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Soft scales on walnut in 1956: Increase in soft scale populations on walnuts in northern California effected by several factors in complex problem

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Authors

A. E. Michelbacher, University of California
Stephen W. Hitchcock, University of California

Publication Information

California Agriculture 11(3):7-14.

Published March 01, 1957

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Abstract

Destructive populations of soft scales—frosted scale, Lecanium pruinosum, Coq.; European fruit lecanium, L. corni Bouché: and the calico scale, L. cera-sorum Ckll.—occurred on walnuts in many locations in northern California during 1956.

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Soft scales on walnut in 1956: Increase in soft scale populations on walnuts in northern California effected by several factors in complex problem

A. E. Michelbacher, Stephen W. Hitchcock
Webmaster Email: sjosterman@ucanr.edu

Soft scales on walnut in 1956: Increase in soft scale populations on walnuts in northern California effected by several factors in complex problem

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
Stephen W. Hitchcock, University of California

Publication Information

California Agriculture 11(3):7-14.

Published March 01, 1957

PDF  |  Citation  |  Permissions

Author Affiliations show

Abstract

Destructive populations of soft scales—frosted scale, Lecanium pruinosum, Coq.; European fruit lecanium, L. corni Bouché: and the calico scale, L. cera-sorum Ckll.—occurred on walnuts in many locations in northern California during 1956.

Full text

Full text is available in PDF.

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