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Plant Disease September, 1990
Volume 74, Number 9

Plant Disease Editorial Board & Policies.  Page: 619   VIEW ABSTRACT  |  VIEW ARTICLE


The Latest in Plant Pathology and Nematology. Page 620. VIEW ARTICLE.


Viruses of Orchids and Their Control. F. William Zettler, Nan-Jing Ko, Gail C. Wisler, Mark S. Elliott, and Sek-Man Wong. Pages: 621-626.  VIEW ARTICLE


Cob and Kernel Infection by Aspergillus flavus and Fusarium moniliforme in Inoculated, Field-grown Maize Ears. N. Zummo and G. E. Scott. Pages: 627-631 VIEW ABSTRACT  |   VIEW ARTICLE

Effects of Growth Stage and Temperature on Components of Resistance to Leaf Rust in Wheat Genotypes with Lr26. Z. A. Pretorius and G. H. J. Kemp. Pages: 631-635 VIEW ABSTRACT  |   VIEW ARTICLE

Landscape Survival of Fungicide-Treated Azaleas Inoculated with Phytophthora cinnamomi. D. M. Benson. Pages: 635-637 VIEW ABSTRACT  |   VIEW ARTICLE

Economic Analysis of Protectant and Disease-Forecast-Based Fungicide Spray Programs for Control of Apple Scab and Grape Black Rot in Ohio. R. C. Funt, M. A. Ellis, and L. V. Madden. Pages: 638-642 VIEW ABSTRACT  |   VIEW ARTICLE

Dispersal of Conidia of Zygophiala jamaicensis in Apple Orchards. T. B. Sutton. Pages: 643-646 VIEW ABSTRACT  |   VIEW ARTICLE

Viscosity Test for Preliminary Identification of Strains of Xanthomonas campestris. Luellen Pierce, M. N. Schroth, and A. H. McCain. Pages: 646-647 VIEW ABSTRACT  |   VIEW ARTICLE

Detection of a Strain of Soybean Mosaic Virus Affecting Tropical Forage Species of Centrosema. F. J. Morales, A. I. Niessen, M. Castaño, and L. Calvert. Pages: 648-651 VIEW ABSTRACT  |   VIEW ARTICLE

Evaluation of Crucifer Green Manures for Controlling Aphanomyces Root Rot of Peas. A. M. Muehlchen, R. E. Rand, and J. L. Parke. Pages: 651-654 VIEW ABSTRACT  |   VIEW ARTICLE

Comparison of Serological and Culture Plate Methods for Detecting Species of Phytophthora, Pythium, and Rhizoctonia in Ornamental Plants. J. D. MacDonald, J. Stites, and J. Kabashima. Pages: 655-659 VIEW ABSTRACT  |   VIEW ARTICLE

Occurrence, Spatial Distribution, and Pathogenicity of Some Phytoparasitic Nematodes on Creeping Bentgrass Putting Greens in Kansas. T. C. Todd and N. A. Tisserat. Pages: 660-663 VIEW ABSTRACT  |   VIEW ARTICLE

Phytophthora cinnamomi as a Cause of Root Rot and Dieback of Cranberry in Massachusetts. F. L. Caruso and W. F. Wilcox. Pages: 664-667 VIEW ABSTRACT  |   VIEW ARTICLE

Variation Among Isolates of Phoma medicaginis var. medicaginis in Spore Production in Vitro and Symptom Expression on Excised Leaves of Alfalfa. Fred A. Gray, J. A. Fernandez, and J. L. Horton. Pages: 668-670 VIEW ABSTRACT  |   VIEW ARTICLE

Effects of Fungicides, Cultivars, Irrigation, and Environment on Rhizoctonia Limb Rot of Peanut. J. S. Barnes, A. S. Csinos, and J. E. Hook. Pages: 671-676 VIEW ABSTRACT  |   VIEW ARTICLE

Effect of Wart Disease on Survival and Yield of the Tropical Pasture Legume Desmodium ovalifolium. J. M. Lenné, C. Torres, and C. Garcia. Pages: 676-679 VIEW ABSTRACT  |   VIEW ARTICLE

