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 |
In order to determine the comparative efficacy of some bio-agent (Bacillus thuringiensis and Beauveria bassiana) and botanicals (neem oil, NSKE, Neem leaf, tobacco, dhatura and Lantana camera) along with an untreated control against Plutella xylostella. Field trial was conducted during rabi season 2016-2017. Each insecticide was sprayed twice at 15 days interval. The larval count per plant was taken day before and 3, 7 and 14 days after each spray. All the insecticides tested significantly reduced the pest population compared to control. The highest percent reduction of diamondback moth larvae against control was observed in Bacillus thuringiensis (61.22%). The mean crop yield ranged between 211 q/ha to 371 q/ha in the insecticidal treatment, the highest being Bacillus thuringiensis (371 q/ha) followed by Neem oil (331 q/ha). The cost benefit ratio varied from 1:3.1 to 1:6.9 in different insecticidal treatments, the highest in NSKE (1:6.9) followed by Neem oil (1:6.8).
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