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Filbertworm injury to walnuts: Seasonal population trend of filbertworm moths as shown by trapping records may indicate severity of damage to crop

California Agriculture > Volume 11 > Number 9  > research article 

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Authors

A. E. Michelbacher, University of California
Arthur H. Retan, University of California
Stephen W. Hitchcock, University of California

Publication Information

California Agriculture 11(9):7-7.

Published September 01, 1957

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Abstract

The flight of filbertworm moths during the early 1956 season was very small when compared to 1954 or to 1955 but after mid-July the moth catch—in five bait pans in an experimental walnut orchard near Gridley—began to mount. By season's end the severity of the infestation was second to that of 1954, when the infestation was the most severe encountered since investigations were started in 1944.

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Filbertworm injury to walnuts: Seasonal population trend of filbertworm moths as shown by trapping records may indicate severity of damage to crop

A. E. Michelbacher, Arthur H. Retan, Stephen W. Hitchcock
University
of
California
Division of Agriculture
and
Natural Resources
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Filbertworm injury to walnuts: Seasonal population trend of filbertworm moths as shown by trapping records may indicate severity of damage to crop

California Agriculture > Volume 11 > Number 9  > research article 

< Previous | Table of Contents | Next >

< Previous | Table of Contents | Next >

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
Arthur H. Retan, University of California
Stephen W. Hitchcock, University of California

Publication Information

California Agriculture 11(9):7-7.

Published September 01, 1957

PDF  |  Citation  |  Permissions

Author Affiliations show

Abstract

The flight of filbertworm moths during the early 1956 season was very small when compared to 1954 or to 1955 but after mid-July the moth catch—in five bait pans in an experimental walnut orchard near Gridley—began to mount. By season's end the severity of the infestation was second to that of 1954, when the infestation was the most severe encountered since investigations were started in 1944.

Full text

Full text is available in PDF.

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