Status of yellow mosaic virus and whitefly bemisia tabaci biotypes on mungbean in Southern Karnataka
2013
Manjunath, B. | Jayaram, Neetha | Muniyappa, V.
Mungbean Yellow Mosaic Virus (MYMV) isa serious pathogen on Mungbean in southern Karnataka where the crop is grown during early kharif by making use of pre monsoon showers. Survey of major mungbean growing areas ofSouthern Karnataka indicated the occurrence of disease ranging from 31.49 to 100 per cent. The highest average incidence (79.54%) was recorded in Turnkur district followed by Chickrnagalur (59.73%), Hassan (56.57%), Shimoga (56.71%), Mysore (51.88%), Davanagere (51.09%), Chitradurga (48.11%) and Mandya district (45.58%). The RAPD analysis of whitefly samples collected in the surveyed areas has indicated the occurrence of B biotype Bemisia tabaci. The occurrence of B biotype of B. tabaci and large scale cultivation of susceptiblevarieties are implicated as the reasons for increased incidence of MYMV in these areas.
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Эту запись предоставил Indian Council of Agricultural Research