Applied and Natural Science Foundation
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Journal of Applied and Natural Science
An International Journal | Print ISSN: 0974-9411 | Online ISSN: 2231-5209
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Abstract
Journal of Applied and Natural Science 7 (2): 725-728 (2015)
Evaluation of buprofezin 70 DF an insect growth regulator for eco-friendly management of jassid (Amrasca bigutulla bigutulla Ishida) in okra, Abelmoschus esculentus (L.) Moench
T. B. Maji1*, T. N. Goswami2, A. K. Das1, P. Purkait1 and A. K. Mukhopadhyay1
1Department of Agrilcultural Entomology, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, Nadia-741252, (West Bengal), INDIA
2Department of Entomology, Bihar Agricultural University, Sabour, Bhagalpur-813210, (Bihar), INDIA
*Corresponding author. E-mail: tarakmaji87@gmail.com
Abstract : Field experiments were carried out for two seasons in 2012 to evaluate the efficacy of a new formulation of buprofezin (buprofezin 70 DF) against jassid (Amarasca biguttula biguttula Ishida) in okra, Abelmoschus esculentus (L.) Moench. The insecticide was applied at 200 and 150 g a.i./ha at the ETL level of the insect (2 Jassids/leaf) and the performance of the same was compared with imidacloprid 17.8 SL @ 20 g a.i./ha, acephate 75 SP @ 562.5g a.i./ha and an untreated control. Results revealed that both the dosages of buprofezin 70 DF were significantly superior over the untreated control at 5 % level of significance. Buprofezin 70 DF at 200 and 150 g a.i./ha performed better over the other treatments with 88.81 and 85.96 % reduction during first season and 89.60 and 84.73% reduction during second season, respectively. Buprofezin , an insect growth regulator which had less or no hazardous effects on human health and environment and thus it can be incorporated in Integrated Pest Management programme in okra cultivation.

Keywords : Amrasca bigutulla bigutulla, Buprofezin, Insect growth regulator, Jassid, Management, Okra
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