American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
Is the Concept of Short Retention Times for Aphid-Borne Nonpersistent Plant Viruses Sound? R. J. Zeyen and P. H. Berger. Pages 769-771. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Field and Computer Simulation Evaluation of Spray-Scheduling Methods for Control of Early and Late Blight of Potato. D. Shtienberg, W. E. Fry. Pages 772-777. VIEW ABSTRACT | VIEW ARTICLE
Special Topics
Purification and Partial Characterization of Rice Transitory Yellowing Virus. Ren-Jong Chiu, Yau-Heiu Hsu, Moh-Jih Chen, Ching-Chung Chen, R. Cheng-Reu Lee, Mei-Chao Lin, Shu-Mei Lin, and Tsong-Teh Kuo. Pages 777-783. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Rhizoctonia Species and Anastomosis Groups Causing Root Rot of Wheat and Barley in the Pacific Northwest. A. Ogoshi, R. J. Cook, and E. N. Bassett. Pages 784-788. VIEW ABSTRACT | VIEW ARTICLE
Molecular Plant Pathology
Molecular Cloning and Detection of Chromosomal and Extrachromosomal DNA of the Mycoplasmalike Organism Associated with Little Leaf Disease in Periwinkle (Catharanthus roseus). R. E. Davis, I.-M. Lee, S. M. Douglas, and E. L. Dally. Pages 789-793. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effects of Available Carbon Source on Microbial Activity and Suppression of Pythium aphanidermatum in Compost and Peat Container Media. R. Mandelbaum, Y. Hadar. Pages 794-804. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
The Influence of Tillage Systems on Incidence and Spatial Pattern of Tan Spot of Wheat. W. Schuh. Pages 804-807. VIEW ABSTRACT | VIEW ARTICLE
Special Topics
Endophytic Bacteria in Symptom-Free Cotton Plants. I. J. Misaghi, C. R. Donndelinger. Pages 808-811. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Stroma Development, Honeydew Formation, and Conidial Production in Claviceps sorghi. R. Bandyopadhyay, L. K. Mughogho, S. K. Manohar, and M. V. Satyanarayana. Pages 812-818. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Genetic Control and Distorted Segregation of T-Toxin Production in Field Isolates of Cochliobolus heterostrophus. C. R. Bronson, M. Taga, and O. C. Yoder. Pages 819-823. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Immunological Detection of Plant Viruses and a Mycoplasmalike Organism by Direct Tissue Blotting on Nitrocellulose Membranes. N. S. Lin, Y. H. Hsu, and H. T. Hsu. Pages 824-828. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Pathological, Restriction-Fragment Length Polymorphism, and Fatty Acid Profile Relationships Between Xanthomonas campestris from Citrus and Noncitrus Hosts. J. H. Graham, J. S. Hartung, R. E. Stall, and A. R. Chase. Pages 829-836. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Infection of Stylosanthes guianensis and S. scabra by Colletotrichum gloeosporioides. H. J. Ogle, D. H. Gowanlock, and J. A. G. Irwin. Pages 837-842. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Incidence-Severity Relationships for Common Maize Rust on Sweet Corn. H. R. Dillard, R. C. Seem. Pages 842-846. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Use of an Action Threshold for Common Maize Rust to Reduce Crop Loss in Sweet Corn. H. R. Dillard, R. C. Seem. Pages 846-849. VIEW ABSTRACT | VIEW ARTICLE
Vector Relations
Association of the Nucleic Acid of Squash Leaf Curl Geminivirus with the Whitefly Bemisia tabaci. J. E. Polston, A. Al-Musa, Thomas M. Perring, and J. A. Dodds. Pages 850-856. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Genetic-Geographic Variation in Peridermium harknessii in the North-Central United States. G. A. Tuskan, J. A. Walla, and J. E. Lundquist. Pages 857-861. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Effect of Chemical Applications to Peach Bark Wounds on Accumulation of Lignin and Suberin and Susceptibility to Leucostoma persoonii. A. R. Biggs, Carol A. Peterson. Pages 861-865. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Beet Pseudo-Yellows Virus: Purification and Serology. Hsing -Yeh Liu, James E. Duffus. Pages 866-869. VIEW ABSTRACT | VIEW ARTICLE
Genetics
The Number and Distribution of Incompatibility Alleles in Laccaria laccata var. moelleri (Agaricales). R. L. Doudrick, G. R. Furnier, and N. A. Anderson. Pages 869-872. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Induction of Systemic Aecial Infection in Canada Thistle (Cirsium arvense) by Teliospores of Puccinia punctiformis. R. C. French, A. R. Lightfield. Pages 872-877. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Stubble Management and the Site of Penetration of Wheat by Fusarium graminearum Group 1. B. A. Summerell, L. W. Burgess, T. A. Klein, and A. B. Pattison. Pages 877-879. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Potential for Biological Control of Phytophthora Root and Crown Rots of Apple by Trichoderma and Gliocladium spp.. V. L. Smith, W. F. Wilcox, and G. E. Harman. Pages 880-885. VIEW ABSTRACT | VIEW ARTICLE
Annual Meeting Abstracts
Abstracts of the Annual Meeting of the Pacific Division of the APS. Pages 886-893. VIEW ABSTRACT | VIEW ARTICLE
