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Late plantings reduce yellows virus infection, improve beet yields and sugar production at Davis

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Authors

F. J. Hills, University of California
W. H. Lange, University of California
R. S. Loomis, University of California
J. L. Reed, University of California
D. H. Hall, University of California

Publication Information

California Agriculture 17(3):14-15.

Published March 01, 1963

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Abstract

Weekly spraying for aphid control reduced natural infection by yellows viruses from 50% to 14% in sugar beets planted April 10 and increased sugar yield 30% by mid-October. While spraying this often is not an economical means of control for virus yellows, the experiment showed that a considerable reduction in yields can be caused by naturally occurring strains of yellows viruses. However, sugar beets planted May 7 remained essentially virus free and by October 22 yielded 10% more sugar than beets planted in April, half of which became diseased.

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Late plantings reduce yellows virus infection, improve beet yields and sugar production at Davis

F. J. Hills, W. H. Lange, R. S. Loomis, J. L. Reed, D. H. Hall
Webmaster Email: bjnoel@ucanr.edu

Late plantings reduce yellows virus infection, improve beet yields and sugar production at Davis

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

F. J. Hills, University of California
W. H. Lange, University of California
R. S. Loomis, University of California
J. L. Reed, University of California
D. H. Hall, University of California

Publication Information

California Agriculture 17(3):14-15.

Published March 01, 1963

PDF  |  Citation  |  Permissions

Author Affiliations show

Abstract

Weekly spraying for aphid control reduced natural infection by yellows viruses from 50% to 14% in sugar beets planted April 10 and increased sugar yield 30% by mid-October. While spraying this often is not an economical means of control for virus yellows, the experiment showed that a considerable reduction in yields can be caused by naturally occurring strains of yellows viruses. However, sugar beets planted May 7 remained essentially virus free and by October 22 yielded 10% more sugar than beets planted in April, half of which became diseased.

Full text

Full text is available in PDF.

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