Occurrence of Karnal bunt and black point disease of wheat in northern part of Haryana

Karnal bunt and black point are major issues in Haryana's seed production programmes, reducing the quality of wheat seed. During rabi season 2021-22, a survey was conducted to determine status growing regions covering 11 districts northern Haryana, viz., Hisar, Yamunanagar, Sirsa, Fatehabad, Ambala, Jind, Kurukshetra, Kaithal, Karnal, Panipat, Sonipat. A total 849 grain/seed samples were collected from 49 grain markets producers as part survey. The results revealed that range infection between 0.05–0.40 0.05-2.25 per cent respectively these which exceeding permissible limit Indian Minimum Seed Certification Standards (0.25%) for production. For bunt, infected 281 (33.09%) rejected 4 (0.47%) having more than 0.25 cent. While 740 (87.16%). maximum average found (0.413%), Hisar (0.278%) Kurukshetra (0.273%) minimum recorded Sirsa (0.012%), Ambala (0.077%) Fatehabad (0.104%). Maximum Sonipat (0.218%) followed by (0.189%) lowest (0.042%) (0.082%).