alexa Impact Of IPM On Bt-cotton
ISSN: 2168-9881

Agrotechnology
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2nd International Conference on Agricultural & Horticultural Sciences
Radisson Blu Plaza Hotel, Hyderabad, India February 03-05, 2014

Palanisamy Saravanan, S Divya, P Venkatesan, R K Tanwar, C Chattopadhyay, P Jayakumar, S M Kolhatkar and Anupam Barik
Posters: Agrotechnol
DOI: 10.4172/2168-9881.S1.008
Abstract
Cotton ( Gossypium spp. ) is the most important commercial crop in India and plays a vital role in agricultural, industrial, social and monetary affairs of the country. The insect pests are one of the major constraints in achieving optimum yield potential. The insect pest complex of cotton crop has undergone a tremendous change owing to many reasons, viz. , adoption of Bt cotton, change of ecological scenario, use of unrecommended insecticides, excessive use of inputs at over/under dosages etc. Therefore, integrated pest management strategies were implemented at farmers field during 2012 to 2013 in 20 cotton growing villages of Perambalur district to control insect pests of Bt cotton under rainfed condition. In each village we have selected 6 cotton fields which were growing RCH 2 BG II Bt cotton hybrid. The IPM technologies like inter cropping, border cropping, setting up of yellow sticky traps, use of 5% NSKE and pest repellent, release of parasitoids for papaya mealybug management, use of recommended insecticides on economic threshold basis etc., were implemented in five cotton fields. One non IPM cotton field was maintained as a control field in each village. The pest and natural enemies populations were recorded in each IPM and non IPM cotton field at weekly intervals. The population of natural enemies per plant (coccinellids, Chrysoperla , spiders, Acerophagus papayae ) was higher in IPM fields (0.35 0.18, 0.31 and 15.4) respectively than in non-IPM plots (0.35, 0.18, 0.31 and 15.4). The spray cost ( ` /ha) and cost of cultivation ( ` /ha) were higher in non IPM farmers fields (14,750, 71,620) respectively, as compared to IPM farmers field (9,062, 53,830). The seed cotton yield (q/ha), Benefit cost ratio and Net profit ( ` /ha) were higher in IPM farmers (23.18, 1:2.17 and 62,142) as compared to (18.25, 1:1.57 and 38,512) in non IPM farmers.
Biography

Palanisamy Saravanan has completed his M.Sc. in Zoology during 2006 from Bharathidasan University, Trichy, Tamil nadu and MPhil studies from Periyar University, Salem, Tamil Nadu during 2007. He has worked as a Project Assistant in National Research Centre for Banana (ICAR), at Trichy, Tamil Nadu, India from September 2006 to July 2009. He is working as a District Project Officer under the project National Information System for Pest Management in Bt cotton in Krishi Vigyan Kendra, Perambalur, Tamil Nadu from 2009 onwards. He has published 3 research papers in reputed journals, 1 book, 6 pamphlets and 8 popular articles from 2009 till date.

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