 15th I. E. Melhus Graduate Student Symposium - From Local to Global: New Developments in Disease Risk Prediction and Crop Loss Assessment |
Understanding antibiotic resistance in Erwinia amylovora: impacts on disease management and epiphytic bacterial populations in apple orchards
K. A. BEKOSCKE (1), K. D. Cox (1). (1) Cornell University, Geneva, NY, U.S.A.
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A three-pronged approach to late blight management; Host resistance, diagnostics, and understanding pathogen diversity.
Z. R. HANSEN (1), C. D. Smart (2). (1) Cornell University, Ithaca, NY, U.S.A.; (2) Cornell University, Geneva, NY, U.S.A.
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Epidemiological concepts and methods to predict the effects of plant morphology and partial resistance components on sunflower black stem epidemics.
A. A. SCHWANCK (1), S. Savary (1), L. Willocquet (1). (1) Inst National de la Recherche Agronomique, Toulouse, France
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Characterization and distribution of fungi associated with needle defoliation of eastern white pine (Pinus strobus).
S. A. WYKA (1), K. D. Broders (2), I. Munck (3). (1) University of New Hampshire, Dover, NH, U.S.A.; (2) University of New Hampshire, Durham, NH, U.S.A.; (3) USDA Forest Service, Durham, NH, U.S.A.
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| Advances in Gene Silencing |
A novel chemopreventive strategy using tumor suppressor microRNAs produced in edible plants.
V. VANCE (1), S. Mlotshwa (1), G. J. Pruss (1), J. L. MacArthur (1), C. Davis (1), L. Hofseth (1), M. M. Pena (1). (1) University of South Carolina, Columbia, SC, U.S.A.
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| Aflatoxins |
Predisposition of maize and groundnut to aflatoxin contamination in Zambia
P. KACHAPULULA (1), R. Bandyopadhyay (2), J. Akello (3), M. Mukanga (4), P. J. Cotty (5). (1) Univ of Arizona, Tucson, AZ, U.S.A.; (2) International Institute of Tropical Agriculture, Ibadan, Nigeria; (3) International Institute of Tropical Agriculture, Lusaka, Zambia; (4) Zambia Agriculture Research Institute, Lusaka, Zambia; (5) UNIVERSITY O
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The fate of aflatoxins associated with contaminated crops in soil
L. R. L. ARONE (1), R. Jaime (2), R. Ranajit Bandyopadhyay (3), P. J. Cotty (4). (1) University of Arizona, Tucson, AZ, U.S.A.; (2) School of Plant Sciences, University of Arizona, Tucson, AZ, U.S.A.; (3) International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria; (4) Agricultural Research Service, USDA / School of Plant
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Genetic diversity of L-strain isolates of Aspergillus flavus of potential use for aflatoxin biocontrol in sub-Saharan Africa
M. S. ISLAM (1), K. A. Callicott (1), J. Atehnkeng (2), J. Augusto (3), S. Bonkoungou (4), D. Agbetiameh (5), P. M. Diedhiou (6), H. Daudi (7), M. Mukanga (8), R. Bandyopadhyay (2), P. J. Cotty (1). (1) USDA ARS, School of Plant Sciences, The University of Arizona, Tucson, AZ, U.S.A.; (2) International Institute of Tropical Agriculture, Ibadan, Nigeria; (3) International Institute of Tropical Agriculture-Mozambique, Nampula, Mozambique; (4) Institut
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Influences of temperature and host on atoxigenic Aspergillus flavus isolates
P. FALKENBERG (1), P. J. Cotty (1). (1) United States Department of Agriculture - ARS, Tucson, AZ, U.S.A.
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| Agents for Biological Control |
Piriformospora indica a possible biological control agent
M. RABIEY (1), M. W. Shaw (1). (1) University of Reading, Reading, United Kingdom
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Control efficacy of an extract of cultured Xylogone ganodermophthora on powdery mildew caused by Podosphaera xanthii on watermelon in Korea
H. J. KANG (1), Y. Kim (1), T. Kim (1), C. U. Han (1), T. k. Jeong (1), S. Y. Nam (2). (1) Watermelon Research Institute CBARES, Eumseong-gun Chungcheongbuk-do, Korea; (2) Watermelon Research Institute CBARES, Eumseong-gun Chungcheongbuk-do, South Korea
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Optimization of Bacillus amyloliquefaciens BAC03 Application in Controlling Streptomyces scabies
H. JIANG (1), Q. Meng (2), J. Hao (3). (1) Univ of Maine, Orono, ME, U.S.A.; (2) Univ of Maine, Spencer, IA, U.S.A.; (3) Univ of Maine, orono, ME, U.S.A.
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Bacillus spp. evaluation to control anthracnose infection on Andean lupin seed (Lupinus mutabilis Sweet)
V. d. R. YÁNEZ-MENDIZÁBAL (1), C. E. Falconí (2), A. C. Grijalva (1). (1) Universidad de las Américas, Quito, Ecuador; (2) Universidad de las Fuerzas Armadas -ESPE, Quito, Ecuador
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| APS-CSPP Joint Symposium on Plant Pathology and Disease Control |
The resistance mechanisms of Fusarium graminearum to fungicides
Z. MA (1). (1) Zhejiang University, Hangzhou, China
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The plant Mediator co-activator complex as an integrative hub for transcriptional regulation of jasmonate-signaled plant immunity
C. LI (1). (1) Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
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Aflatoxin production and environmental oxidative stress in Aspergillus flavus: Implications for host resistance
J. C. FOUNTAIN (1), L. Yang (1), P. Khera (2), R. C. Kemerait (1), R. D. Lee (1), B. T. Scully (3), R. K. Varshney (2), B. Guo (4). (1) University of Georgia, Tifton, GA, U.S.A.; (2) International Crop Research Institute for the Semi Arid Tropics, Hyderabad, India; (3) USDA-ARS, Fort Pierce, FL, U.S.A.; (4) USDA-ARS, Tifton, GA, U.S.A.
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Identification of disease resistance genes for enhancement of existing potato cultivars
D. HALTERMAN (1). (1) USDA/ARS Vegetable Crops Research Unit, Madison, WI, U.S.A.
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Progresses on pathogenesis and control of the rice false smut pathogen Ustilaginoidea virens.
W. SUN (1), A. Fang (1), Y. Han (1), K. Zhang (1), Y. Zhang (1), N. Zhang (1), M. Wang (1). (1) China Agricultural University, Beijing, China
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| Bacterial Biology and Host Interactions |
Comparative transcriptomic analysis of Burkholderia glumae reveals the important role of tepR gene in regulating a multitude of cellular processes
J. PENG (1), J. H. Ham (1), S. Osti (1), I. K. Barphagha (1). (1) Louisiana State University, Baton Rouge, LA, U.S.A.
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Protein expression profiling of Rathayibacter toxicus using mass spectrometry
C. M. FENNESSEY (1), J. Blanc (1), A. E. Sechler (1), J. G. King (1), M. McMahon (1), W. Garrett (2), D. G. Luster (1), W. L. Schneider (1). (1) USDA ARS, Frederick, MD, U.S.A.; (2) USDA ARS, Beltsville, MD, U.S.A.
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| Bacterial Pathogenicity |
The PdeR-TriP interaction mediates a novel c-di-GMP signaling pathway to regulate virulence of Xanthomonas oryzae pv. oryzae
H. Li (1), F. Tian (1), D. Xue (1), H. Chen (1), X. Yuan (2), C. H. Yang (2), C. HE (1). (1) Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China; (2) Department of Biological Sciences, University of Wisconsin-Milwaukee, Milwaukee, WI, U.S.A.
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A Thief in the Blight: What Can Erwinia amylovora Bacteria Steal from Their Host?
L. RAMOS (1), J. Sinn (1), B. Lehman (2), E. Pfeufer (1), K. Peter (3), T. McNellis (1). (1) The Pennsylvania State University, State College, PA, U.S.A.; (2) Penn State University - Fruit Research Extension Center, Biglerville, PA, U.S.A.; (3) The Pennsylvania State University / Penn State University - Fruit Research Extension Center, State
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| Bacterial Virulence in the Xylem |
Systemic movement by Clavibacter michiganensis subsp. michiganensis in the tomato vasculature
M. A. TANCOS (1), C. D. Smart (2). (1) Cornell Univ, Geneva, NY, U.S.A.; (2) Cornell University NYSAES, Geneva, NY, U.S.A.
