Epidemiology and Management of MYMV Disease in Mung Bean (Vigna radiata (L.))

Mung bean is a short-duration ancient legume crop that can be grown as sole or intercrop for grain and green manure in all three seasons, including winter, summer rainy various regions of the country. MYMV (Mungbean Yellow Mosaic Virus) disease one most destructive diseases transmitted by whitefly (Bemisia tabaci Genn) persistently. Weather parameters have no direct effect on MYMV, but affect population. Field experiments were conducted consecutive years from 2019-2021 to know weather Development population severity recorded mungbean crops at 7 days interval starting 20 after sowing (DAS). The present study showed builds up July reached maximum end August early September. There are factors influencing build-up viz., temperature 36±2°C, minimum 25±2°C, morning relative humidity more than 90 percent, sunshine hours rainfall prevailing during period. Whitefly had positive significant correlation with bright while evening negatively significant. Three-year data very helpful guiding farmers timely preventive sprays based existing infections season.