Diversity of Phytophthora capsici in Northwest Spain: Analysis of Virulence, Metalaxyl Response, and Molecular Characterization.
作者： C. Silvar , F. Merino , J. Díaz
DOI: 10.1094/PD-90-1135
关键词:
摘要: ABSTRACT Phytophthora crown rot, caused by capsici, is potentially the most destructive disease of pepper in Spain. Phenotypic and genetic diversity 16 P. capsici isolates collected from 11 farms northwest Spain was characterized based on virulence, mating type, sensitivity to metalaxyl, analysis using random amplified polymorphic DNA (RAPD) methods. Low variability observed among their metalaxyl response, with 87.5% being highly sensitive. No A2 type were detected. More found virulence assay, classified into two groups according pathogenicity a set four cultivar differentials. Genetic variation examined eight RAPD primers generated 92 bands revealed existence different patterns isolates. Cluster unweighted pair-group method arithmetic averages (UPGMA) separated Spanish three esta...
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