Compatibility of Acephate with Herbicides Applied Postemergence in Peanut

Chahal , G.S. and Jordan , D.L. and Eure , P.M. and Brandenburg , R.L. (2014) Compatibility of Acephate with Herbicides Applied Postemergence in Peanut. Peanut Science, 41 (1). pp. 58-64.

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Abstract

Numerous agrochemicals can be applied in peanut to control pests. Field and laboratory experiments were conducted in North Carolina during 2009 and 2010 to determine peanut response to paraquat and tobacco thrips (Frankliniella fusca Hinds.) when acephate was applied in combination with chloroacetamide and contact herbicides. Experiments were also conducted during 2011 to determine peanut response to acephate applied alone or with paraquat when peanut was planted either without aldicarb or when aldicarb was applied in the seed furrow at planting. Visible peanut damage caused by tobacco thrips feeding was greater when chloroacetamide herbicides were applied without acephate compared with application with acephate regardless of paraquat treatment. Visible injury caused by paraquat was higher when chloroacetamide herbicides were included compared with paraquat alone in one of two years. Visible injury by paraquat was lower when applied with acephate compared to paraquat alone in one of two years. Acephate applied to peanut foliage and aldicarb applied in the seed furrow at planting protected peanut similarly from damage associated with tobacco thrips feeding. Acephate alone or with chloroacetamide herbicides changed solution pH from slightly acidic to highly acidic. Several combinations of pesticides formed either transient or permanent precipitates

Item Type: Article
Uncontrolled Keywords: Agrochemicals, paraquat, precipitates, solution pH, tobacco thrips
Author Affiliation: Department of Crop Science, Box 7620, North Carolina State University, Raleigh, NC 27695, USA.
Subjects: Plant Protection
Divisions: Groundnut
Depositing User: Mr B Krishnamurthy
Date Deposited: 31 Jul 2014 07:25
Last Modified: 31 Jul 2014 07:25
Official URL: http://dx.doi.org/10.3146/PS12-3R1.1
URI: http://eprints.icrisat.ac.in/id/eprint/13304

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