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| Banana Production at the Crossroads: Impact of Fusarium oxysporum f.sp. cubense TR4 |
Detection, Identification and the Epidemiology of Fusarium oxysporum f.sp. Cubense, Tropical Race 4.
G. H. KEMA (1), N. I. Ordonez (1), M. Salacinas (1), C. Schoen (1), O. Mendes (1), C. Waalwijk (1), M. F. Seidl (1), A. Drenth (2). (1) Wageningen University and Research Center, Wageningen, Netherlands; (2) The University of Queensland, Brisbane, Australia
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The Spread and Impact of Fusarium oxysporum f.sp. cubense, Tropical Race 4 on Global Banana Production
A. B. MOLINA (1), A. Viljoen (2), F. Dusunceli (3). (1) Bioversity International, Los Banos, Philippines; (2) Stellenbosch University, Stellenbosch, South Africa; (3) Food and Agriculture Organization (FAO) of the UNited Nations, Rome, Italy
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Tropical race 4 of Panama disease threatens export and smallholder production of banana
R. C. PLOETZ (1). (1) University of Florida, Homestead, FL, U.S.A.
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| Biological Control of Plant Diseases |
Biological Control of Multiple Plant Diseases and Plant Growth Promotion in the Presence of Pathogens by Plant Growth-Promoting Rhizobacteria (PGPR)
K. LIU (1), J. W. Kloepper (1), J. A. McInroy (1), C. H. Hu (1). (1) Auburn University, Auburn, AL, U.S.A.
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Distribution of endophytic bacteria-Bacillus amyloliquefaciens SPX1 in tomato tissues and its potential on control of tomato bacterial wilt
H. R. PAN (1), Y. J. Chen (2), W. H. Chung (1). (1) National Chung Hsing University, Taichung, Taiwan; (2) Kaohsiung District Agricultural Research and Extension Station, Pingtung, Taiwan
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Antifungal and antioomycete properties of California Collimonas isolates and their use in synergy-based biocontrol of Fusarium wilt of tomato
H. K. DOAN (1), N. Maharaj (1), E. Miyao (2), R. M. Davis (3), J. H. Leveau (3). (1) Univ of California, Davis, CA, U.S.A.; (2) University of California, Woodland, CA, U.S.A.; (3) University of California, Davis, CA, U.S.A.
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Suppression of root diseases and enhancement of VA mycorrhizal population in sunflower and tomato by the mycorrhizospheric fluorescent Pseudomonas
S. EHTESHAMUL-HAQUE (1), S. S. Bokhari (2), S. A. Ali (3), V. Sultana (4), J. Ara (5). (1) Department of Botany, University of Karachi, Karachi, Pakistan; (2) Department of Botany, University of Karachi, Karachi, Pakistan; (3) HEJ Research Institute of Chemistry, University of Karachi, Karachi, Pakistan; (4) Department of Biochemistry, Univ
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| Biotrophic Virulence Discovery |
New approaches to phenotyping early time points of wheat stem rust infection process on barley
J. D. ZURN (1), S. Dugyala (1), P. Borowicz (1), R. Brueggeman (1), M. Acevedo (1). (1) North Dakota State University, Fargo, ND, U.S.A.
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Apoplastic targeting of plant defensin MtDef4 confers strong resistance to leaf rust pathogen Puccinia triticina in transgenic wheat
J. KAUR (1), J. Fellers (2), T. Clemente (3), D. Shah (1). (1) Donald Danforth Plant Science Center, Saint Louis, MO, U.S.A.; (2) Dept. of Plant Pathology, Kansas State University, Manhattan, KS, U.S.A.; (3) Center for Biotechnology, University of Nebraska-Lincoln, Lincoln, NE, U.S.A.
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Discovery of effectors in the hop downy mildew pathogen Pseudoperonospora humuli
L. M. CANO (1), S. Withers (1), D. Gent (2), N. Noel (1), L. M. Quesada-Ocampo (1). (1) North Carolina State University, Raleigh, NC, U.S.A.; (2) Oregon State University, Corvallis, OR, U.S.A.
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Development of SP-SNP markers and use them to characterize populations of the stripe rust pathogen and identify markers associated to avirulence genes
C. XIA (1), M. Wang (1), A. Wan (1), X. Chen (2). (1) Washington State University, Pullman, WA, U.S.A.; (2) Washington State University; USDA-ARS, Wheat Genetics, Quality, Physiology, and Disease Research Unit, Pullman, WA, U.S.A.
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| Buzzing the Tower: Unmanned Aerial Vehicles (UAV)/Drones for Applications in Plant Pathology |
A success story from 20 years of use of UAV (Yamaha RMAX) for crop dusting in Japan and experimentation in California grape production.
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| Careers in Industry |
Exploring some of the myths of working in industry.
P. J. KUHN (1). (1) Syngenta Crop Protection, Greensboro, NC, U.S.A.
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Plant Pathology Career Opportunities in the Seed Industry
S. A. ROSENBERGER (1). (1) Monsanto, Woodland, CA, U.S.A.
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A plant pathologist’s role in the discovery and development of disease control products.
R. BOUNDS (1). (1) Syngenta Crop Protection, Visalia, CA, U.S.A.
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The Role of Private Practitioners in Providing Research or Support For Industry.
C. M. BECKER (1). (1) BAAR Scientific LLC, Romulus, NY, U.S.A.
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| Chemical Management of Plant Diseases |
Dormant treatments with chlorothalonil-oil delay the production of primary inoculum of almond scab caused by Fusicladium carpophilum
J. Adaskaveg (1), H. FORSTER (1). (1) University of California, Riverside, CA, U.S.A.
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Contribution of mid-season cover sprays to management of peach brown rot at harvest
N. LALANCETTE (1), J. Gager (1), K. A. McFarland (1). (1) Rutgers University, Bridgeton, NJ, U.S.A.
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The effect of adjuvants on apple disease management.
C. P. ABBOTT (1), J. L. Beckerman (1). (1) Purdue University, West Lafayette, IN, U.S.A.
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| Climate Cycles, Climate Forecasting, and Disease Cycles Spanning Multiple Years |
Weather Prediction from Climatology
G. H. TAYLOR (1). (1) Applied Climate Services, Corvallis, OR, U.S.A.
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Use of climate patterns in prediction of Fusarium head blight epidemics
A. B. KRISS (1), P. A. Paul (2), L. V. Madden (2). (1) Syngenta, Greensboro, NC, U.S.A.; (2) The Ohio State University, Wooster, OH, U.S.A.
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| Contributions from Population Genomics to Plant Pathology |
The changing landscape of sequencing technologies
I. GRIGORIEV (1). (1) US DOE Joint Genome Institute, Walnut Creek, CA, U.S.A.
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The making of a tree pathogen: horizontal gene transfers, host jumps and speciation
R. C. HAMELIN (1), N. Feau (2), B. D. Dhillon (2), M. L. Sakalidis (2). (1) Natural Resources Canada, Vancouver, BC, Canada; (2) University of British Columbia, Vancouver, BC, Canada
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Recombination hot spots in the genome of the wheat pathogen Zymoseptoria tritici
E. H. STUKENBROCK (1), J. Grandaubert (1), J. Y. Dutheil (1). (1) Max Planck Institute for Evolutionary Biology, Ploen, Germany
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Pitfalls and potential of Population genomics
J. F. Tabima (1), B. J. Knaus (1), N. J. GRUNWALD (2). (1) Oregon State University, Corvallis, OR, U.S.A.; (2) USDA ARS, Corvallis, OR, U.S.A.
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| Cultural Management of Plant Diseases |
Anaerobic soil disinfestation disease control performance in strawberry as influenced by environmental variables
S. S. HEWAVITHARANA (1), C. Shennan (2), J. Muramoto (2), M. Mazzola (3). (1) Washington State University, Wenatchee, WA, U.S.A.; (2) University of California-Santa Cruz, Santa Cruz, CA, U.S.A.; (3) USDA ARS, Wenatchee, WA, U.S.A.
