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 |
Field experiment was conducted at Crop Research Station, Narendra Deva University of Agriculture and Technology, Kumarganj, Faizabad, Uttar Pradeshto evaluate new molecules of insecticides, viz., Fipronil 5%SC, Imidacloprid 17.8%SL, Chlorantaniliprole 0.4G, Cartap hydrochloride 50% SP, Carbofuran 3G, Monocrotophos 36%SL and Carbosulfan 6G against yellow stem borer, Scirpophaga incertulas infesting rice during kharif, 2015-16. All the tested insecticides showed varied nature of efficacy against S.incertulas which minimizes the incidence of dead hearts caused by S.incertulas in rice after first days of insecticides application along with white ear heads after second days of insecticides application as compared to water spray i.e. untreated control. However, the lowest number of dead hearts and white ear heads of rice was recorded by liquid insecticides than granular insecticides. Among the tested insecticides, Fipronil 5%SCwas reduced the dead heart of rice after first dose of insecticide application and it also reduced the white ear heads of rice after second dose of insecticide application at 3, 10 and 15 days, respectively. The order of efficacy of tested insecticides after first dose of insecticides application was Fipronil 5%SC > Chlorantaniliprole 0.4G > Carbosulfan 6G > Carbofuran 3 G > Cartap hydrochloride 50%SP > Imidacloprid 17.8%SL > Monocrotophos 36%SL. While, the order of efficacy of tested insecticides was recorded to be Fipronil 5%SC > Carbosulfan 6G ≥ Cartap hydrochloride 50%SP > Chlorantaniliprole 0.4G > Carbofuran 3G > Monocrotophos 36%SL > Imidacloprid 17.8%SL, respectively after second dose of insecticides application.
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