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Filbertworm control: Experimental insecticides show promise in tests on northern California walnuts
Publication Information
California Agriculture 13(7):13-14.
Published July 01, 1959
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Abstract
In the second year of tests, Guthion and Sevin–not yet released for use on walnuts–again showed encouraging control of the filbertworm on Payne and Franquette walnuts.