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Copper-streptomycin sprays control pear blossom blast

California Agriculture > Volume 31 > Number 6  > research article 

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Authors

Richard S. Bethell
Joseph M. Ogawa, University of California
W. Harley English, University of California
Robert J. Hansen
Billy T. Manji
Frank J. Schick

Publication Information

California Agriculture 31(6):7-9.

Published June 01, 1977

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Abstract

Blasting of flower is an occasional problem in California pear orchards. Three common causes of blasted blossoms are boron deficiency, lack of winter chilling, and bacterial infection caused by Pseudomonas syringae van Hall. Bacterial blast is the most damaging and can reduce crops so severely they become unprofitable to harvest.

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Copper-streptomycin sprays control pear blossom blast

Richard S. Bethell, Joseph M. Ogawa, W. Harley English, Robert J. Hansen, Billy T. Manji, Frank J. Schick
University
of
California
Division of Agriculture
and
Natural Resources
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Copper-streptomycin sprays control pear blossom blast

California Agriculture > Volume 31 > Number 6  > 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

Richard S. Bethell
Joseph M. Ogawa, University of California
W. Harley English, University of California
Robert J. Hansen
Billy T. Manji
Frank J. Schick

Publication Information

California Agriculture 31(6):7-9.

Published June 01, 1977

PDF  |  Citation  |  Permissions

Author Affiliations show

Abstract

Blasting of flower is an occasional problem in California pear orchards. Three common causes of blasted blossoms are boron deficiency, lack of winter chilling, and bacterial infection caused by Pseudomonas syringae van Hall. Bacterial blast is the most damaging and can reduce crops so severely they become unprofitable to harvest.

Full text

Full text is available in PDF.

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