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AKM Mahbubul Alam,Prakit Somta,Choosak Jompuk,Prasert Chatwachirawong,Peerasak Srinives 한국식물병리학회 2014 Plant Pathology Journal Vol.30 No.3
This work was conducted to identify mungbean genotypesshowing yield stability and resistance to mungbeanyellow mosaic virus (MYMV) disease. Sixteen genotypes were evaluated in a randomized complete block design with two replications for two years (2011 and 2012) at three locations (Gazipur, Ishurdi and Madaripur) of the Bangladesh Agricultural Research Institute. An analysis of variance exhibited significant effects of genotype (G), environment (E), and genotype × environment (G×E) on grain yield. Among eight agronomiccharacters, the principal component 1 (PC1) was always higher than the PC2. Considering G×E interaction, BM6 was the best genotype at all three locationsin both years. Based on grain yield and stability performance, BM6 ranked first while the worst performinggenotypes were BM1 and G10. Based on discriminationand representation, Gazipur was identified as an ideal environment for these mungbeans. Relationshipbetween soil-plant analysis developments (SPAD) value was positive with yield but negative with MYMV severity. BM6, G1 and G2 were considered as promisingsources of resistance for low disease score and stable response across the environments. The environment proved to have an influence on MYMV infection under natural infestation. A positive correlation was observed between disease score and the temperature under naturalgrowing condition.