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Postharvest quarantine treatments for Diaphorina citri on infested curry leaves
D. ANCO (1), G. Poole (2), T. Gottwald (3). (1) NCSU/USDA ARS, Fort Pierce, FL, U.S.A.; (2) UF, Fort Pierce, FL, U.S.A.; (3) USDA ARS, Fort Pierce, FL, U.S.A.
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Gamma irradiation for management of post-harvest fruit rot of papaya caused by Phytophthora palmivora
M. A. DRAGICH (1), J. Uchida (1), L. Wong (2), C. Kadooka (1), K. Kamiya (3). (1) University of Hawaii at Manoa, Honolulu, HI, U.S.A.; (2) Pa'ina Hawaii LLC, Kunia, HI, U.S.A.; (3) Kamiya Gold Inc., Laie, HI, U.S.A.
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Development of a sanitizing agent for use on field equipment to reduce the spread of olive knot in mechanized olive production in California
K. NGUYEN (1), H. Forster (1), J. Adaskaveg (1). (1) Department of Plant Pathology and Microbiology, University of California Riverside, Riverside, CA, U.S.A.
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Application of anaerobic soil disinfestation in Florida; a brief review
E. N. ROSSKOPF (1), C. Shennan (2), N. Kokalis-Burelle (3), D. M. Butler (4), P. Serrano-Perez (5), M. d. Rodríguez-Molina (5), J. C. Hong (6). (1) USDA ARS, Ft Pierce, FL, U.S.A.; (2) University of California-Santa Cruz, Santa Cruz, CA, U.S.A.; (3) USDA, ARS, Fort Pierce, FL, U.S.A.; (4) University of Tennessee, Knoxville, TN, U.S.A.; (5) Centro de Investigaciones Científicas y Tecnológicas de E
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| Disease Management |
Application of bioplastic materials in the biocontrol of agricultural pests
H. K. ABBAS (1), C. Accinelli (2). (1) USDA ARS BCPRU, Stoneville, MS, U.S.A.; (2) University of Bologna, Dept of Agriculutural Sciences, Bologna, Italy
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Effects of Clariva seed treatment on soybean cyst nematode (Heterodera glycines) population densities and soybean yields in Iowa in 2014
G. L. TYLKA (1), C. C. Marett (1), A. E. Robertson (1), M. Serrano (1), T. A. Mueller (2). (1) Iowa State University, Ames, IA, U.S.A.; (2) Iowa Soybean Association, Ankeny, IA, U.S.A.
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A smartphone app for plant disease and fungicide resistance management
G. SCHNABEL (1), M. J. Hu (1), G. Edison (1), R. Pargas (1). (1) Clemson University, Clemson, SC, U.S.A.
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The role of pest control advisors in managing grapevine trunk diseases: a survey of perceptions of practice efficacy and trends in recommendations
K. BAUMGARTNER (1), D. Doll (2), V. Hillis (3), J. Kaplan (4), M. Lubell (3). (1) USDA-Agricultural Research Service, Davis, CA, U.S.A.; (2) University of California Cooperative Extension, Merced, CA, U.S.A.; (3) Department of Environmental Science and Policy, University of California, Davis, CA, U.S.A.; (4) Department of Economics
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Optimizing late blight forecasts for improved late blight management
I. M. SMALL (1), L. Joseph (1), Y. Wu (1), W. E. Fry (1). (1) Cornell University, Ithaca, NY, U.S.A.
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| Emerging Downy Mildew Diseases: Where Have We Been, Where Are We Going? |
Predicting epidemics: Risk assessment and role of host susceptibility in cucurbit downy mildew outbreaks
P. OJIAMBO (1). (1) North Carolina State University, Raleigh, NC, U.S.A.
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| Emerging Viruses |
A new virus isolated from wild raspberry exhibiting leaf curl symptoms
A. DIAZ-LARA (1), J. Dittrich (2), K. E. Keller (2), R. R. Martin (3). (1) Oregon State University, Corvallis, OR, U.S.A.; (2) USDA-ARS Horticultural Crops Research Unit, Corvallis, OR, U.S.A.; (3) USDA ARS, Corvallis, OR, U.S.A.
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Emerging tomato viruses in Florida
I. E. Badillo-Vargas (1), C. A. Baker (2), G. Frantz (3), H. C. Mellinger (3), J. E. Funderburk (1), S. ADKINS (4). (1) UF-NFREC, Quincy, FL, U.S.A.; (2) FDACS-DPI, Gainesville, FL, U.S.A.; (3) Glades Crop Care, Inc., Jupiter, FL, U.S.A.; (4) USDA ARS USHRL, Fort Pierce, FL, U.S.A.
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Detection of a New Luteovirus in Imported Nectarine Trees: A Case Study to Propose Adoption of Metagenomics in Post-entry Quarantine
S. BAG (1), M. Al Rwahnih (1), A. Li (2), A. Gonzalez (2), A. Rowhani (1), J. K. Uyemoto (2), M. R. Sudarshana (2). (1) University of California-Davis, Davis, CA, U.S.A.; (2) USDA-ARS, Davis, CA, U.S.A.
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| Engagement in Plant Pathology: You Can’t Start Too Early |
Kids and plants: The Summer Science Camp for Elementary School Students
C. SMART (1), S. Reiners (1). (1) Cornell University, Geneva, NY, U.S.A.
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Planting Science: a Mentoring Program in Plant Sciences to Capture the Interest of Middle and High School Students
C. T. ADAMS (1). (1) Botanical Society of America, St. Louis, MO, U.S.A.
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Magical Mushrooms and Mischievous Molds - The Gateway to a Lifelong Fascination with Plant Pathology
G. HUDLER (1). (1) Cornell University, Ithaca, NY, U.S.A.
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Recruiting for the profession of plant pathology through internships.
D. M. GADOURY (1). (1) Cornell University, Geneva, NY, U.S.A.
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Reflections on an undergraduate research experience: How I was hooked.
W. WELDON (1). (1) Cornell University, Geneva, NY, U.S.A.
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| Epidemiology and Disease Management |
Spatial pattern analysis of the incidence of strawberry angular leaf spot under outdoor growing conditions in California
C. GIGOT (1), N. McRoberts (1), W. Turechek (2). (1) Plant Pathology Department, University of California, Davis, CA, U.S.A.; (2) Horticulture Research Laboratory, USDA-ARS, Fort Pierce, FL, U.S.A.
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Improved residential citrus host mapping and its potential influence on Asian Citrus Psyllid (ACP) population
W. LUO (1), T. Gottwald (2), G. McCollum (3). (1) USDA ARS, Ft Pierce, FL, U.S.A.; (2) U.S. Horticultural Research Laboratory, USDA ARS, Fort Pierce, FL, U.S.A.; (3) USDA ARS, Fort Pierce, FL, U.S.A.
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The population dynamics of coexistence between Cochliobolus sativus and Fusarium pseudograminearum in wheat
E. GUNNINK TROTH (1), J. Johnston (1), A. Dyer (1). (1) Montana State University, Bozeman, MT, U.S.A.
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Epidemiological Conditions Promoting Rhizopus Soft Rot and Fusarium Root Rot of Sweetpotato
A. C. SCRUGGS (1), L. M. Quesada-Ocampo (1). (1) North Carolina State University, Raleigh, NC, U.S.A.
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Epidemiology and management of bacterial spot of almond, caused by Xanthomonas arboricola pv. pruni
S. HAACK (1), L. Wade (2), H. Forster (1), J. E. Adaskaveg (1). (1) University of California, Riverside, Riverside, CA, U.S.A.; (2) Arysta LifeScience, Cary, NC, U.S.A.
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| Etiology of Diseases Caused by Fungi and Oomycetes |
The interesting case of soybean seedborne Fusarium spp.: from identity to pathogenicity.
R. Pedrozo (1), J. J. Fenoglio (1), C. R. Little (1), R. PEDROZO (1). (1) Kansas State University, Manhattan, KS, U.S.A.
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Investigating Alternaria species composition and role in the potato early blight complex in Wisconsin
S. DING (1), K. Meinholz (1), A. J. Gevens (1). (1) UW-Madison, Madison, WI, U.S.A.
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| Fungal and Fungal-Like Pathogenicity |
Genomics and effector characterization of the novel sugar beet pathogen Fusarium secorum
Z. BIAN (1), R. De Jonge (2), G. Secor (1), M. Bolton (3). (1) North Dakota State University, Fargo, ND, U.S.A.; (2) Ghent University, Ghent, Belgium; (3) USDA ARS, Fargo, ND, U.S.A.
