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Biological control of bacterial spot of tomato using hrp mutants of Xanthomonas campestris pv. vesicatoria
This study is significant not only for the selection of a biological control agent superior to previously selected strains and comparable in efficacy to the plant activator acibenzolar- S -methyl, but also for the finding that not all hrp mutants of a given bacterial strain are equally effective as biological control agents of that pathogen. Expand
Biological control of bacterial spot of tomato under field conditions at several locations in North America
Neither the bacterial strains nor the standard copper bactericides consistently reduced disease incidence on fruit. Expand
Efficacy and Economics of Management Strategies to Control Anthracnose Fruit Rot in Processing Tomatoes in the Midwest.
Based on data from this study, it is not commercially feasible to grow processing tomatoes in Michigan and Indiana without chlorothalonil to protect against AFR even when a resistant cultivar is used. Expand
Conidial Germination and Appressorium Formation of Colletotrichum coccodes on Tomato Foliage.
Conidial germination and infection processes of Colletotrichum coccodes were quantified on foliage of processing tomatoes by inoculating two opposing terminal leaflets removed from a fully expanded leaf with coccodes conidial suspension. Expand
The National Plant Diagnostic Network.
The National Plant diagnostic Network (NPDN) focuses on the plant diseases and pest aspects of the program, and will provide the means necessary for ensuring all participating Land Grant University diagnostic facilities are alerted of possible outbreaks and/or introductions and are technologically equipped to rapidly detect pests and pathogens. Expand
Improved Diagnoses and Quantification of Fusarium virguliforme, Causal Agent of Soybean Sudden Death Syndrome.
A TaqMan qPCR assay based on the ribosomal DNA (rDNA) intergenic spacer (IGS) region of F. virguliforme that is transferable across platforms, as validated on the primary real-time PCR platform used in the Northcentral region of the National Plant Diagnostic Network. Expand
Influence of Dew Period and Temperature on Foliar Infection of Greenhouse-Grown Tomato by Colletotrichum coccodes.
Effects of temperature, duration of leaf wetness, and leaf position on foliar infection of greenhouse-grown tomato (cv Bonnie Best) by Colletotrichum coccodes were determined, with leaves tending to increase in susceptibility as they age. Expand
Epidemiology of Stemphylium leaf spot and purple spot in no-till asparagus.
Factors Affecting Concentrations of Airborne Conidia of Oidium sp. Among Poinsettias in a Greenhouse.
Atmospheric concentrations of Oidium sp. conidia in two research greenhouses containing infected poinsettias were monitored to investigate the role of environment in prompting conidial release and… Expand
Early Detection of Asian Soybean Rust Using PCR
The ability to reliably detect ASR in soybean before the presence of readily visible symptoms is demonstrated and the reproducibility of the PCR assay across different real-time PCR platforms at multiple laboratories when the assays were performed in multiple diagnostic laboratories is demonstrated. Expand