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Walnut aphid studies in 1955: Experimental systemic aphicide OMPA has outstanding promise but more studies needed before release for commercial use

California Agriculture > Volume 10 > Number 3  > research article 

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Authors

A. E. Michelbacher, University of California
Earl Oatman, University of California

Publication Information

California Agriculture 10(3):9-14.

Published March 01, 1956

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Abstract

The 1955 infestations of the walnut aphid were exceedingly severe in certain areas, such as Linden. By early May, the average number of aphids found—on the next to the terminal leaflets—in some orchards exceeded 50.

Full text

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Author notes

The above progress report is based on Research Project No. 1314.

Walnut aphid studies in 1955: Experimental systemic aphicide OMPA has outstanding promise but more studies needed before release for commercial use

A. E. Michelbacher, Earl Oatman
University
of
California
Division of Agriculture
and
Natural Resources
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Walnut aphid studies in 1955: Experimental systemic aphicide OMPA has outstanding promise but more studies needed before release for commercial use

California Agriculture > Volume 10 > Number 3  > 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
Earl Oatman, University of California

Publication Information

California Agriculture 10(3):9-14.

Published March 01, 1956

PDF  |  Citation  |  Permissions

Author Affiliations show

Abstract

The 1955 infestations of the walnut aphid were exceedingly severe in certain areas, such as Linden. By early May, the average number of aphids found—on the next to the terminal leaflets—in some orchards exceeded 50.

Full text

Full text is available in PDF.

Author notes

The above progress report is based on Research Project No. 1314.

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