Generation means analysis of resistance to peanut bud necrosis caused by peanut bud necrosis tospovirus in peanut |
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| Authors: | V Pensuk S Jogloy S Wongkaew A Patanothai |
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| Institution: | Department of Agronomy, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002;School of Crop Production Technology, Institute of Agricultural Technology, Suranaree University of Technology, Nakorn Ratchasima 30000, Thailand |
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| Abstract: | This study was conducted to evaluate the types of gene action governing the inheritance of resistance to peanut bud necrosis disease (PBND) in populations derived from three crosses involving two resistant (ICGV 86388 and IC 10) and one susceptible (KK 60–1) peanut lines. Populations were composed of P1 P2, F1 F2, BC11, BC12, BC11S and BC12S. These populations were evaluated for PBND incidence in a farmer's field in Kalasin province in north‐east Thailand, where PBND is a recurring problem. Results showed variations between crosses in the relative contributions of different types of gene effect. The results indicate that multiple genes control the PBND resistance trait, and that the two resistant lines differ in some of these genes. As non‐additive gene effects are important in all three crosses, selection for low PBND incidence in these crosses would be more effective in later generations. |
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| Keywords: | Arachis hypogaea disease resistance generation mean analysis peanut bud necrosis tospovirus |
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