Bio-efficacy of Eco-friendly Insecticides against Cabbage Butterfly, Pieris brassicae (L.) on Cabbage in the Mid Altitudes Hills of Meghalaya, North East India  

Ridalang W. Rangad1 , Damitre Lytan2 , Waluniba 2 , D.M. Firake3
1. Department of Agriculture, Krishi Vigyan Kendra, West Jaińtia Hills District, Jowai- 793150, Meghalaya, India
2. Department of Entomology, School of Agricultural Sciences and Rural Development (Nagaland University), Medziphema Campus-797106, Nagaland, India
3. Division of Crop Improvement (Entomology), ICAR Research Complex for North Eastern Hill Region, Umroi road, Umiam-793103, Meghalaya, India
Author    Correspondence author
Molecular Entomology, 2014, Vol. 5, No. 8   doi: 10.5376/me.2014.05.0008
Received: 30 Oct., 2014    Accepted: 12 Nov., 2014    Published: 23 Dec., 2014
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Preferred citation for this article:

Rangad et al., 2014, Bio-efficacy of Eco-friendly Insecticides against Cabbage Butterfly, Pieris brassicae (L.) on Cabbage in the Mid Altitudes Hills of Meghalaya, North East India, Molecular Entomology, Vol.5, No.8 1-3 (doi: 10.5376/me.2014.05.0008)

Abstract

In this study nine eco-friendly insecticides viz., Annonin, Azadirachtin (oil base 300 ppm), Neem Seed Kernel Extract 300 ppm, Garlic Extract (1%), Karanjin, Bacillus thuringiensis (Bt), Beauveria bassiana, Spinosad 45 SC and Endosulfan 35 EC were tested for their bio-efficacy against Pieris brassicae (L.) on cabbage. After fifteen (15) days of spray it was found that endosulfan, annonin and spinosad killed maximum number of larvae with 98.65%, 98.47% and 97.84% mortality respectively. Among the botanicals, annonin was found to be the most effective whereas for microbial, spinosad was found to give maximum control.

Keywords
Pieris brassicae; Bio-efficacy; Eco-friendly; Cabbage; Botanicals; Microbial
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