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Whitewash found harmless in applications on walnut leaves

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Authors

J. H. Foott, University of California
D. R. Heinicke, Canada Department of Agriculture

Publication Information

California Agriculture 21(3):2-3.

Published March 01, 1967

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Abstract

Whitewash applied to the leaves of Persian walnut trees of the Payne variety showed no injury to the leaf and did not interfere with photosynthesis. There was no significant effect on total yield in the whitewash tests, but the percentage of larger, sound nuts increased. These studies also indicated that temperatures above 90°F were very detrimental to photosynthesis and temperatures of 95°F or above stopped it completely.

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Whitewash found harmless in applications on walnut leaves

J. H. Foott, D. R. Heinicke
Webmaster Email: wsuckow@ucanr.edu

Whitewash found harmless in applications on walnut leaves

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

J. H. Foott, University of California
D. R. Heinicke, Canada Department of Agriculture

Publication Information

California Agriculture 21(3):2-3.

Published March 01, 1967

PDF  |  Citation  |  Permissions

Author Affiliations show

Abstract

Whitewash applied to the leaves of Persian walnut trees of the Payne variety showed no injury to the leaf and did not interfere with photosynthesis. There was no significant effect on total yield in the whitewash tests, but the percentage of larger, sound nuts increased. These studies also indicated that temperatures above 90°F were very detrimental to photosynthesis and temperatures of 95°F or above stopped it completely.

Full text

Full text is available in PDF.

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