Beet curly top virulence increased

Magyarosy, A; Duffus, J

Beet curly top virulence increased

Authors

Andrew C. Magyarosy
James E. Duffus

Authors Affiliations

Andrew C. Magyarosy is a plant pathologist, Department of Cell Physiology, University of California, Berkeley; James E. Duffus is a plant pathologist, USDA-ARS, U.S. Agricultural Research Station, Salinas, California.

Publication Information

Hilgardia 31(6):12-13. DOI:10.3733/ca.v031n06p12. June 1977.

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Abstract

Recent curly top isolates from San Joaquin Valley sugar beet fields and the foothills are more virulent than those collected in the 1950s and 1960s. The beet leafhopper (showm below, 48 times life size) carries the disease between crops and weed plants.

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