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Bacterial blight eliminated from California cotton gins

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Authors

W. C. Schnathorst

Publication Information

California Agriculture 21(12):11-11.

Published December 01, 1967

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Abstract

The bacterial blight pathogen, Xanthomonas malvacearum on cotton, Gossypium hirsutum, has not been found in San Joaquin Valley fields since 1961. Its ability to survive for up to seven years in dried cotton refuse might lead to long-term contamination of cotton gins, however. This would in turn provide an opportunity for the pathogen to again contaminate planting seed, with consequent recurrence of the disease in the field. Field eradication, dilution of contaminated refuse, and decreasing viability of the pathogen with age were expected to result in the disappearance of the pathogen from cotton gins in California. This report deals with attempts to determine whether contamination was still present, particularly in gins from which X. malvacearum had previously been isolated—as well as a large number of other gins in the area where bacterial blight was once prevalent.

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Author notes

California Planting Cotton Seed Distributors, Bakersfield, cooperated in this study and David Coplin gave technical assistance.

Bacterial blight eliminated from California cotton gins

W. C. Schnathorst
Webmaster Email: wsuckow@ucanr.edu

Bacterial blight eliminated from California cotton gins

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

W. C. Schnathorst

Publication Information

California Agriculture 21(12):11-11.

Published December 01, 1967

PDF  |  Citation  |  Permissions

Author Affiliations show

Abstract

The bacterial blight pathogen, Xanthomonas malvacearum on cotton, Gossypium hirsutum, has not been found in San Joaquin Valley fields since 1961. Its ability to survive for up to seven years in dried cotton refuse might lead to long-term contamination of cotton gins, however. This would in turn provide an opportunity for the pathogen to again contaminate planting seed, with consequent recurrence of the disease in the field. Field eradication, dilution of contaminated refuse, and decreasing viability of the pathogen with age were expected to result in the disappearance of the pathogen from cotton gins in California. This report deals with attempts to determine whether contamination was still present, particularly in gins from which X. malvacearum had previously been isolated—as well as a large number of other gins in the area where bacterial blight was once prevalent.

Full text

Full text is available in PDF.

Author notes

California Planting Cotton Seed Distributors, Bakersfield, cooperated in this study and David Coplin gave technical assistance.


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