Identification of urdbean genotypes with horizontal resistance to Colletotrichum truncatum, a leaf spot pathogen
Horizontal resistance to Colletotrichum truncatum in 12 selected lines of Vigna mungo was studied on the basis of components of disease resistance viz., incubation period, lesion size, lesion number per leaf and spore intensity. Based on these components, HPBU 71 was the most promising genotype possessing resistance to the majority of the pathogen isolates. HPBU 125 and Palampur 93 also showed comparatively more resistance to the eleven pathogen isolates collected from different V. mungo growing areas of Himachal Pradesh, India.
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