peer-reviewed research article
Evaluation of insecticides for control of Egyptian alfalfa weevil
authors
Norman F. McCalley, University of California
Der-I Wang, Rhodia Inc.
William C. Reische, Du Pont Chemical Co.
publication information
California Agriculture 29(9):10-11. DOI: 10.3733/ca.v029n09p10.
author affiliations
Norman F. Mc Calley is Farm Ad-visor, University of California Cooperative Extension Monterey County; Der-I Wang, formerly with Rhodia Inc., is now Development and Service Representative, Du-Pont Chemical Co. William C. Reische is Product Development Manager, Du Pont Chemical Co.
abstract
Imidan, methoxychlor, Guthion (azinphosmethyI), methyI parathion, malathion, Zolone (phosalone), Furadan (car-bofuran), Vydate (oxarnyl), and Lannate (methomyl) were evaluated in three field experiments at selected dosages for control of the Egyptian alfalfa weevil on first cutting alfalfa at Salinas, California. All the insecticide treatments resulted in significant weevil control compared with unsprayed check plots. Furadan, Zolone, and Vydate controlled the pea aphid, Acyr-thosiphon pisum, present in one of the experiments.
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