Abstract
The present study employed recombinant inbred lines (RILs) derived from the cross between a susceptible cultivar Sonali and resistant wild relative of mungbean (Vigna radiata var. sublobota to map molecular markers linked with mungbean yellow mosaic Indian virus (MYMIV) resistance and yield attributing traits in mungbean. Resistance to the virus was evaluated in RIL population under field conditions during two consecutive years 2013 and 2014. A set of 224 molecular markers were employed for the identification of polymorphism between parents. Only 46 markers showed polymorphism between Sonali and V. radiata var. sublobota. Twenty two polymorphic markers were used to construct a linkage map comprising 11 linkage groups. QTL analysis identified molecular markers linked with MYMIV resistance and agronomic traits viz., no. of pods per plant, no. of seeds per pod and 100seed weight. Molecular markers identified to be linked with MYMIV were confirmed in 93 diverse mungbean accessions screened for yellow mosaic disease. The molecular markers linked to the MYMIV and yield attributing traits identified in this study will be useful in marker assisted breeding for development of high yielding mungbean varieties resistant to MYMIV.
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