STATUS OF MUNGBEAN YELLOW MOSAIC VIRUS (MYMV) ON FRENCHBEAN IN DIFFERENT AGRO-CLIMATIC ZONES OF KARNATAKA, INDIA
Journal Title: International Journal of Agriculture Sciences - Year 2017, Vol 9, Issue 11
Abstract
Mungbean Yellow Mosaic Virus(MYMV) is the most serious pathogen on french bean in Karnataka, where the crop is grown in kharif by making use of pre-monsoon showers. The survey was conducted to know the MYMV incidence in different agro-climatic zones of Karnataka during 2014-15. Results of the survey indicated that the disease incidence ranges from 5.88 to 28.54 per cent. The highest average incidence of 26.46% was recorded in Kolar district from Eastern dry zone fallowed by Chikkaballapur (26.21%), Bangalore Rural (25.19%), Ramanaga r(23.58%). In the severely infected fields, the occurrence of whiteflies and large scale cultivation of susceptible varieties which is growing continuously in the same area were implicated as the reasons for increased incidence of MYMV. The variations in disease incidence might be due to the difference in temperature and relative humidity which may have a direct influence on vector population and its feeding behavior
Authors and Affiliations
T. C. ARCHITH, V. DEVAPPA, PRASHANT . , PRIYA I. NAGANUR
Keywords
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