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Pyrethroid resistance persists in spider mite predator

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Authors

Marjorie A. Hoy, University of California, Berkeley
Nancy F. Knop, Department of Entomology, Berkeley
John L. Joos, Sonoma, Lake, Marin, Mendocino, and Napa counties

Publication Information

California Agriculture 34(11):11-12.

Published November 01, 1980

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Abstract

Spider mite predators laboratory-selected for pyrethroid resistance successfully overwintered in a northern California apple orchard.A laboratory strain of spider mite predator resistant to low rates of pyrethroids became established and successfully overwintered in a northern California apple orchard.

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Author notes

We thank FMC, ICI Americas, and Shell Development for, respectively, the permethrin, fenvalerate, and SD-57706 materials used. This project was supported in part by Pear Zone I, the Almond Board of California, the California Raisin Advisory Board, the California Table Grape Commission, and Experiment Station Project No. 3522-H. We thank S. C. Hoyt and R. Downing for providing colonies of M. occidentalls, D. Culver for use of an almond orchard, and Haven Best for use of his Sebastopol apple orchard. K. Smith, M. Mochizucki, and D. Castro provided technical assistance.

Pyrethroid resistance persists in spider mite predator

Marjorie A. Hoy, Nancy F. Knop, John L. Joos
Webmaster Email: wsuckow@ucanr.edu

Pyrethroid resistance persists in spider mite predator

Share using any of the popular social networks Share by sending an email Print article
Share using any of the popular social networks Share by sending an email Print article

Authors

Marjorie A. Hoy, University of California, Berkeley
Nancy F. Knop, Department of Entomology, Berkeley
John L. Joos, Sonoma, Lake, Marin, Mendocino, and Napa counties

Publication Information

California Agriculture 34(11):11-12.

Published November 01, 1980

PDF  |  Citation  |  Permissions

Author Affiliations show

Abstract

Spider mite predators laboratory-selected for pyrethroid resistance successfully overwintered in a northern California apple orchard.A laboratory strain of spider mite predator resistant to low rates of pyrethroids became established and successfully overwintered in a northern California apple orchard.

Full text

Full text is available in PDF.

Author notes

We thank FMC, ICI Americas, and Shell Development for, respectively, the permethrin, fenvalerate, and SD-57706 materials used. This project was supported in part by Pear Zone I, the Almond Board of California, the California Raisin Advisory Board, the California Table Grape Commission, and Experiment Station Project No. 3522-H. We thank S. C. Hoyt and R. Downing for providing colonies of M. occidentalls, D. Culver for use of an almond orchard, and Haven Best for use of his Sebastopol apple orchard. K. Smith, M. Mochizucki, and D. Castro provided technical assistance.


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