Survey for Status of Purple Blotch of Garlic in the Major Garlic Growing Districts of Karnataka, India
ARUNAKUMARA K.T. *
Department of Plant Pathology, College of Agriculture, University of Agricultural Sciences, Raichur-584104, Karnataka, India.
AMARESH Y.S.
Department of Plant Pathology, College of Agriculture, University of Agricultural Sciences, Raichur-584104, Karnataka, India.
YENJERAPPA S.T.
Department of Plant Pathology, College of Agriculture, University of Agricultural Sciences, Raichur-584104, Karnataka, India.
ASWATHANARAYANA D.S.
Department of Plant Pathology, College of Agriculture, University of Agricultural Sciences, Raichur-584104, Karnataka, India.
MAHADEVASWAMY
Department of Agricultural Microbiology, College of Agriculture, University of Agricultural Sciences, Raichur-584104, Karnataka, India.
SHEKHARAGOUDA PATIL
Department of Horticulture, College of Agriculture, University of Agricultural Sciences, Raichur-584104, Karnataka, India.
SANGAPPA V. PATIL
College of Horticulture, Bidar-585403, Karnataka, India.
*Author to whom correspondence should be addressed.
Abstract
An intensive roving survey was undertaken during Kharif/rabi 2021-22 and 2022-23 in major garlic growing regions viz., Chitradurga, Mysore, Chamarajanagar, Bidar, Kalaburagi, Vijayapura, Bagalkote, Gadag, Belagavi and Haveri districts of Karnataka. Totally 20 villages of 7 taluks and three districts were surveyed during Kharif 2021-22. Maximum mean per cent disease severity was observed in Chitradurga district (23.77 %) whereas, minimum mean per cent disease severity was noticed in Mysuru district (13.03 %). Totally 75 villages of 22 taluks and seven districts were surveyed during rabi 2021-22. Maximum mean per cent disease severity was observed in Belagavi district (42.95 %) whereas, minimum mean per cent disease severity was noticed in Gadag district (19.64 %). Totally 20 villages of 7 taluks and three districts were surveyed during Kharif 2022-23. Maximum mean per cent disease severity was observed in Chitradurga district (24.24 %) whereas, minimum mean per cent disease severity was noticed in Mysuru district (13.15 %). Totally 75 villages of 22 taluks and seven districts were surveyed during rabi 2022-23. Maximum mean per cent disease severity was observed in Belagavi district (42.12 %) whereas, minimum mean per cent disease severity was noticed in Gadag district (25.03 %).
Keywords: Disease severity, garlic, per cent disease index, purple blotch, roving survey