Genetical relationships between reactions to bacterial leaf spot,yellow mosaic and Cercospora leaf spot diseases in mungbean (Vigna radiata) |
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| Authors: | R P Thakur P N Patel J P Verma |
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| Institution: | (1) Division of Mycology and Plant Pathology, Indian Agricultural Research Institute, New Delhi, India;(2) Present address: International Crops Research Institute for the Semi-Arid Tropics, Begumpet, 1-11-256, 500 016, A.P. Hyderabad, India;(3) Present address: IITA/USAID/Tanzania Legume Research Project, Ilonga ARI, Private Bag, Kilosa, Tanzania |
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| Abstract: | Summary Studies on the inheritance pattern of bacterial leaf spot (BLS), yellow mosaic (YM) and Cercospora leaf spot (CLS) reactions in crosses of BLS and YM resistant/tolerant but CLS susceptible × CLS resistant but BLS and YM susceptible parents indicated that resistances to BLS and CLS were governed by single dominant genes, whereas YM tolerance was a monogenic recessive character. The studies also indicated that these three genes were inherited independently. The simple inheritance pattern and independent assortment of the genes governing resistance/tolerance to these diseases suggest that the usual breeding methods will be adequate to develop multi-disease resistant mungbean cultivars.Paper XII in the series  Studies on resistance in crops to bacterial diseases in India . |
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| Keywords: | Vigna radiata mungbean Xanthomonas phaseoli Cercospora canescens yellow mosaic genetic relationship multi-disease resistance |
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