Bio-Efficacy of Milastin-K (Bacillus subtilis KTSB 1015 1.5 A.S.) as a Biofungicide for Management of Powdery Mildew Disease in Grapes under Field Conditions
Field bio-efficacy of Milastin-K (Bacillus subtilis KTSB-1015 1.5% A.S.) was conducted for the management of powdery mildew in grapes at National Research Centre for Grapes, Pune. Results compiled indicated that Milastin-K alone at 1.0 l/L and 2.0 ml/L sprayings (six) gave about 51.18% and 58.85% reduction in powdery mildew incidence respectively. Similarly, Milastin-K sprayings gave upto 22.48% higher yield over sulphur treatment. Likewise, four sprayings of systemic fungicides belonging to trizole group and then two spraying of Milastin-K @ 2.0 ml/L showed 99.98% control of powdery mildew on leaves and 92.31% control on bunches and increase in yield by 63.32% over sulphur treatment. Similarly, there was no any abnormality and phytotoxic effect observed by spraying Milastin-Kupto 2.0 ml/L alone or if sprayed after trizole fungicides. Therefore, Milastin-K a bio-fungicide fits well in integrated disease management and may be useful for export grape cultivation.
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