Pathogenicity of Phoma medicaginis var. medicaginis to Roots of Alfalfa. R. Rodriguez, K. T. Leath, and R. R. Hill, Jr. Pages: 680-683 VIEW ABSTRACT  |   VIEW ARTICLE

Association of Sugarcane Rust Severity with Soil Factors in Florida. D. L. Anderson, R. N. Raid, M. S. Irey, and L. J. Henderson. Pages: 683-686 VIEW ABSTRACT  |   VIEW ARTICLE

Control of Typhula Blight and Pink Snow Mold of Creeping Bentgrass and Residual Suppression of Dollarspot by Triadimefon and Propiconazole. L. L. Burpee, A. E. Mueller, and D. J. Hannusch. Pages: 687-689 VIEW ABSTRACT  |   VIEW ARTICLE

Laboratory-Induced Resistance to Fosetyl-Al in a Metalaxyl-Resistant Field Isolate of Pythium aphanidermatum. P. L. Sanders, M. D. Coffey, G. D. Greer, and M. D. Soika. Pages: 690-692 VIEW ABSTRACT  |   VIEW ARTICLE

Internal Decay of Onions Caused by Enterobacter cloacae. A. L. Bishop and R. M. Davis. Pages: 692-694 VIEW ABSTRACT  |   VIEW ARTICLE

Development of Serological Procedures for Rapid, Sensitive, and Reliable Detection of Rice Grassy Stunt Virus. H. T. Hsu, H. Hibino, and P. Q. Cabauatan. Pages: 695-698 VIEW ABSTRACT  |   VIEW ARTICLE

Host Suitability of Selected Small Grain and Field Crops to Criconemella xenoplax. A. P. Nyczepir and P. F. Bertrand. Pages: 698-701 VIEW ABSTRACT  |   VIEW ARTICLE

Incidence of Tomato Ringspot Virus and Tobacco Ringspot Virus in Grapevines in Pennsylvania. C. A. Powell, J. L. Longenecker, and L. B. Forer. Pages: 702-704 VIEW ABSTRACT  |   VIEW ARTICLE

Root Diseases, Populations of Soil Fungi, and Yield Decline in Continuous Double-Crop Corn. Donald R. Sumner, Gary J. Gascho, A. W. Johnson, James E. Hook, and E. Dale Threadgill. Pages: 704-710 VIEW ABSTRACT  |   VIEW ARTICLE

Population of Erwinia amylovora on External and Internal Apple Fruit Tissues. T. van der Zwet, S. V. Thomson, R. P. Covey, and W. G. Bonn. Pages: 711-716 VIEW ABSTRACT  |   VIEW ARTICLE

Detection of Aphanomyces euteiches in Field Soil from Northern Idaho by a Wet-Sieving/Baiting Technique. John M. Kraft, Joanna Marcinkowska, and Fred J. Muehlbauer. Pages: 716-718 VIEW ABSTRACT  |   VIEW ARTICLE

Disease Notes

Rust on the Tropical Pasture Grass Brachiaria humidicola in South America. J. M. Lenné. Page: 720 VIEW NOTE

Apios americana and Trillium foetidissimum as New Hosts of Sclerotinia sclerotiorum. G. E. Holcomb. Page: 720 VIEW NOTE

Serrano Golden Mosaic Virus: A Newly Identified Whitefly-Transmitted Geminivirus of Pepper and Tomato in the United States and Mexico. J. K. Brown and B. T. Poulos. Page: 720 VIEW NOTE

External Infection Mechanism of Hypocotyls and Cotyledons of Cowpea Seedlings by Macrophomina phaseolina. C. J. deMooy and D. W. Burke. Page: 720 VIEW NOTE

Black Spot, a New Field Disease of Pear in Greece. C. C. Thanassoulopoulos, and E. D. Lazarides. Page: 720 VIEW NOTE

Special Topic

A Proposed International System for Designating Races of Plasmopara halstedii. W. E. Sackston, T. J. Gulya, and J. F. Miller. Pages: 721-723.  VIEW ABSTRACT  |  VIEW ARTICLE