University of California

Beet free periods—the key to higher sugar beet yields


James E. Duffus

Author Affiliations

James E. Duffus is Plant Pathologist, Agricultural Research Service, U.S. Department of Agriculture, U.S. Agricultural Research Station, Salinas, California, and Associate in the Experiment Station, University of California.

Publication Information

Hilgardia 31(10):18-19. DOI:10.3733/ca.v031n10p18. October 1977.

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The sugar beet, a product of research, has been confronted with crisis after crisis in its role as a supplier of one of the cheapest and purest of foods. One of the most recent maladies to take heavy tolls in the production of this crop has been the aphid-transmitted yellowing virus diseases.

Duffus J. 1977. Beet free periods—the key to higher sugar beet yields. Hilgardia 31(10):18-19. DOI:10.3733/ca.v031n10p18
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