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Journal of Plant Disease Sciences
Year : 2009, Volume : 4, Issue : 2
First page : ( 215) Last page : ( 217)
Print ISSN : 0973-7456. Online ISSN : 0976-2388.

Conidial Size of Erysiphe Polygoni Influenced by the Host Reaction

Gupta V. R., Mate G. D.

Assistant Professor of Plant Pathology, College of Agriculture, Akola

Abstract

Erysiphe polygoni causing pea powdery mildew was infectious to green gram & black gram. Similarly the pathogen from green gram & black gram showed cross-infectivity when inoculated on pea. The size of conidia differ in different host. Conidia also varied in size on different cultivars of the same host. Susceptible cultivars showed increases size conidia than resistant and moderately resistant in all the three crops. Similarly on resistant cultivars the size of conidia reduced when inoculated from susceptible or highly susceptible cultivars.

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Keywords

Erysiphe polygoni, host reaction, conidial morphology, micrometry.

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