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Vol. 10, Special Issue 11 (2021)

Field evaluation of bio-effectiveness of acephate 75% SP against insect pests of rice crop

Author(s):
Nihal R, Snigdha Samanta and Arunava Samanta
Abstract:
A field experiment was conducted at University Experimental Farm, ‘C’ Unit, BCKV, Kalyani, Nadia, West Bengal to evaluate insecticide moleculesagainst yellow stem borer, Leaf folder and hopper pest inrice variety “IET-4786”comprising seven treatments including control and three replication in randomized blockdesign. Experimental results revealed that Acephate 75% SP (KREPL) applied @ 750 g a.i./ha gave best results for insect population control viz. count of % dead hearts at 45 DAT (2.13%), white ear head count at harvest (1.54%) due to the incidence of yellow stem borer, GLH, Hopper population count (1.63 and 2.94 respectively) and grain yield/ha (34.51q/ha)., followed by Acephate 75% SP (KREPL) @ 500 which recorded 3.58% dead hearts, 1.86% white ear heads at harvest, 2.28% leaf damagae by leaf folder, 1.85 and 3.24 GLH and hopper scoring respectively compared to Fipronil 5% EC and Chlorpyrifos 20% EC which was moderately effective in controlling rice pests.
Pages: 208-210  |  491 Views  229 Downloads
How to cite this article:
Nihal R, Snigdha Samanta and Arunava Samanta. Field evaluation of bio-effectiveness of acephate 75% SP against insect pests of rice crop. The Pharma Innovation Journal. 2021; 10(11S): 208-210.

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