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Blue-green mold on citrus: Ammonia gas used in citrus packing plants as fumigant for control of blue-green mold on Valencias, navels and lemons

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Authors

C. N. Roistacher, University of California
L. J. Klotz, University of California
I. L. Eaks, University of California

Publication Information

California Agriculture 11(10):11-12.

Published October 01, 1957

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Abstract

Laboratory experiments with anhydrous ammonia—for the control of blue-green decay in injured-inoculated fruit—developed a treatment that provided excellent protection for oranges and lemons. However, tests also revealed that the gas must be applied within the first 24-30-hour storage period to be effective, because at 68°F the green mold—Penicillium digitatum—will penetrate approximately one millimeter into the rind, beyond reach of the chemical. Therefore, fruit injured in picking, dumping and loading must be treated promptly to avoid infection.

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Author notes

The above progress report is based on Research Project No. 808.

Blue-green mold on citrus: Ammonia gas used in citrus packing plants as fumigant for control of blue-green mold on Valencias, navels and lemons

C. N. Roistacher, L. J. Klotz, I. L. Eaks
Webmaster Email: wsuckow@ucanr.edu

Blue-green mold on citrus: Ammonia gas used in citrus packing plants as fumigant for control of blue-green mold on Valencias, navels and lemons

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

C. N. Roistacher, University of California
L. J. Klotz, University of California
I. L. Eaks, University of California

Publication Information

California Agriculture 11(10):11-12.

Published October 01, 1957

PDF  |  Citation  |  Permissions

Author Affiliations show

Abstract

Laboratory experiments with anhydrous ammonia—for the control of blue-green decay in injured-inoculated fruit—developed a treatment that provided excellent protection for oranges and lemons. However, tests also revealed that the gas must be applied within the first 24-30-hour storage period to be effective, because at 68°F the green mold—Penicillium digitatum—will penetrate approximately one millimeter into the rind, beyond reach of the chemical. Therefore, fruit injured in picking, dumping and loading must be treated promptly to avoid infection.

Full text

Full text is available in PDF.

Author notes

The above progress report is based on Research Project No. 808.


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