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Research Article Open access CC BY 4.0

Survey for Status of Purple Blotch of Garlic in the Major Garlic Growing Districts of Karnataka, India

Arunakumara K.T., Amaresh Y.S., Yenjerappa S.T., Aswathanarayana D.S., Mahadevaswamy, Shekharagouda Patil, Sangappa V. Patil

Journal of Advances in Biology & Biotechnology · pp. 1405–1421 · Published 30 Dec 2025

10.9734/jabb/2025/v28i123481

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 %).

Disease severity garlic per cent disease index purple blotch roving survey

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