National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
The present study was conducted during consecutive Kharif season of 2014-2015. An experiment was conducted to evaluate the efficacy of selected fungicide, bio-agents, botanicals against powdery mildew (Erysiphe polygoni). To manage the disease on investigation was carried out in the Department of Plant Pathology, SHIATS- DU, Allahabad to evaluate the efficacy of bio-agents viz., Pseudomonas fluorescens @ 2%, Trichoderma viride @ 2.5%, Trichoderma harzianum @ 2.5%, plant extracts viz., neem leaf extract @ 10%, garlic clove extract @ 10% and fungicide viz., Carbendazim @ 0.1% against powdery mildew (Erysiphe polygoni). In-situ (field) experiment was carried out in randomized block design with seven treatments and three replications. T. viride @ 2.5% was found to be most effective treatment and recorded minimum disease intensity (15.98%) followed by Pseudomonas fluorescens @ 2% (18.04%), T. harzianum @ 2.5% (20.26%), neem leaf extract @ 10% (21.55%), garlic clove extract @ 10% (22.87%) and fungicide viz., Carbendazim @0.1% (14.27%). Use of T. viride @ 2.5% (65.99 cm) recorded maximum plant height (42.62 cm and 65.99 cm at 45 and 75 DAS, respectively). Maximum number of pods was recorded in T. viride (13.30 and 14.27, respectively) followed by P. fluorescens (13.00% 14.07%, respectively) as compared to control which reordered minimum number of pods per plant (8.50 and 9.60, respectively). The highest seed weight (g/plot) was recorded in T.viride (37.95 g) followed by P. fluorescens (37.47 g) as compared to T0).
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