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International Journal of Applied Agricultural & Horticultural Sciences
  • 29 April, 2024
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Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
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Vol. 5 (3) : May-June 2014 issue
Green Farming Vol. 5 (3) : 495-498 ; May-June, 2014
Bio-efficacy of newer insecticides/ bio-pesticides against Helicoverpa armigera (Hub.) on chickpea (C. arietinum)
SUBHASH CHANDRA1*, VEER SINGH2 and U.S. NANDA3
Deptt. of Entomology, College of Agriculture, S.K. Raj. Agricultural University, Bikaner - 334 006 (Rajasthan)
Designation :  
1P.G. Student *(mr.subhashento@rediffmail.com), 2,3Assoc. Professor
Subject : Entomology
Paper No. : P-1197
Total Pages : 4
Received : 14 November 2013
Revised accepted : 05 May 2014
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Citation :

SUBHASH CHANDRA, VEER SINGH and U.S. NANDA. 2014. Bio-efficacy of newer insecticides/ bio-pesticides against Helicoverpa armigera (Hub.) on chickpea (C. arietinum). Green Farming  Vol. 5 (3) : 495-498  ;  May-June, 2014

ABSTRACT
A field experiment on management of Helicoverpa armigera (Hubner) on chickpea was conducted at Research Farm, College of Agriculture, Bikaner, Rajasthan during rabi season. The experiment on evaluation of the bio-efficacy of nine newer insecticides/bio-pesticides revealed that indoxacarb (0.007%) proved as the most effective treatment followed by emamectin benzoate (0.0025%) which is at par with spinosad (0.0068%) in reducing larval population as well as per cent pod damage and resulted higher yield than rest of the treatments. The treatment of endosulfan (0.07%) was found moderately effective in reducing pod borer population while NPV (450 LE ha-1), B.t. (1 gm/lit.), azadirachtin (0.5%), NSKE (5.0%) and lufenuron (0.0025%) were found least effective in terms of reducing the pest population as well as per cent pod damage. The maximum yield was obtained in the treatment of indoxacarb (15.84 q ha-1), while minimum yield with Bt (10.97 q ha-1) treatment. The yield in the untreated control was 10.15 q ha-1.
Key words :
Bio-efficacy, Bio-pesticides, Chickpea, Helicoverpa armigera.