Control of termites and other soil pests of groundnuts with special reference to controlled release formulations of non-persistent insecticides in India and Sudan

Logan, J W M and Rajagopal, D and Wightman, J A and Pearse, M J (1992) Control of termites and other soil pests of groundnuts with special reference to controlled release formulations of non-persistent insecticides in India and Sudan. Bulletin of Entomological Research, 82 (1). pp. 57-66. ISSN 1475-2670

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Abstract

Trials for the control of soil pests, particularly of termites (Isoptera:Termitidae), in groundnuts (Arachis hypogaea) in India and Sudan used chlorpyrifos and isofenphos granules, chlorpyrifos, phorate, carbosulfan and carbofuran in controlled release formulations, and chlorpyrifos seed dressing. Their effects on foliar pests were also noted. Chlorpyrifos controlled release pellets were as effective as aldrin, used as a standard, in reducing root and pod attack and, like aldrin, doubled yields. Isofenphos and chlorpyrifos granules increased yields and reduced pod damage, but to a lesser extent. Other treatments were less effective. Carbosulfan and phorate controlled release and isofenphos granules reduced leaf miner attack. These trials establish the efficacy of controlling termites and other soil pests with controlled release formulations of otherwise non-persistent insecticides. However, the expensive formulation is unlikely to be cost-effective for rural farmers in developing countries and, in the case of chlorpyrifos , residue levels in kernels may be unacceptable. Future work should investigate other insecticides in the formulation and development of cheaper controlled release matrices

Item Type:	Article
Divisions:	UNSPECIFIED
CRP:	UNSPECIFIED
Subjects:	Mandate crops > Groundnut
Depositing User:	Mr Charan Sai Ch
Date Deposited:	26 Oct 2011 06:31
Last Modified:	26 Oct 2011 06:31
URI:	http://oar.icrisat.org/id/eprint/2865
Official URL:	http://dx.doi.org/10.1017/S000748530005149X
Projects:	UNSPECIFIED
Funders:	UNSPECIFIED
Acknowledgement:	We thank the Director and staff of ICRISAT for facilities and assistance, Dr G.K. Veeresh and his staff for collaboration in Bangalore, Jonathan Robinson, Andrew Pornfret and the staff of the Western Savanna Develop ment Corporation for assistance in Sudan and Dr T.G. Wood for comments on the manuscript. Bayer AG, Dow Chemical Company Ltd., Incitec International Ltd, and h R.M. Wilkins (Newcastle University, UK) provided the insecticides. Residue analysis was camed out by the NRI Chemical Control and Pesticide Analysis Section. Oil and moisture content of groundnuts was analysed by the ICRISAT Biochemistry Department and fungal in- fection by the Pulse Microbiology Section. Miss E.A. Barnett identified the termites found at ICRISAT and as- sisted in the trials.
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