January 1994

Volume 84, Number 1



Presidential Address. Plant Pathology: Where are We Headed Beyond 2000? R. C. Rowe. Pages 15-16. VIEW ABSTRACT  |   VIEW ARTICLE


Letter to the Editor

Threshold Criteria for Model Plant Disease Epidemics. I. Asymptotic Results. M. J. Jeger and F. van den Bosch. Pages 24-27. VIEW ABSTRACT  |   VIEW ARTICLE


Letter to the Editor

Threshold Criteria for Model Plant Disease Epidemics. II. Persistence and Endemicity. M. J. Jeger and F. van den Bosch. Pages 28-30. VIEW ABSTRACT  |   VIEW ARTICLE


Genetics

Isozyme Variation Within and Among Pathogenic Races of Cochliobolus carbonum on Corn in North Carolina. H. G. Welz, W. Köhler, and K. J. Leonard. Pages 31-38. VIEW ABSTRACT  |   VIEW ARTICLE


Physiology and Biochemistry

Proteins Unique to Phenotypically Distinct Groups of Xanthomonas campestris pv. vesicatoria Revealed by Silver Staining. H. Bouzar, J. B. Jones, G. V. Minsavage, R. E. Stall, and J. W. Scott. Pages 39-44. VIEW ABSTRACT  |   VIEW ARTICLE


Genetics

Comparison of Double-Stranded RNA Components and Virulence Among Isolates of Rhizoctonia solani AG-1 IA and AG-1 IB. C. S. Kousik, J. P. Snow, and R. A. Valverde. Pages 44-49. VIEW ABSTRACT  |   VIEW ARTICLE


Molecular Plant Pathology

Mitochondrial DNA of Puccinia graminis f. sp. avenae: Molecular Cloning, Restriction Map, and Copy Number. J. Sock, R. Rohringer, and J. A. Kolmer. Pages 49-55. VIEW ABSTRACT  |   VIEW ARTICLE


Resistance

Local and Systemic Control of Phytophthora infestans in Tomato Plants by dl-3-Amino-n-Butanoic Acids. Yigal Cohen,. Pages 55-59. VIEW ABSTRACT  |   VIEW ARTICLE


Genetics

RFLP and Microsatellite Mapping of a Gene for Soybean Mosaic Virus Resistance. Y. G. Yu, M. A. Saghai Maroof, G. R. Buss, P. J. Maughan, and S. A. Tolin. Pages 60-64. VIEW ABSTRACT  |   VIEW ARTICLE


Techniques

Identification of Distinct Potyviruses in Mixedly-Infected Sweetpotato by the Polymerase Chain Reaction with Degenerate Primers. D. Colinet, J. Kummert, P. Lepoivre, and J. Semal. Pages 65-69. VIEW ABSTRACT  |   VIEW ARTICLE


Ecology and Epidemiology

Stability of Equilibria in a Gene-for-Gene Coevolution Model of Host-Parasite Interactions. K. J. Leonard,. Pages 70-77. VIEW ABSTRACT  |   VIEW ARTICLE


Etiology

Branch Dieback of Southern California Chaparral Vegetation Caused by Botryosphaeria dothidea. F. E. Brooks, D. M. Ferrin. Pages 78-83. VIEW ABSTRACT  |   VIEW ARTICLE


Genetics

Genetic Analysis of Two Race 0 × Race 2 Crosses in Cochliobolus carbonum. H. G. Welz, K. J. Leonard. Pages 83-91. VIEW ABSTRACT  |   VIEW ARTICLE


Ecology and Epidemiology

Analysis of Temporal Disease Progress of African Cassava Mosaic Virus. D. Fargette, M. Jeger, C. Fauquet, and L. D. C. Fishpool. Pages 91-98. VIEW ABSTRACT  |   VIEW ARTICLE


Genetics

Use of the RAPD Technique for Identification of Fusarium oxysporum f. sp. dianthi from Carnation. S. Manulis, N. Kogan, M. Reuven, and Y. Ben-Yephet. Pages 98-101. VIEW ABSTRACT  |   VIEW ARTICLE


Resistance

Differential Host-Pathogen Interactions Among Clones of Poplar and Strains of Xanthomonas populi pv. populi. X. Nesme, M. Steenackers, V. Steenackers, Ch. Picard, M. Ménard, S. Ridé, and M. Ridé. Pages 101-107. VIEW ABSTRACT  |   VIEW ARTICLE