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Identification of a Toxic Protein, FvTox6, Produced by Fusarium virguliforme that Causes Foliar Symptoms Typical of Soybean Sudden Death Syndrome
H. X. CHANG (1), L. L. Domier (2), O. Radwan (3), C. Yendrek (4), M. Hudson (3), G. L. Hartman (5). (1) Univ of Illinois, Urbana, IL, U.S.A.; (2) USDA–Agricultural Research Service, University of Illinois, Urbna, IL, U.S.A.; (3) University of Illinois, Urbana, IL, U.S.A.; (4) Institute for Genomic Biology, Urbana, IL, U.S.A.; (5) USDA–Agricultural Resea
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The role of Avr4 in Cercospora kikuchii virulence and cercosporin biosynthesis.
J. S. REZENDE (1), Z. Y. Chen (1). (1) Louisiana State University Agricultural Center, Baton Rouge, LA, U.S.A.
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Adaptation to host resistance genes by Phytophthora nicotianae
K. L. MCCORKLE (1), R. S. Lewis (1), H. D. Shew (1). (1) North Carolina State University, Raleigh, NC, U.S.A.
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| Fungal Diversity and Population Genetics |
Population genetic analyses of Fusarium virguliforme reveal the population structure of F. virguliforme isolates from North and South America
J. WANG (1), J. L. Jacobs (1), M. I. Chilvers (1). (1) Michigan State University, East Lansing, MI, U.S.A.
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Population Diversity of Gaeumannomyces graminis var. graminis from St. Augustinegrass in Texas
M. Zidek (1), Y. K. JO (1). (1) Texas A&M University, College Station, TX, U.S.A.
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A population analysis of Puccinia emaculata using single spores in Oklahoma and Virginia
J. C. PAVLU (1), G. Orquera (2), O. Arias (3), A. Moya (4), S. M. Marek (5), C. Garzón (5). (1) Oklahoma State University, Perkins, OK, U.S.A.; (2) Oklahoma State University, Stillwater , OK, U.S.A.; (3) Escuela Politécnica del Ejército, Sangolquí, Ecuador; (4) PUCE - Pontificia Universidad Católica del Ecuador, Quito, Ecuador; (5) Oklahoma Stat
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Lonely peninsula: the mating-type and population of Phyllosticta citricarpa in Florida.
K. ZHANG (1), N. Y. Wang (2), M. M. Dewdney (2), . A. Rollins (1). (1) University of Florida, Gainesville, FL, U.S.A.; (2) University of Florida, Lake Alfred, FL, U.S.A.
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| Fungal Epidemiology |
Three clonal lineages of the cocoa pathogen Phytophthora megakarya in Nigeria
O. O. Kolawole (1), E. M. GOSS (2). (1) University of Ibadan and Cocoa Research Institute of Nigeria, Ibadan, Nigeria; (2) University of Florida, Gainesville, FL, U.S.A.
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Host range and phylogenetic diversity of Corynespora cassiicola, cause of target spot of cotton in the southeastern USA.
L. SUMABAT (1), R. Kemerait (2), M. T. Brewer (1). (1) University of Georgia, Athens, GA, U.S.A.; (2) University of Georgia, Tifton, GA, U.S.A.
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Fusarium graminearum mycotoxin accumulation in wheat straw after anthesis in wheat cultivars ranging in susceptibility to Fusarium Head Blight
K. M. BISSONNETTE (1), K. A. Ames (1), Y. Dong (2), F. L. Kolb (1), C. A. Bradley (3). (1) University of Illinois, Urbana, IL, U.S.A.; (2) University of Minnesota, St. Paul, MN, U.S.A.; (3) Univ of Illinois, Urbana, IL, U.S.A.
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| Fungal Pathogen Genetics and Biology |
Protein Signatures from Wild Type and Reduced Genomic Compliments of Rhizoctonia solani Isolates.
B. Narayanaswamy (1), J. BIRCH (1), S. Bharathan (1), M. Chey (1), R. Connacher (1), B. Michalides (1), A. Long (1), M. Cubeta (2). (1) Indiana Univ of PA, Indiana, PA, U.S.A.; (2) North Carolina State Univ, Raleigh, NC, U.S.A.
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Red light stimulates apothecial development of Monilinia vaccinii-corymbosi
J. FLORENCE (1), J. W. Pscheidt (1). (1) Oregon State University, Corvallis, OR, U.S.A.
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Validation of transcript SSR markers in Pseudoperonospora cubensis from commercial and non-commercial cucurbits
E. C. WALLACE (1), L. M. Quesada-Ocampo (1). (1) North Carolina State University, Raleigh, NC, U.S.A.
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| Fungal Pathogens |
Infection process of Villosiclava virens on rice
J. H. Song (1), C. LUO (1). (1) Huazhong Agricultural University, Wuhan, China
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Not just Botrytis: multiple fungal pathogens cause leaf spots on peony in the United States
A. R. GARFINKEL (1), G. A. Chastagner (1). (1) Washington State University, Puyallup, WA, U.S.A.
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Botrytis cinerea grows symptomlessly in host plants: how?
C. J. EMMANUEL (1), J. A. van Kan (2), M. W. Shaw (3). (1) Department of Botany, University of Jaffna, Jaffna, Sri Lanka; (2) Laboratory of Phytopathology, Wageningen University, Wageningen, Netherlands; (3) School of Agriculture, Policy and Development, University of Reading, Reading, United Kingdom
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| Fungicide Resistance-Session 1 |
Pathogenicity and virulence of Zymoseptoria tritici with mutations conferring resistance to multiple fungicide modes of action
C. AVILA-ADAME (1), P. Gandra (2), J. Cao (2), R. Ponnala (2), T. Slanec (2). (1) Dow AgroSciences LLC, Indianapolis, IN, U.S.A.; (2) Dow AgroSciences, Indianapolis, IN, U.S.A.
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Fungicide resistance profiles of blossom-derived Botrytis isolates from strawberry fields
M. J. HU (1), D. Fernández-Ortuño (2), P. K. Bryson (1), G. Schnabel (1). (1) School of Agricultural, Forest & Environmental Sciences, Clemson University, Clemson, SC, U.S.A.; (2) Instituto de Hortofruticultura Subtropical y Mediterránea "La Mayora"-Universidad de Málaga-Consejo Superior de Investigaciones Científicas (IHSM-UMA
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Fitness and Competitive Ability of Alternaria alternata Field Isolates with Resistance to SDHI, QoI, and MBC Fungicides
Z. FAN (1), G. Schnabel (2). (1) Clemson Unversity, Central, SC, U.S.A.; (2) Clemson Unversity, Clemson, SC, U.S.A.
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| Fungicide Resistance-Session 2 |
Resistance in Strawberry Isolates of Colletotrichum acutatum from Florida to Quinone-outside Inhibitor Fungicides
B. B. FORCELINI (1), N. A. Peres (2), A. Amiri (2), T. E. Seijo (2). (1) Univ of Florida, Wimauma, FL, U.S.A.; (2) University of Florida, Wimauma, FL, U.S.A.
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Fitness of tetraconazole-resistant isolates of Cercospora beticola after exposure to different temperature regimes
M. F. R. KHAN (1), S. Arabiat (2). (1) North Dakota State Univ & Univ of MN, Fargo, ND, U.S.A.; (2) North Dakota State University, Fargo, ND, U.S.A.
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Baseline Sensitivity to Fluopyram and Fungicide Resistance Phenotypes of Botrytis cinerea Populations from Table Grapes in California
S. SAITO (1), M. J. Themis (2), C. L. Xiao (3). (1) USDA ARS, Parlier, CA, U.S.A.; (2) University of California-Davis, Kearney Agricultural Center, Parlier, CA, U.S.A.; (3) USDA Agricultural Research Service, Parlier, CA, U.S.A.
