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Soft scales infesting walnut: Chemical control required when natural mortality factors are disturbed by treatments directed against other insect pests

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Authors

A. E. Michelbacher, University of California, Berkeley.
Howard L. McKenzie, University of California, Davis.
C. Q. Gonzales, University of California, Berkeley.

Publication Information

California Agriculture 13(5):6-6.

Published May 01, 1959

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Abstract

Four species of soft scales–a complex of two species of frosted scale, European fruit lecanium, and the calico scale– can inflict serious damage on walnuts unless controlled, either by natural factors or through the use of insecticides.

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Soft scales infesting walnut: Chemical control required when natural mortality factors are disturbed by treatments directed against other insect pests

A. E. Michelbacher, Howard L. McKenzie, C. Q. Gonzales
Webmaster Email: wsuckow@ucanr.edu

Soft scales infesting walnut: Chemical control required when natural mortality factors are disturbed by treatments directed against other insect pests

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

A. E. Michelbacher, University of California, Berkeley.
Howard L. McKenzie, University of California, Davis.
C. Q. Gonzales, University of California, Berkeley.

Publication Information

California Agriculture 13(5):6-6.

Published May 01, 1959

PDF  |  Citation  |  Permissions

Author Affiliations show

Abstract

Four species of soft scales–a complex of two species of frosted scale, European fruit lecanium, and the calico scale– can inflict serious damage on walnuts unless controlled, either by natural factors or through the use of insecticides.

Full text

Full text is available in PDF.

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