Plant Disease Research

The survey was carried out to find out status of Karnal bunt in major wheat growing regions of Haryana during Rabi season of 2015–16 and 2016–17. the results revealed that out of 1266 samples, only 562 samples (44.39%) were found infected with Karnal bunt. The overall range of infection was observed between 0.05–3.00 per cent which was exceeding the permissible limit of Indian Minimum Seed Certification Standards (IMSCS) for quality wheat production. the overall average infection was recorded 0.082 per cent and per cent average infection was maximum in Panipat (0.174%) followed by Jind (0.101%) while minimum was observed in Kaithal (0.025%) followed by sirsa districts (0.048%). Out of total samples, the maximum per centage of infected samples were found in Jind (52.04%) followed by Kurukshetra (49.71%) and Panipat districts (49.48%), whereas minimum per centage was in Kaithal (29.16%) followed by Ambala districts (31.57%). Among 26 grain markets surveyed, maximum average infected samples were found in Karnal (62.79%), followed by Pipli (61.36%), Uklana (61.22%), Barwala (60.00%), Bass (56.66%), Jundla (54.76%), Gharounda (54.34%), Tohana (54.05%), Narwana (53.12%), Ladwa (47.82%), Indri (45.45%), Matloda (45.09%), Jagadhari (44.77%) and Radaur (44.73%) whereas, minimum average infected samples were found in Mandi Adampur (15.78%) followed by Bhatto grain markets (22.22%). The samples collected from Pipli grain market recorded highest range of infection (0.05–3.30%) and minimum was found in Fatehabad grain market (0.05–0.10%). Overall 93 grain samples were having Karnal bunt infection above the prescribed limit of IMscs (0.25%).