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Phytopathology March, 1993
Volume 83, Number 3


American Phytopathological Society Board & Staff.  VIEW ABSTRACT  |   VIEW ARTICLE

Genetics

Observed and Predicted Changes in Virulence Gene Frequencies at 11 Loci in a Local Barley Powdery Mildew Population. Mogens S. Hovmøller, Lisa Munk, and Hanne Østergård. Pages 253-260. VIEW ABSTRACT  |   VIEW ARTICLE  |  VIEW ERRATUM

Ecology and Epidemiology

Decline of Rhizoctonia Root Rot on Wheat in Soils Infested with Rhizoctonia solani AG-8. Philippe Lucas, Richard W. Smiley, and Harold P. Collins. Pages 260-265. VIEW ABSTRACT  |   VIEW ARTICLE

Ecology and Epidemiology

Influence of Pseudomonas fluorescens on Hyphal Growth and Biocontrol Activity of Trichoderma harzianum in the Spermosphere and Rhizosphere of Pea. L. M. Dandurand, G. R. Knudsen. Pages 265-270. VIEW ABSTRACT  |   VIEW ARTICLE

Vector Relations

Evidence for Receptor-Mediated Endocytosis Regulating Luteovirus Acquisition by Aphids. F. E. Gildow. Pages 270-277. VIEW ABSTRACT  |   VIEW ARTICLE

Physiology and Biochemistry

Differentiation of Populations of AG-2-2 of Rhizoctonia solani by Analysis of Cellular Fatty Acids. Janell Stevens Johnk, Roger K. Jones. Pages 278-283. VIEW ABSTRACT  |   VIEW ARTICLE

Molecular Plant Pathology

Use of Polymerase Chain Reaction to Detect Gaeumannomyces graminis DNA in Plants Grown in Artificially and Naturally Infested Soil. Joan M. Henson, Tresa Goins, William Grey, Donald E. Mathre, and Monica L. Elliott. Pages 283-287. VIEW ABSTRACT  |   VIEW ARTICLE

Ecology and Epidemiology

Comparative Spatial Analysis of Foliar Epidemics on White Clover Caused by Viruses, Fungi, and a Bacterium. Scot C. Nelson, C. Lee Campbell. Pages 288-301. VIEW ABSTRACT  |   VIEW ARTICLE

Molecular Plant Pathology

Chitinolytic Enzymes Produced by Trichoderma harzianum: Antifungal Activity of Purified Endochitinase and Chitobiosidase. M. Lorito, G. E. Harman, C. K. Hayes, R. M. Broadway, A. Tronsmo, S. L. Woo, and A. Di Pietro. Pages 302-307. VIEW ABSTRACT  |   VIEW ARTICLE

Molecular Plant Pathology

Endochitinase from Gliocladium virens: Isolation, Characterization, and Synergistic Antifungal Activity in Combination with Gliotoxin. A. Di Pietro, M. Lorito, C. K. Hayes, R. M. Broadway, and G. E. Harman. Pages 308-313. VIEW ABSTRACT  |   VIEW ARTICLE

Molecular Plant Pathology

Chitinolytic Enzymes of Trichoderma harzianum: Purification of Chitobiosidase and Endochitinase. G. E. Harman, C. K. Hayes, M. Lorito, R. M. Broadway, A. Di Pietro, C. Peterbauer, and A. Tronsmo. Pages 313-318. VIEW ABSTRACT  |   VIEW ARTICLE  |  VIEW ERRATUM

Genetics

Phenotypic Changes in Populations of Phytophthora infestans from Eastern Germany. S. S. Daggett, E. Götz, and C. D. Therrien. Pages 319-323. VIEW ABSTRACT  |   VIEW ARTICLE

Postharvest Pathology and Mycotoxins

Alternaria Fruit Rot of Ripening Chile Peppers. Marisa M. Wall, Charles L. Biles. Pages 324-328. VIEW ABSTRACT  |   VIEW ARTICLE

Molecular Plant Pathology

Biased DNA Integration in Colletotrichum gloeosporioides f. sp. aeschynomene Transformants with Benomyl Resistance. John L. Armstrong, Deborah L. Harris. Pages 328-332. VIEW ABSTRACT  |   VIEW ARTICLE

Physiology and Biochemistry

Purification and Properties of an Endoxylanase from a Corn Stalk Rot Strain of Erwinia chrysanthemi. E. J. Braun, C. A. Rodrigues. Pages 332-338. VIEW ABSTRACT  |   VIEW ARTICLE

Ecology and Epidemiology

Influence of Temperature, Leaf Wetness, and High Relative Humidity Duration on Sporulation of Cercospora carotae on Carrot Leaves. O. Carisse, A. C. Kushalappa, and D. C. Cloutier. Pages 338-343. VIEW ABSTRACT  |   VIEW ARTICLE

Physiology and Biochemistry

A Comparison of the Quantities of Exopolysaccharide Produced by Xanthomonas campestris pv. malvacearum in Susceptible and Resistant Cotton Cotyledons During Early Stages of Infection. Margaret L. Pierce, Margaret Essenberg, and Andrew J. Mort. Pages 344-349. VIEW ABSTRACT  |   VIEW ARTICLE

Disease Control and Pest Management

Crop Rotation and Nematicide Effects on the Frequency of Meloidogyne spp. in a Mixed Population. B. A. Fortnum, R. E. Currin, III. Pages 350-355. VIEW ABSTRACT  |   VIEW ARTICLE

Molecular Plant Pathology

Sequence Relationships Among the Coat Proteins of Strains of Pea Mosaic, White Lupin Mosaic, and Bean Yellow Mosaic Potyviruses. N. M. McKern, O. W. Barnett, L. A. Whittaker, A. Mishra, P. M. Strike, X. W. Xiao, C. W. Ward, and D. D. Shukla. Pages 355-361. VIEW ABSTRACT  |   VIEW ARTICLE