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Estimation of genetic variability among peanut genotypes for resistance to leaf spot disease

Author(s): Q. Bano, M. Hassan, S.B. Hussain, M. Javed, M.A. Zulfiqar, M. Younas, M. Baber, M. Zubair and S.M. Hussain

This study aimed to identify high-yielding peanut genotypes with resistance to leaf spot disease. The experimentsincluded material from fourteen local and four exotic peanut genotypes that showed highly significant differences among morphological and disease severity parameters in all the genotypes which, in turn, suggested diversity genotypes. Disease severity analysis showed that the highest disease score and damaged leaf area were observed in the genotype Kelincer and the lowest scores and leaf damaged areas were observed in Majalaya super and BARI-2000, respectively. Based on these results, the genotypes BARI-2011, Chakori, Golden, BARI-89, Majalaya Super, BARD-699, BARI-2000, SP-1, and No. 334 can be used by breeders in peanut improvement programs for the development of new cultivars with higher disease resistance and increased yield.