Assessment of mungbean genotypes for durable resistance to Yellow Mosaic Disease: Genotype × Environment interactions

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• 作者：Ashok K. Parihar ; Ashwani K. Basandrai ; Asmita Sirari ; Dakshinamurthy Dinakaran ; Deepak Singh ; Kamala Kannan ; Kailash P. S. Kushawaha ; Maddineni Adinarayan ; Mohammad Akram ; Tnpalayam Krshnaswamy S. Latha ; Vaikuntavasan Paranidharan and Sanjeev Gupta
• 刊名：Plant Breeding
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：136
• 期：1
• 页码：94-100
• 全文大小：1155K
• ISSN：1439-0523

文摘

Yellow mosaic disease (YMD) is the major constraint of mungbean for realizing high productivity worldwide. Moreover, management of disease using YMD-resistant genotypes is the simplest approach. Therefore, based on a preliminary screening of 220 genotypes during the year 2010 and 2011 at 17 locations, a set of 25 genotypes was further selected to evaluate at six locations over 2 years for identification of more stable resistant genotypes. The genotype and genotype × environment (GGE) analysis indicated that the genotypes and environment effects were significant (P < 0.001) for YMD incidence. Interestingly, the GGE biplot analysis successfully accounted for 74.71 per cent of the total variation with three genotypes (ML 818, ML 1349 and IPM 02-14) showing high degree of resistance and stability over the locations. Notably, a strong positive association was observed between disease reaction and temperature, relative humidity and rainfall. As crop is grown in diverse growing environments, aforementioned genotypes can be used as stable/durable sources for future breeding programme to develop YMD-resistant cultivars.