July 1990

Volume 74, Number 7


FOCUS

The Latest in Plant Pathology and Nematology. Page 452. View Article.


Research.

Seedling Infection of Soybean by Isolates of Rhizoctonia solani AG-1, Causal Agent of Aerial Blight and Web Blight of Soybean. X. B. Yang. Pages: 485-488 VIEW ARTICLE


Deviation from the Regression of Infection on Heading and Height as a Measure of Resistance to Septoria tritici Blotch in Wheat. L. T. Van Beuningen. Pages: 488-493 VIEW ABSTRACT  |   VIEW ARTICLE


Basidiocarp Development on Mycelial Mats of Crinipellis perniciosa. L. H. Purdy. Pages: 493-496 VIEW ABSTRACT  |   VIEW ARTICLE


Virulence Frequency in the Bean Rust Fungus: Comparison of Phenotypic vs. Genotypic Polymorphism. John W. McCain. Pages: 496-501 VIEW ABSTRACT  |   VIEW ARTICLE


Types of Rhizoctonia Foliar Blight on Soybean in Louisiana. X. B. Yang. Pages: 501-504 VIEW ABSTRACT  |   VIEW ARTICLE


Variation in the Pathogenicity and Aggressiveness of Strains of Erwinia carotovora subsp. carotovora Isolated from Different Hosts. C. Smith. Pages: 505-509 VIEW ABSTRACT  |   VIEW ARTICLE


Characterization and Pathogenicity of Species of Rhizoctonia Associated with Centipedegrass and St. Augustinegrass in South Carolina. R. A. Haygood. Pages: 510-514 VIEW ABSTRACT  |   VIEW ARTICLE


Transmission and Field Spread of Raspberry Bushy Dwarf Virus. Murray A. Bulger. Pages: 514-517 VIEW ABSTRACT  |   VIEW ARTICLE


Pathogenicity of Tubakia dryina. G. P. Munkvold. Pages: 518-522 VIEW ABSTRACT  |   VIEW ARTICLE


Isolation and Growth of Strains of Xylella fastidiosa from Infected Grapevines on Nutrient Agar Media. S. M. Fry. Pages: 522-524 VIEW ABSTRACT  |   VIEW ARTICLE


Influence of Media on Pathogenicity and Morphology of Secondary Sporidia of Tilletia indica. E. J. Warham. Pages: 525-527 VIEW ABSTRACT  |   VIEW ARTICLE


New Diseases and Epidemics.

Stem Canker and Leaf Spot of Poinsettia Caused by Pseudomonas viridiflava in Florida. Arthur W. Engelhard. Pages: 528-529 VIEW ABSTRACT  |   VIEW ARTICLE


Disease Notes

Predominance in New York of Isolates of Exserohilum turcicum Virulent on Maize with Gene Ht1. N. P. Keller. Pages: 530 VIEW ABSTRACT  |   VIEW ARTICLE


Pitch Canker of Pinus luchuensis in Japan. M. Muramoto. Pages: 530 VIEW ABSTRACT  |   VIEW ARTICLE


Root and Crown Rot on Nursery-grown Mango Trees Caused by Phytophthora palmivora. M. E. Matheron. Pages: 530 VIEW ABSTRACT  |   VIEW ARTICLE


Previously Undescribed Pathotype of Bipolaris zeicola on Corn. J. L. Dodd. Pages: 530 VIEW ABSTRACT  |   VIEW ARTICLE


First Report of Race 2 of Verticillium dahliae on Tomatoes in South Africa. J. F. Ferreira. Pages: 530 VIEW ABSTRACT  |   VIEW ARTICLE


Widespread Occurrence of Sugarcane Bacilliform Virus in U.S. Sugarcane Germ Plasm Collections. J. C. Comstock. Pages: 530 VIEW ABSTRACT  |   VIEW ARTICLE