American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Effect of Potato Virus Y and Tobacco Mosaic Virus on Field-Grown Burley Tobacco. R. C. Sievert. Pages 823-825. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Fusarium Root Rot of Forage Species: Pathogenicity and Host Range. K. T. Leath, W. A. Kendall. Pages 826-831. VIEW ABSTRACT | VIEW ARTICLE
The Incidence of Septoria nodorum in Wheat Seed. Barry M. Cunfer. Pages 832-835. VIEW ABSTRACT | VIEW ARTICLE
Soybean Seed Decay: Prevalence of Infection and Symptom Expression Caused by Phomopsis sp., Diaporthe phaseolorum var. sojae, and D. phaseolorum var. caulivora. K. T. Kmetz, A. F. Schmitthenner, and C. W. Ellett. Pages 836-840. VIEW ABSTRACT | VIEW ARTICLE
Occurrence and Characteristics of a Seed-Transmitted Potyvirus from Indian, African, and North American Guar. A. J. Hansen, D. E. Lesemann. Pages 841-846. VIEW ABSTRACT | VIEW ARTICLE | VIEW ERRATUM
Cytology and Histology
Foliar Response of Six Clones of Hybrid Poplar to Simulated Acid Rain. Lance S. Evans, Nicholas F. Gmur, and Filomena Da Costa. Pages 847-856. VIEW ABSTRACT | VIEW ARTICLE | VIEW ERRATUM
Physiology and Biochemistry
Effect of Ethylene on Phytuberin and Phytuberol Accumulation in Potato Tuber Slices. J. W. D. M. Henfling, N. Lisker, and J. Kuć. Pages 857-862. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Effect of Sweet Potato Cultivars and Pathogens on Ipomeamarone Content of Diseased Tissue. W. J. Martin, V. C. Hasling, E. A. Catalano, and H. P. Dupuy. Pages 863-865. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
A Hypoxylon mammatum Pathotoxin Responsible for Canker Formation in Quaking Aspen. Arthur L. Schipper, Jr.. Pages 866-872. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Effect of Adenosine 5’-Triphosphate on Hypersensitive Death of Potato Tuber Cells Infected by Phytophthora infestans. M. Nozue, K. Tomiyama, and N. Doke. Pages 873-876. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Effect of Nonanal, Citral, and Citrus Oils on Germination of Conidia of Penicillium digitatum and Penicillium italicum. R. C. French, R. K. Long, F. M. Latterell, C. L. Graham, J. J. Smoot, and P. E. Shaw. Pages 877-882. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
The Effect of Ozone on Chloroplast Lamellae and Isolated Mesophyll Cells of Sensitive and Resistant Tobacco Selections. A. Rhoads, E. Brennan. Pages 883-886. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Physical Factors that Influence the Recovery of Microsclerotium Populations of Cylindrocladium crotalariae from Naturally Infested Soils. Gary J. Griffin, Don A. Roth, and Norris L. Powell. Pages 887-891. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Influence of Conidia Dispersal and Environment on Infection of Grape by Guignardia bidwellii. Donald M. Ferrin, Donald C. Ramsdell. Pages 892-895. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Peach Rusty Spot Epidemiology: Incidence as Affected by Distance from a Powdery Mildew-Infected Apple Orchard. S. M. Ries, D. J. Royse. Pages 896-899. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Integrated Control of Rhizoctonia solani Damping-Off of Radish: Effect of Successive Plantings, PCNB, and Trichoderma harzianum on Pathogen and Disease. Y. Henis, A. Ghaffar, and R. Baker. Pages 900-907. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effects of Wetting Period on Resistance to Leaf Spotting of Wheat by Leptosphaeria microscopica with Conidial stage Phaeoseptoria urvilleana. R. M. Hosford, Jr.. Pages 908-912. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Influence of Soil Moisture on Infection of Ponderosa Pine by Verticicladiella wagenerii. Donald J. Goheen, Fields W. Cobb, Jr., and George N. McKibbin. Pages 913-916. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Fungi Associated with Postemergence Seedling Disease of Cotton in Three Soils. L. F. Johnson, D. D. Baird, A. Y. Chambers, and N. B. Shamiyeh. Pages 917-920. VIEW ABSTRACT | VIEW ARTICLE
Vector Relations
Effect of Temperature on Transmission, Translocation, and Persistence of the Lettuce Big-Vein Agent and Big-Vein Symptom Expression. F. V. Westerlund, R. N. Campbell, and R. G. Grogan. Pages 921-926. VIEW ABSTRACT | VIEW ARTICLE
Vector Relations
Soil Factors Affecting the Reproduction and Survival of Olpidium brassicae and its Transmission of Big Vein Agent to Lettuce. F. V. Westerlund, R. N. Campbell, R. G. Grogan, and J. M. Duniway. Pages 927-935. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Close Association of Two Factors for Avirulence in Puccinia graminis tritici. N. H. Luig. Pages 936-937. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Distribution and Growth of Fusarium oxysporum f. sp. lycopersici Race 1 or Race 2 within Tomato Plants Resistant or Susceptible to Wilt. W. S. Conway, W. E. MacHardy. Pages 938-942. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Field Reaction of Artificially Inoculated Alfalfa Populations to the Fusarium and Bacterial Wilt Pathogens Alone and in Combination. F. I. Frosheiser, D. K. Barnes. Pages 943-946. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Inheritance of Resistance to Erwinia Root Rot in Sugarbeet. R. T. Lewellen, E. D. Whitney, and C. K. Goulas. Pages 947-950. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Effect of Ammonium Hydroxide on Thiamine and Available Micronutrients in Ponderosa Pine Sapwood. T. L. Amburgey, B. R. Johnson. Pages 951-954. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Root Diseases of Snapbean and Southern Pea in Intensive Cropping Systems. Donald R. Sumner, A. W. Johnson, Norman C. Glaze, and Clyde C. Dowler. Pages 955-961. VIEW ABSTRACT | VIEW ARTICLE
Techniques
The Detection of Low Concentrations of Double-Stranded Ribonucleic Acid with Iodine-125 Labeled Antiserum. Charles A. Powell, Cleora J. D’Arcy, and G. A. de Zoeten. Pages 962-966. VIEW ABSTRACT | VIEW ARTICLE