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| Genetic Diversity of Viruses |
A novel strain of Potato virus Y from tomato
M. CHIKH-ALI (1), D. Vander Pol (1), O. V. Nikolaeva (1), M. J. Melzer (2), A. V. Karasev (3). (1) University of Idaho, Moscow, ID, U.S.A.; (2) University of Hawaii, Honolulu, HI, U.S.A.; (3) Univ of Idaho, Moscow, ID, U.S.A.
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Survey of virus diseases of taro, Colocasia esculenta, in American Samoa
N. ATIBALENTJA (1), E. M. Ilaoa (1), S. T. Fiafia (1), I. B. Gurr (1). (1) American Samoa Community College, Division of Community and Natural Resources, Pago Pago, U.S.A.
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Sequence analysis of Grapevine leafroll-associated virus 1 from Washington vineyards
B. DONDA (1), N. Rayapati (1). (1) Washington State University, Prosser, WA, U.S.A.
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| Host Resistance |
Effect of waxy (low amylose) on fungal infection of sorghum grain
D. L. FUNNELL-HARRIS (1), S. E. Sattler (2), P. M. O'Neill (2), K. M. Eskridge (3). (1) USDA ARS, Lincoln, NE, U.S.A.; (2) USDA-ARS; Grain, Forage and Bioenergy Research Unit, Lincoln, NE, U.S.A.; (3) Department of Statistics; University of Nebraska, Lincoln, NE, U.S.A.
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Evidence for independent evolution of resistance to AvrPto and AvrPtoB from the wild tomato species Solanum chmielewskii
C. M. KRAUS (1), K. R. Munkvold (2), G. B. Martin (3). (1) Department of Plant Pathology and Plant-Microbe Biology, Cornell University, Ithaca, NY, U.S.A.; (2) Boyce Thompson Institute for Plant Research, Ithaca, NY, U.S.A.; (3) Boyce Thompson Institute for Plant Research, Department of Plant Pathology and Pl
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Epistatic interaction among rust resistance genes in common bean
M. PASTOR-CORRALES (1), G. Valentini (2), Q. Song (3), P. Cregan (3). (1) USDA ARS, Beltsville, MD, U.S.A.; (2) Universidade Estadual de Maringá, Maringa, Brazil; (3) USDA/ARS, Beltsville, MD, U.S.A.
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Identification of genomic variants of rice associated with disease resistance to sheath blight and bacterial panicle blight through NGS sequencing
B. K. Shrestha (1), D. H. Oh (2), M. Dassanayake (3), J. H. HAM (1). (1) Louisiana State Univ Agric Ctr, Baton Rouge, LA, U.S.A.; (2) Louisiana State University, Baton Rouge, LA, U.S.A.; (3) Louisiana State University, Baton Rouge , LA, U.S.A.
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Effects of the Lr34 and Lr46 rust-resistance genes on different diseases of wheat
A. BANSAL (1), J. Brown (1). (1) John Innes Centre, Norwich, United Kingdom
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| Host-Pathogen Interactions |
A Fusarium fujikuroi population isolated from grapes reveals the need to re-evaluate the species' fumonisin production potential
S. L. BOLTON (1), P. M. Brannen (1), A. E. Glenn (2). (1) Univ of Georgia, Athens, GA, U.S.A.; (2) USDA - ARS -TMRU, Athens, GA, U.S.A.
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Variability in virulence as determined by honeydew production by strains of Claviceps purpurea (Fr.) Tul. on eight genotypes of wheat.
J. MENZIES (1), A. Gordon (2), D. O'Sullivan (3). (1) Agriculture and Agri-Food Canada, Morden, MB, Canada; (2) National Institute of Agricultural Botany, Cambridge, United Kingdom; (3) University of Reading, Reading, United Kingdom
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Endophyte community composition is associated with dieback occurrence in an invasive tree
T. V. STEINRUCKEN (1), A. Bissett (2), J. R. Powell (1), A. K. H. Raghavendra (3), R. D. van Klinken (3). (1) Hawkesbury Institute for the Environment, University of Western Sydney, Penrith NSW, Australia; (2) CSIRO Agriculture Flagship, Canberra, Australia; (3) CSIRO Biosecurity Flagship, Brisbane, Australia
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Red Chili Pepper: Flavorant or health risk
P. SINGH (1), M. S. Islam (2), P. J. Cotty (1). (1) University of Arizona, Tucson, AZ, U.S.A.; (2) ARS, USDA, Tucson, AZ, U.S.A.
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| Impact of Cultural Management on Disease |
Dead but alive –crop and weed residues aid survival of new pathogenic Diaporthe/Phomopsis species on soybean, sunflower, other hosts in Australia.
S. M. THOMPSON (1), Y. P. Tan (2), R. G. Shivas (2), S. M. Neate (3), E. A. Aitken (4). (1) University of Southern Queensland, Australia, Toowoomba Qld , Australia; (2) Department of Agriculture, Fisheries and Forestry, Brisbane, Australia; (3) University of Southern Queensland, Toowoomba Qld, Australia; (4) University of Queensland, Brisban
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Impact of cover crop termination methods on diseases of wheat and lentil
N. B. RANABHAT (1), M. E. BURROWS (1), Z. J. Miller (1), E. A. Lehnhoff (1), F. D. Menalled (1). (1) Montana State University, Bozeman, MT, U.S.A.
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Influence of pruning systems on trunk pathogens and other fungi colonizing grapevine wood
R. TRAVADON (1), P. Lecomte (2), B. Diarra (2), D. P. Lawrence (1), J. Vallance (2), H. Ojeda (3), P. Rey (2), K. Baumgartner (4). (1) Univ of California, Davis, CA, U.S.A.; (2) INRA, UMR 1065 SAVE, Université de Bordeaux, ISVV, Villenave d'Ornon, France; (3) INRA, Unité Expérimentale de Pech Rouge, Gruissan, France; (4) USDA-Agricultural Research Service, Davis, CA, U.S.A.
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Incubation in soil reduces sporulation and risk of epidemic development from leaf disks infested by Phytophthora ramorum
E. K. PETERSON (1), J. . Parke (1), N. J. Grünwald (2). (1) Oregon State University, Corvallis, OR, U.S.A.; (2) USDA-ARS Horticultural Crops Research Laboratory, Corvallis, OR, U.S.A.
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Influence of planting date, seed treatment, and cultivar on plant establishment, sudden death syndrome, and yield of soybean
Y. R. KANDEL (1), K. A. Wise (2), C. A. Bradley (3), A. U. Tenuta (4), L. F. S. Leandro (1), D. S. Mueller (1). (1) Iowa State University, Ames, IA, U.S.A.; (2) Purdue University, West Lafayette, IN, U.S.A.; (3) University of Illinois, Urbana, IL, U.S.A.; (4) Ontario Ministry of Agriculture Food and Rural Affairs, Ridgetown, ON, Canada
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| Impact of Innovative Postharvest Practices on Trade and Food Safety |
Systems approach-based mitigation of postharvest diseases to overcome trade barriers for Washington apples
C. L. XIAO (1). (1) USDA-ARS, SJVASC, Parlier, CA, U.S.A.
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Postharvest processing technologies to improve food safety and quality
B. A. NIEMIRA (1). (1) USDA-ARS Eastern Regional Research Center, Wyndmoor, PA, U.S.A.
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| Impact of Repeat Elements on Genome Evolution and Pathogen Biology |
Repetitive DNA and effectors in the compartmentalized genomes of Fusarium oxysporum species complex
P. Travers (1), Y. Zhang (1), L. J. MA (1). (1) University of Massachusetts Amherst, Amherst, MA, U.S.A.
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Repeats, RIPping and genome evolution in Mycosphaerella graminicola (Zymoseptoria tritici), the cause of septoria tritici blotch of wheat
S. B. GOODWIN (1). (1) USDA-ARS / Purdue University, West Lafayette, IN, U.S.A.
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Effector diversification within compartments of the Leptosphaeria maculans genome
T. ROUXEL (1), M. H. Balesdent (1), J. Grandaubert (1). (1) INRA, Thiverval-Grignon, France
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| Liberibacter-Session 1 |
Report of Candidatus Liberibacter caribbeanus, a new citrus- and psyllid-associated Liberibacter from Colombia, South America
M. L. KEREMANE (1), C. Ramadugu (2), A. Castaneda (3), J. E. Diaz (3), E. A. Peñaranda (3), J. Chen (4), Y. P. Duan (5), S. E. Halbert (6), R. F. Lee (7). (1) USDA ARS - Citrus Germplasm Repository, Riverside, CA, U.S.A.; (2) University of California Riverside, Riverside, CA, U.S.A.; (3) Instituto Colombiano Agropecuario, Bogota, Colombia; (4) USDA ARS, Parlier, CA, U.S.A.; (5) United States Horticultural R
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Differential response of citrus rootstock breeding lines to Huanglongbing-induced root loss
E. G. JOHNSON (1), J. H. Graham (1), J. W. Grosser (1). (1) University of Florida, Lake Alfred, FL, U.S.A.
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| Liberibacter-Session 2 |
Characterization of Sec-translocon dependent extracytoplasmic proteins and essential signal peptidase I of Candidatus Liberibacter asiaticus
S. PRASAD (1), S. Prasad (1), N. Wang (1). (1) University of Florida, Lake Alfred, FL, U.S.A.
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Candidatus Liberibacter asiaticus effector proteins localize in chloroplasts or mitochondria when expressed in plant cells.
