Screening of some blackgram (Vigna mungo (L.) Hepper) genotypes for resistance to yellow mosaic virus during summer season

Abstract

Seed Yield of mungbean is severely hampered especially in summer season by yellow mosaic virus (YMV) transmitted by white fly (Bemisia tabaci). The absence of resistant/tolerant varieties against YMV disease leads to tremendous crop yield losses. An experiment was conducted in the Instructional Farm of RKMVERI, Narendrapur, Kolkata, West Bengal during summer season 2017 and 2018. Twenty genotypes were screened for yellow mosaic virus resistance. Out of these twentygenotypes, four genotypes namely RSU-03, TU-22, Pant-U-31 and RSU-06 were found to be resistant against yellow mosaic virus whereas nine genotypes namely Sarada, RSU-44, RSU-46, Sulata, VBG11-053, Goutam, TJU-24, KUG-725 and Uttara showed moderate resistance for Yellow Mosaic Virus disease. Others were showed either Moderate to high Susceptibility against the disease.