Abstract
Blast of rice caused by Pyricularia grisea (Cooke.) Sacc. (Teleomorph :Magnaporthe oryzae) is a serious disease of rice and causes considerable reduction in yield. Overdose and untimely application of chemical fungicides disturb the rice ecosystem, pollute the environment and induce resistant mutants of the pathogen. An ecofriendly integrated disease management programme should be implemented to avoid overuse of a single control method and fight against genetic resistance. Salicylic acid (0.01ml/ l) and Benzoic acid (0.01ml/ l) proved superior in inducing disease resistance among different inducers tested at Regional Agricultural Research Station, Pattambi, Palakkdad district, under Kerala Agricultural University under green house conditions. As an integrated approach, Palmarosa oil + Carbendazim and Palmarosa oil+ Salicylic acid were the most effective treatments .Compatibility studies under in vitro conditions showed that Trichoderma harzianum and fluorescent pseudomonad were compatible to each other, and also palmarosa oil and Neemazal were compatible with Trichoderma harzianum and Fluorescent pseudomonad. For the management of blast disease under field conditions with high B:C ratio, Palmarosa oil (0.1%) + Carbendazim (0.1%)was the best treatment followed by Trichoderma (2%) + Fluorescent pseudomonad (2%)+ Palmarosa oil (0.1%).
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