M. PITINO (1). (1) USDA ARS, Fort Pierce, FL, U.S.A.
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Citrus root morphological changes caused by Phytophthora spp. and Candidatus Liberibacter spp.
j. WU (1), E. G. Johnson (1), D. Bright (1), K. Gerberich (1), J. H. Graham (1). (1) University of Florida, Lake Alfred, FL, U.S.A.
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| Life Beyond the Plant: Bacterial Wars |
Identification and characacterization of interstrain chemical weapons in the Ralstonia solanacearum species complex.
A. I. HUERTA (1), F. Ailloud (2), C. Allen (3). (1) University of Wisconsin - Madison, Madison, WI, U.S.A.; (2) CIRAD, UMR Peuplements Végétaux et Bioagresseurs en Milieu Tropical, CIRAD-Université de la Réunion, Pôle de Protection des Plantes, Saint Pierre, La Réunion, France; 3ANSES Plant Health Labo
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Biochemical and structural basis of toxicity and immunity in contact-dependent growth inhibition (CDI) systems
D. A. LOW (1), Z. Ruhe (1), C. Hayes (1), S. Koskiniemi (2), C. Goulding (3), S. Poole (1). (1) University of California, Santa Barbara, CA, U.S.A.; (2) Uppsala University, Uppsala, Sweden; (3) University of California, Irvine, CA, U.S.A.
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| Mycotoxins: From Production, Secretion, and Detection to Effects on Plants and Mammals |
Using Immunology and LC-MS/MS to Simultaneously Detect Multiple Mycotoxins in Food and Feed
P. LI (1), Z. Zhang (1), Q. Zhang (1). (1) Oil Crops Research Institute of CAAS, Wuhan, China
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| Nematodes |
Conserved nematode signaling molecules elicit plant defenses and disease resistance
M. MANOHAR (1), P. Manosalva (2), S. H. von Reuss (1), S. Chen (3), A. Koch (4), X. Wang (3), K. H. Kogel (4), P. W. Sternberg (5), V. M. Williamson (6), F. C. Schroeder (1), D. F. Klessig (1). (1) Boyce Thompson Institute for Plant Research, Cornell University, Ithaca, NY, U.S.A.; (2) University of California, Riverside, Riverside, CA, U.S.A.; (3) Cornell University, Ithaca, NY, U.S.A.; (4) Justus Liebig University, Giessen, Germany; (5) Califo
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Determining Heterodera glycines HG Types to Improve Soybean Cyst Nematode Management in South Dakota
E. Byamukama (1), K. ACHARYA (1), G. L. Tylka (2). (1) South Dakota State University, Brookings, SD, U.S.A.; (2) Iowa State University, Ames, IA, U.S.A.
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Transcriptome analysis of resistant and susceptible alfalfa cultivars infected with root-knot nematode Meloidogyne incognita
O. A. Postnikova (1), M. Hult (2), J. Shao (1), A. Skantar (2), L. G. NEMCHINOV (1). (1) USDA ARS MPPL, Beltsville, MD, U.S.A.; (2) USDA ARS Nematology Lab, Beltsville, MD, U.S.A.
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Interaction of nematicdes and biostimulants for nematode management on cucumbers and carrots
B. WESTERDAHL (1). (1) University of California, Davis, CA, U.S.A.
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| Nematology: From Microbiomes to Management |
Soil microbiome potential for management of phytoparasitic nematodes
A. CIANCIO (1), M. Colagiero (2), I. Pentimone (2), L. Rosso (2). (1) CNR, Istituto per la Protezione Sostenibile delle Piante - IPSP, Bari, Italy; (2) CNR IPSP, Bari, Italy
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Multitrophic interactions and the chemical ecology of nematodes
J. G. ALI (1). (1) Michigan State University, Entomology Department, East Lansing, MI, U.S.A.
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Breeding for nematode resistance: new phenotypic tools for a new era
S. COOPER (1), A. Coburn (1), M. Easter (2), J. Yates (1). (1) Monsanto Company, Chesterfield, MO, U.S.A.; (2) Monsanto Company, Chestefield, MO, U.S.A.
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Advances in Science to Meet Real World Crop Production Needs
D. SKLARCZYK (1). (1) Sklarczyk Seed Farm LLC, Johannesburg, MI, U.S.A.
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| New Products & Services |
ARM Trial Management for 2016.
S. GYLLING (1). (1) Gylling Data Management, Inc., Brookings, SD, U.S.A.
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Potyvirus ImmunoStrip.
H. CHAMBERS (1).. (1) Agdia, Inc., Elkhart, IN, U.S.A.
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Pyriofenone.
C. GEE (1).. (1) ISK Biosciences, Kearney, MO, U.S.A.
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Kenja/Isofetamid.
C. GEE (1).. (1) ISK Biosciences, Kearney, MO, U.S.A.
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ILeVO.
J. RIGGS (1).. (1) Bayer Crop Science, Research Triangle Park, NC, U.S.A.
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AmyProtec 42 Biofungicide.
B. STONEMAN (1).. (1) Andermatt Biocontrol AG, McFarland, WI, U.S.A.
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Soil and spray adjuvant contributions from Simplot Grower Solutions.
L. FOUGHT (1).. (1) Simplot, Madera, CA, U.S.A.
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| Oomycete Poplulation Structure |
Evidence for at least two introductions of the sudden oak death pathogen into Oregon forests
Z. N. KAMVAR (1), M. M. Larsen (2), A. M. Kanaskie (3), E. M. Hansen (1), N. J. Grünwald (2). (1) Oregon State University, Corvallis, OR, U.S.A.; (2) USDA ARS HCRL, Corvallis, OR, U.S.A.; (3) Oregon Department of Forestry, Salem, OR, U.S.A.
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Genomic signatures of host jumping onto raspberry and strawberry in two Phytophthora sister taxa
J. F. TABIMA (1), D. Shen (2), B. Kronmiller (1), B. J. Knaus (3), C. M. Press (3), I. A. Zasada (1), B. M. Tyler (1), N. J. Grünwald (3). (1) Oregon State University, Corvallis, OR, U.S.A.; (2) Nanjing Agricultural University, Nanjing, Chile; (3) USDA ARS, Corvallis, OR, U.S.A.
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Population Genomics of an Overwintering Bi-Parental Phytophthora capsici population
M. O. CARLSON (1), C. D. Smart (1). (1) Cornell University NYSAES, Geneva, NY, U.S.A.
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Spatiotemporal population structure of Pseudoperonospora cubensis isolates in Michigan and Ontario, Canada
R. NAEGELE (1), L. M. Quesada-Ocampo (2), J. Kurjan (3), C. Saude (4), M. K. Hausbeck (3). (1) Michigan State Univ, East Lansing, MI, U.S.A.; (2) North Carolina State University, Raleigh, NC, U.S.A.; (3) Michigan State University, East Lansing, MI, U.S.A.; (4) Canadian Tobacco Research Foundation, Tillonsburg, ON, Canada
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Population structure of Pythium ultimum from greenhouse floral crops in Michigan
J. Del Castillo Munera (1), L. Quesada-Ocampo (2), A. Rojas (3), M. Chilvers (3), M. K. Hausbeck (3), J. DEL CASTILLO MÚNERA (3). (1) Michigan State Univ, East Lansing, MI, U.S.A.; (2) North Carolina State University, Raleigh, NC, U.S.A.; (3) Michigan State University, East Lansing, MI, U.S.A.
