EFFICACY OF NEW INSECTICIDE MOLECULES FOR THE MANAGEMENT OF MAJOR SUCKING PESTS OF COTTON

R.S. MEENA¹, K. MEHRA²*, P. KUMAR^3
1Agricultural Research Station, Sriganganagar, 335001, Swami Keshwanand Rajasthan Agricultural University, Bikaner, 334 001, Rajasthan, India
²Agricultural Research Station, Sriganganagar, 335001, Swami Keshwanand Rajasthan Agricultural University, Bikaner, 334 001, Rajasthan, India
³Agricultural Research Station, Sriganganagar, 335001, Swami Keshwanand Rajasthan Agricultural University, Bikaner, 334 001, Rajasthan, India
* Corresponding Author : keshav.mehra35@gmail.com

Received : 13-09-2019     Accepted : 26-09-2019     Published : 30-09-2019
Volume : 11     Issue : 18       Pages : 9058 - 9060
Int J Agr Sci 11.18 (2019):9058-9060

Keywords : Spirotetramat, Spiromesifen, Jassid, Whitefly, Thrips
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Bayer Crop Science for providing financial support. The authors are also thankful to the Zonal Director Research, Agricultural Research Station, Sriganganagar, 335001, Swami Keshwanand Rajasthan Agricultural University, Bikaner, 334 001, Rajasthan, India.
Author Contribution : All authors equally contributed

An experiment was conducted at Agricultural Research Station, Sriganganagar, (SKRAU, Bikaner) to evaluate the bio-efficacy of new molecules for managing the important sucking pests of cotton viz., jassid, whitefly and thrips during the Kharif, 2014 and 2015. The insecticides viz., spirotetramat 150 OD (Movento 150 OD) @ 500, 600- & 700-ml ha-1, imidacloprid 17.8 % SL (Confidor 17.8 SL) 125 ml ha-1 and spiromesifen 240 SC (Oberon 240 SC) @ 600 ml ha-1 were applied two times at ETL during both the seasons. Among all the treatments, spirotetramat 150 OD @ 700 ml ha-1 was found most effective to control the jassid, whitefly and thrips while, imidacloprid 17.8 % SL @ 125 ml ha-1 was least effective. The order of bioefficacy on the basis of percent reduction of jassid, whitefly and thrips over control was: spirotetramat > spiromesifen > imidacloprid. The highest seed cotton yield of 22.42 and 19.32 q ha-1 was obtained from the treatment of spirotetramat 150 OD @ 700 ml ha-1 during Kharif, 2014 and 2015, respectively.

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