Effect of Chitosan and Biocontrol Agents in the Management of Foot Rot in Finger Millet
Poojarani Malagitti, N. Umashankar, H. R. Raveendra, Shivashankargouda Patil
Journal of Advances in Biology & Biotechnology · pp. 81–89 · Published 20 Apr 2026
10.9734/jabb/2026/v29i53891Abstract
Foot rot of Finger millet caused by Sclerotium rolfsii is a leading constraint for the farmers under both irrigated and rainfed conditions. For the management of this problem an eco-friendly approach was taken up using chitosan and biocontrol agents, as they are known to have spin-off benefit of activating innate defense mechanisms and promoting higher yields. To evaluate the effect of chitosan and bio-agents on foot rot disease in ragi crop, a field experiment was taken up with 15 different treatments in combination of different chitosan (0.15%, 0.20% and 0.25%) concentration and bio-control agents and also chitosan alone with control. Chitosan @ 0.25% with bio-control agents, was proven effective in reducing the percent disease incidence. The disease incidence was 1% @ 30DAT, 2.68% @ flowering and 6.84% @ maturity stages. Among 15 different treatments, treatment T15 also promoted higher productivity with 41.33g seed weight/5 ear head. The results revealed that Chiotosan @ 0.25% with biocontrol agents can be one of the eco-friendly management practice’s for the control of Sclerotium rolfsii in Finger millet.
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