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| Participatory Plant Disease Research: Advancing Sustainable Food Production Through Farmer-Researcher Partnerships |
Improving the health and productivity of organic potato crops through participatory research
R. K. GENGER (1), D. I. Rouse (1), R. Groves (1), A. O. Charkowski (1). (1) University of Wisconsin-Madison, Madison, WI, U.S.A.
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Participatory sweetpotato breeding and germplasm evaluation for resistance to viral and fungal diseases
R. O. MWANGA (1), R. W. Gibson (2), G. N. Ssemakula (3), C. G. Yencho (4). (1) International Potato Center, Kampala, Uganda; (2) Natural Resources Institute, Kent, United Kingdom; (3) National Agricultural Research Organization (NARO), Kampala, Uganda; (4) North Carolina State University, Raleigh, NC, U.S.A.
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Participatory research with tree crop farmers in the Pacific
D. I. GUEST (1), R. Daniel (1). (1) The University of Sydney, Eveleigh, Australia
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A framework for optimizing participatory research
K. GARRETT (1). (1) University of Florida, Gainesville, FL, U.S.A.
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| Pathogen Detection Technologies-Session 1 |
Systematic development of species-specific assays for important Phytophthora spp. using recombinase polymerase amplification
T. D. MILES (1), F. N. Martin (2). (1) California State University Monterey Bay, Seaside, CA, U.S.A.; (2) USDA-ARS, Salinas, CA, U.S.A.
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Molecular technology as a useful tool for nematode diagnostics: A case study of root-lesion nematode and cereal cyst nematode
G. P. YAN (1). (1) North Dakota State University, Department of Plant Pathology, Fargo, ND, U.S.A.
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Comparative Genomics-based Development of a LAMP Detection Assay for Boxwood Blight
M. MALAPI-WIGHT (1), J. Demers (1), D. Veltri (2), J. A. Crouch (1). (1) USDA ARS, Beltsville, MD, U.S.A.; (2) Rutgers University, New Brunswick, NJ, U.S.A.
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| Pathogen Detection Technologies-Session 2 |
Early detection of Huanglongbing using mass spectrometry-based proteomics and machine learning
J. MOHR (1), J. Chavez (2), J. Ramsey (3), J. Mahoney (4), T. Thannhauser (5), K. Howe (5), M. Alexander (1), K. Godfrey (6), E. Chin (6), C. Slupsky (6), J. Bruce (2), M. Cilia (5). (1) Cornell University, Ithaca, NY, U.S.A.; (2) University of Washington, Seattle, WA, U.S.A.; (3) Boyce Thompson Institute, Ithaca, NY, U.S.A.; (4) Boyce Thompson Institute, Ihtaca, NY, U.S.A.; (5) USDA-ARS, Ithaca, NY, U.S.A.; (6) UC Davis, Davis, CA, U
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Next Generation Sequencing for the optimal detection of viral pathogens in Grapevine
M. AL RWAHNIH (1), S. Daubert (2), D. Golino (1), A. Rowhani (1). (1) University of California-Davis. Department of Plant Pathology, Davis, CA, U.S.A.; (2) University of California, Department of Plant Pathology, Davis, CA, U.S.A.
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Introducing molecular diagnostic technologies for detecting viruses in potato quarantine testing
H. XU (1), S. Cody (2), D. L. Hammill (2), X. Li (2). (1) Canadian Food Inspection Agency, Charlottetown Laboratory, Charlettetown, PE, Canada; (2) Canadian Food Inspection Agency, Charlottetown Laboratory, Charlottetown, PE, Canada
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Developing a molecular diagnostic for Fusarium oxysporum f.sp. cubense tropical race 4 through Diversity Array Technology genotyping
N. I. ORDONEZ ROMAN (1), M. Salacinas (1), C. Schoen (1), O. Mendes (1), A. Kilian (2), G. Kema (1). (1) Wageningen University and Research, Wageningen, Netherlands; (2) Diversity Arrays Technology Pty Ltd, Canberra, Australia
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| Physiological Basis and Modeling for Climate-Induced Changes in Forest Pathogens and Their Hosts |
Emergence of a new disease, bur oak blight, with recent increases in spring rainfall
T. C. HARRINGTON (1), D. McNew (1). (1) Iowa State University, Ames, IA, U.S.A.
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Differential fitness in ecotypes of the pitch canker pathogen: implications for climate change and forest health.
T. QUESADA (1), J. A. Smith (1). (1) University of Florida, Gainesville, FL, U.S.A.
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Ecology of Swiss needle cast in Western Oregon Coastal forests: ecophysiology and tree ring analysis correlate intensification to climate warming.
D. C. SHAW (1). (1) Dept. of Forest Engineering, Resources, and Management, Oregon State University, Corvallis, OR, U.S.A.
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Risk of forest diseases given climate change: Case study of Phytophthora ramorum
S. J. FRANKEL (1), R. C. Cobb (2). (1) USDA Forest Service, Pacific Southwest Research Station, Albany, CA, U.S.A.; (2) Department of Plant Pathology, UC Davis, Davis, CA, U.S.A.
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| Phytobiome-Plant Interactions: Bridging Phytobiome Structure and Function |
Plants, living with their phytobiomes.
J. TIEDJE (1). (1) Michigan State University, East Lansing, MI, U.S.A.
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The grape endophytic microbiome and its impact on Pierce's disease development
P. E. ROLSHAUSEN (1), J. I. Yang (2), P. Ruegger (1), J. Borneman (1), C. Roper (1). (1) University of California, Riverside, CA, U.S.A.; (2) National Taiwan University, Taipei, CA, Taiwan
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Plant determinants of root microbiome composition
S. LEBEIS (1), S. Herrera Paredes (2), D. Lundberg (3), J. Dangl (2). (1) University of Tennessee, Knoxville, TN, U.S.A.; (2) University of North Carolina, Chapel Hill, NC, U.S.A.; (3) Max Planck Institute, Tubebingen, Germany
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Oomycete community diversity: The soybean root rot complex
A. ROJAS (1), J. L. Jacobs (2), C. A. Bradley (3), D. M. Malvick (4), B. D. Nelson (5), A. Robertson (6), A. U. Tenuta (7), K. A. Wise (8), L. Giesler (9), D. Jardine (10), J. Rupe (11), M. I. Chilvers (2). (1) Michigan State University, East Lansing , MI, U.S.A.; (2) Michigan State University, East Lansing, MI, U.S.A.; (3) University of Illinois, Urbana, IL, U.S.A.; (4) University of Minnesota, St. Paul, MN, U.S.A.; (5) Department of Plant Pathology, North
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| Phytophthora tentaculata, A Newly Introduced Nursery Pathogen and How Clean Stock Production Systems Can Limit Disease Spread |
Phytophthora tentaculata and other Phytophthora species introduced into California native habitats via nursery stock
T. J. SWIECKI (1), E. Bernhardt (1), S. Rooney Latham (2), C. Blomquist (2), S. J. Frankel (3), K. Kosta (4). (1) Phytosphere Research, Vacaville, CA, U.S.A.; (2) California Department of Food and Agriculture, Sacramento, CA, U.S.A.; (3) USDA Forest Service, Pacific Southwest Research Station, Albany, CA, U.S.A.; (4) California Department of Food & Agriculture, S
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Phytophthora tentaculata Prioritized Host range study for restoration nursery producers: CA native plants and woody perennials
K. SUSLOW (1), W. Schweigkofler (2), K. Kosta (3), T. Pastalka (2), S. Sharma (2). (1) National Ornamental Research Site @ Dominican University Program Manager, San Rafael, CA, U.S.A.; (2) NORS-DUC, San Rafael, CA, U.S.A.; (3) CDFA, Sacramento, CA, U.S.A.
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New advances in molecular diagnostics for Phytophthora tentaculata
T. D. MILES (1), F. N. Martin (2). (1) California State University Monterey Bay, Seaside, CA, U.S.A.; (2) USDA-ARS, Salinas, CA, U.S.A.
