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Vol. 6, Issue 11 (2017)

Efficacy of eco-friendly insecticides against yellow stem borer under kharif rice-crop-ecosystem of Manipur valley

Author(s):
IY Longkumer, KI Singh and Abhinandan Singh
Abstract:
The Efficacy of botanicals was evaluated during Kharif, 2015 at the Entomological Research Farm of College of Agriculture, Central Agricultural University, Imphal against Yellow Stem Borer (Scirpophaga incertulas Walker) under kharif Rice-Crop-Ecosystem of Manipur valley. Among the various eco-friendly insecticides field evaluated against the Lepidoterous pest, (Acephate 50% + Imidacloprid 1.8) 51.8 SP@750 g a.i. ha-1 (2.11% DH) was found most effective against the yellow stem borer with a record of lowest Dead Heart damage.The maximum dead heart percent was recorded in plots treated with EMFPE @ 2500 ml/ha(3.92% DH).The pooled mean data further indicated that (Acephate 50% +Imidacloprid 1.8) 51.8 SP@750 g a.i. ha-1 proved to be the most effective insecticidal treatments in reducing white ear head (WEH) incidence with a record of 1.61% WEH as against 2.23% in untreated control.
Pages: 19-21  |  391 Views  13 Downloads
How to cite this article:
IY Longkumer, KI Singh and Abhinandan Singh. Efficacy of eco-friendly insecticides against yellow stem borer under kharif rice-crop-ecosystem of Manipur valley. 2017; 6(11): 19-21.
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