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Occurrence of Cucumber Mosaic Virus (CMV) in Cucumber (Cucumis sativus L.) Growing Areas of Bagalkot, District of Karnataka

A roving survey was conducted in six taluks of Bagalkot districts during 2018-19 for the per cent disease incidence of cucumber mosaic virus (CMV) and aphids ƉŽƉƵůĂƟŽn in top three leaves. In the CMV infected plants, yellow to dark green mŽƩůŝnŐ͕ crackling and downward curling were typical symptoms. This virus is ƚƌĂnƐmŝƩĞĚ by aphids in a nonpersistent manner. During survey it was observed that, the disease incidence ranged from 13-66%. Highest mean incidence of disease was nŽƟcĞĚ in Badami taluk (49.58%) whereas disease incidence lowest in Jamakhandi taluk (29.50%). More number of aphids ƉŽƉƵůĂƟŽn was observed in Badami (18.10) and least ƉŽƉƵůĂƟŽn in Jamakhandi (10.75).

Author(s): Tejashwini NK, Ambika DS, Basavarajappa MP, Venkateshalu, Rudresh DL and Shashikanth Evoor

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