Hilgardia
Hilgardia
Hilgardia
University of California
Hilgardia

Acaricides on apples and pears: Tentative ratings of II acaricides given for spider mite control in northern California for 1953 season

Authors

Arthur D. Borden
Harold Madsen

Authors Affiliations

Arthur D. Borden is Entomologist, University of California, Berkeley; Harold Madsen is Assistant Entomologist, University of California, Berkeley.

Publication Information

Hilgardia 7(4):6-13. DOI:10.3733/ca.v007n04p6. April 1953.

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Abstract

Season to season variance in the effectiveness of new chemicals—used as acaricides for spider mite control on apples and pears in northern California—makes it necessary that only tentative toxicity ratings of the acaricides be listed following each season's field investigations.

Borden A, Madsen H. 1953. Acaricides on apples and pears: Tentative ratings of II acaricides given for spider mite control in northern California for 1953 season. Hilgardia 7(4):6-13. DOI:10.3733/ca.v007n04p6
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