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Studies in the use of heat to control Phytophthora tentaculata.
W. SCHWEIGKOFLER (1), K. Kosta (2), S. Sharma (1), A. Santiago (1), S. Ditta (1), V. Huffman (1), K. Suslow (1). (1) Dominican Univ of California, San Rafael, CA, U.S.A.; (2) California Department of Food & Agriculture, Sacramento, CA, U.S.A.
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Implementing a systems approach of best management practices in native plant nurseries.
K. L. KOSTA (1). (1) California Dept of Food and Agriculture, Sacramento, CA, U.S.A.
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Evaluating the Efficacy of the Systems Approach at Mitigating Five Common Pests in Oregon Nurseries.
N. K. OSTERBAUER (1), M. Lujan (1), G. McAninch (1), S. Lane (1), A. Trippe (2). (1) Oregon Department of Agriculture, Salem, OR, U.S.A.; (2) Oregon State University, Corvallis, OR, U.S.A.
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A systems approach to nursery and greenhouse phytosanitary certification (SANC) for plant production facilities in the U.S.
R. WELLIVER (1). (1) Pennsylvania Department of Agriculture, Harrisburg, PA, U.S.A.
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P. ramorum: successes, failures and lessons learned that can be applied to P. tentaculata.
R. BULLUCK (1). (1) USDA APHIS PPQ CPHST, Raleigh, NC, U.S.A.
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| Plant Pathologists of the Future: Showcasing the Top Graduate Students from APS Division Meetings |
Caribbean Division - An approach for screening Musa accessions for resistance to virulent Mycosphaerella fijiensis isolates
L. GANAN (1), E. Alvarez (1). (1) CIAT, Palmira, Colombia
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Potomac Division - Evaluation of fungicides for efficacy against pod rot of lima bean caused by Phytophthora capsici
A. A. KNESS (1), G. C. Johnson (2), N. M. Donofrio (1), T. A. Evans (1), E. G. Ernest (2), K. L. Everts (3), N. F. Gregory (1), H. N. Baker (2). (1) University of Delaware, Newark, DE, U.S.A.; (2) University of Delaware, Georgetown, DE, U.S.A.; (3) University of Maryland, Salisbury, MD, U.S.A.
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Southern Division - Pathogenicity evaluations of novel ectotrophic root-infecting fungi on ultradwarf bermudagrass
P. L. VINES (1), M. Tomaso-Peterson (2), T. Allen (2). (1) Mississippi State Univ, Mississippi State, MS, U.S.A.; (2) Mississippi State University, Mississippi State, MS, U.S.A.
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| Schroth Faces of the Future: Nematology |
Exploration of nematode-secreted CLE Effectors for developing tools to accelerate nematode resistance breeding in crop plants
S. CHEN (1), X. Wang (2). (1) Plant Pathology and Plant-Microbe Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, NY, U.S.A.; (2) USDA-ARS, Robert W. Holley Center for Agriculture and Health, Ithaca, NY, U.S.A.
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| Seed Transmission of Vector-Borne Pathogens: Mysteries, Caveats, and Mechanisms |
The impact of bacterial and viral diseases in hybrid seed production: the human factor
C. J. KUROWSKI (1). (1) Monsanto Company, Woodland, CA, U.S.A.
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Introduction and overview of viruses seed-transmitted and non-persistently transmitted by aphids.
S. A. TOLIN (1). (1) Virginia Polytechnic Institute and State University, Blacksburg, VA, U.S.A.
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Survey of diagnostic tools for detection of viroids and impacts of test results on the seed industry
R. W. HAMMOND (1). (1) USDA ARS NEA MPPL, Beltsville, MD, U.S.A.
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| Virus Epidemiology |
Discovery of a novel Grapevine vein clearing virus isolate in wild Vitis rupestris vine
M. KOVENS (1), L. Hubbert (1), S. Honesty (1), Q. Guo (1), D. Pap (1), R. Dai (1), L. Kovacs (1), W. Qiu (1). (1) Missouri State University, Springfield, MO, U.S.A.
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Identification of Brevipalpus yothersi Baker, as vector and possible primary host of cytoplasmic citrus leprosis viruses
A. ROY (1), J. S. Hartung (2), J. Shao (2), G. Leon (3), M. J. Melzer (4), J. J. Beard (5), G. Otero-Colina (6), G. R. Bauchan (2), R. Ochoa (2), R. H. Brlansky (7), W. L. Schneider (1). (1) USDA-ARS, Frederick, MD, U.S.A.; (2) USDA-ARS, Beltsville, MD, U.S.A.; (3) Centro de Investigación La Libertad, CORPOICA, Villavicencio, Colombia; (4) University of Hawaii, Honolulu, HI, U.S.A.; (5) Queensland Museum, South Brisbane, Australia; (6) Co
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Molecular epidemiology of cassava mosaic geminiviruses in Zambia
R. M. MULENGA (1), J. Ndunguru (2), P. C. Chikoti (1), D. W. Miano (3), J. P. Legg (4), O. J. Alabi (5). (1) Zambia Agriculture Research Institute, Mount Makulu Central Research Station, Chilanga, Lusaka, Zambia; (2) Mikocheni Agricultural Research Institute, Dar-Es-Salaam, Tanzania; (3) University of Nairobi, College of Agriculture and Veterinary Sciences,
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Association of Grapevine rupestris stem pitting-associated virus in declining Cabernet Sauvignon grapevines grafted on Schwarzmann in California
T. L. LAWLER (1), A. Rowhani (1), J. K. Uyemoto (2), M. R. Sudarshana (2). (1) UC Davis, Davis, CA, U.S.A.; (2) USDA-ARS, Davis, CA, U.S.A.
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Assessing the benefits of disease management by interpreting an ecological survey of grapevine viruses when contrasted with “planting booms”
K. ARNOLD (1), D. Golino (1), M. Cooper (2), R. Smith (3), V. Klaassen (4), N. McRoberts (1). (1) University of California-Davis. Department of Plant Pathology, Davis, CA, U.S.A.; (2) University of California Cooperative Extension, Napa, CA, U.S.A.; (3) University of California Cooperative Extension, Santa Rosa, CA, U.S.A.; (4) University of Calif
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| Virus-Host Interactions |
Molecular and functional characterization of the movement protein of Ourmia melon virus
P. MARGARIA (1), C. T. Anderson (1), M. Turina (2), C. Rosa (1). (1) The Pennsylvania State University, University Park, PA, U.S.A.; (2) CNR, Torino, Italy
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Elevated CO2 increases wheat susceptibility to Barley yellow dwarf virus
P. TREBICKI (1), N. Nancarrow (2), A. Freeman (3), N. Bosque-Pérez (4), A. Yen (2), G. Fitzgerald (5). (1) Department of Economic Development, Horsham, , Australia; (2) Department of Economic Development, Bundoora, Australia; (3) Department of Economic Development, Horsham, Australia; (4) University of Idaho, Moscow, ID, U.S.A.; (5) Department of Economic
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It’s good to be green: A link between photosynthesis and polerovirus infection revealed by high-resolution mass spectrometry
S. L. DEBLASIO (1), R. Johnson (2), J. Chavez (2), M. Alexander (3), K. Parks (4), J. Ramsey (4), A. Karasev (5), S. M. Gray (6), J. E. Bruce (2), M. J. MacCoss (2), M. Cilia (7). (1) USDA-Agricultural Research Service; Boyce Thompson Institute for Plant Research, Ithaca, NY, U.S.A.; (2) Department of Genome Sciences, University of Washington, Seattle, WA, U.S.A.; (3) Department of Plant Pathology and Plant-Microbe Biology, Cornell
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| Weather and Disease Models |
Chondrostereum purpureum from apple and blueberry: temperatures for spore release and germination, and virulence of mono and dikaryotic mycelia
R. A. FRANCE (1), D. E. Grinbergs (1). (1) Inst de Investigaciones Agropecuarias, Chillan, Chile
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Development of a predictive model to estimate conditions lethal to soilborne inoculum of Phytophthora ramorum and pini during soil solarization
F. FUNAHASHI (1), J. Parke (1). (1) Oregon State University, Corvallis, OR, U.S.A.
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