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
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
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)
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.
Pieris brassicae; Bio-efficacy; Eco-friendly; Cabbage; Botanicals; Microbial