American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
A Reinterpretation of the Mathematical Analysis of Rhizoplane and Rhizosphere Effects. K. J. Leonard. Pages 695-696. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
Estimating Parasitic Fitness of Plant Pathogenic Fungi: A Theoretical Contribution. George Skylakakis. Pages 696-698. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
Dutch Elm Disease and the Wicker Basket Theory. John N. Gibbs. Pages 699. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Ecology of Cadang-Cadang Disease of Coconut Palm in the Philippines. B. Zelazny. Pages 700-703. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effects of Photochemical Oxidant Injury of Ponderosa and Jeffrey Pines on Susceptibility of Sapwood and Freshly Cut Stumps to Fomes annosus. R. L. James, F. W. Cobb, Jr., W. W. Wilcox, and D. L. Rowney. Pages 704-708. VIEW ABSTRACT | VIEW ARTICLE
Vector Relations
Leafhopper Transmission and Host Range of Maize Rayado Fino Virus. L. R. Nault, R. E. Gingery, and D. T. Gordon. Pages 709-712. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Suppression of Pythium ultimum-Induced Damping-Off of Cotton Seedlings by Pseudomonas fluorescens and its Antibiotic, Pyoluteorin. C. R. Howell, R. D. Stipanovic. Pages 712-715. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Substrate Effects on Helminthosporium maydis Race T Conidium and Germ Tube Morphology. Jean Marie Potter, Lois H. Tiffany, and C. A. Martinson. Pages 715-719. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Suppression of Sclerotinia Blight of Peanuts with Dinitrophenol Herbicides. D. M. Porter, O. E. Rud. Pages 720-722. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Infectivity of Pythium spp. Zoospores in Snow Rot of Wheat. P. E. Lipps, G. W. Bruehl. Pages 723-726. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Production of Host-Specific Toxins by Helminthosporium victoriae and H. maydis in Liquid Shake Culture. J. L. Van Etten, J. M. Daly. Pages 727-729. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Time and Site of Infection of Resistant and Susceptible Germinating Pea Seeds by Pythium ultimum. T. E. Stasz, G. E. Harman, and G. A. Marx. Pages 730-733. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Simulated Intrafield Dispersal of Maize Chlorotic Dwarf Virus by Graminella nigrifrons With a Rubidium Marker. David R. Alverson, J. N. All, and C. W. Kuhn. Pages 734-737. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Glyceollin Production Associated with Control of Phytophthora Rot of Soybeans by the Systemic Fungicide, Metalaxyl. E. W. B. Ward, G. Lazarovits, P. Stössel, S. D. Barrie, and C. H. Unwin. Pages 738-740. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Big Vein of Lettuce: Infection and Methods of Control. R. N. Campbell, A. S. Greathead, and F. V. Westerlund. Pages 741-746. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Enzyme-linked Immunosorbent Assay for Pierce's Disease Bacteria in Plant Tissues. S. F. Nomé, B. C. Raju, A. C. Goheen, G. Nyland, and D. Docampo. Pages 746-749. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Host Range of Pratylenchus hexincisus and its Pathogenicity on Corn, Soybean, and Tomato. M. E. Zirakparvar. Pages 749-753. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Elimination of Potato Spindle Tuber Viroid by Low Temperature and Meristem Culture. R. E. Lizárraga, L. F. Salazar, W. M. Roca, and L. Schilde-Rentschler. Pages 754-755. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Verticillium Wilt of Yellow Poplar. A. L. Morehart, F. M Donohue III, and G. L. Melchior. Pages 756-760. VIEW ABSTRACT | VIEW ARTICLE
Postharvest Pathology and Mycotoxins
Interference Competition and Aflatoxin Levels in Corn. D. T. Wicklow, C. W. Hesseltine, O. L. Shotwell, and G. L. Adams. Pages 761-764. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Agarose Medium for Bioassay of Antimicrobial Substances. W. C. Ho, W. H. Ko. Pages 764-766. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Pathogenicity of Three Species of Pythium to Seedlings and Mature Plants of Grain Sorghum. R. G. Pratt, G. D. Janke. Pages 766-771. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Cell Walls of Phytophthora infestans Contain an Elicitor of Terpene Accumulation in Potato Tubers. J. W. D. M. Henfling, R. M. Bostock, and J. Kuć. Pages 772-776. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Clubroot Resistance and Linkage in Brassica campestris. R. V. James, P. H. Williams. Pages 776-779. VIEW ABSTRACT | VIEW ARTICLE
Techniques
A Procedure for Isolation and Maintenance of Peronospora destructor on Onion. A. A. Abd-Elrazik, J. W. Lorbeer. Pages 780-782. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Vacuole Dynamics in Fungal Plant Pathogens. Charles L. Wilson, Gene A. Jumper, and David L. Mason. Pages 783-788. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Eutypa armeniacae in Michigan Vineyards: Ascospore Production and Survival, Host Infection, and Fungal Growth at Low Temperatures. A. T. Trese, C. L. Burton, and D. C. Ramsdell. Pages 788-793. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
The Influence of Temperature and Water Potential on Asexual Reproduction by Pythium spp. Associated With Snow Rot of Wheat. P. E. Lipps. Pages 794-797. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Fungitoxicity of Metalaxyl against Phytophthora parasitica var. nicotianae. T. H. Staub, T. R. Young. Pages 797-801. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Relation Between Foliar Symptoms and Systemic Advance of Cephalosporium gramineum During Winter Wheat Development. J. B. Morton, D. E. Mathre, and R. H. Johnston. Pages 802-807. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Physiological Effects of Cephalosporium gramineum on Growth and Yield of Winter Wheat Cultivars. J. B. Morton, D. E. Mathre. Pages 807-811. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Identification of Resistance to Cephalosporium Stripe in Winter Wheat. J. B. Morton, D. E. Mathre. Pages 812-817. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Distribution of Rickettsia-like Bacteria in Peach, and Their Occurrence in Plum, Cherry, and some Perennial Weeds. J. M. Wells, D. J. Weaver, and B. C. Raju. Pages 817-820. VIEW ABSTRACT | VIEW ARTICLE
Techniques
A Method for Long-time Culture Storage of Rhizoctonia solani. Edward E. Butler. Pages 820-821. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Host-Parasite Relations in Uredial Infections of Peanut by Puccinia arachidis. Marion Cook. Pages 822-826. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Peanut Leaf Wettability and Susceptibility to Infection by Puccinia arachidis. Marion Cook. Pages 826-830. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Isolation of Specific Antibody to Plant Viruses by Acid Sucrose Density Gradient Centrifugation. M. R. McLaughlin, G. R. Bryant, J. H. Hill, H. I. Benner, and D. P. Durand. Pages 831-834. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Shasta Daisy Vascular Wilt Incited by Acremonium Strictum. A. R. Chase, Donald E. Munnecke. Pages 834-838. VIEW ABSTRACT | VIEW ARTICLE
