Hilgardia
Hilgardia
Hilgardia
University of California
Hilgardia

Aster yellows virus in celery: Spray treatment of natural breeding area of aster leafhopper controls spread of important virus disease to celery fields

Authors

J. H. Freitag
T. M. Aldrich
R. M. Drake

Authors Affiliations

J. H. Freitag is Professor of Entomology, University of California, Berkeley; T. M. Aldrich is Farm Advisor, San Luis Obispo County, University of California; R. M. Drake is Deputy Agricultural Commissioner, San Luis Obispo County.

Publication Information

Hilgardia 13(4):5-5. DOI:10.3733/ca.v013n04p5. April 1959.

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Abstract

Annual losses as high as 30% –caused by aster yellows virus–have been cut to 5% by growers of the Arroyo Grande Valley of San Luis Obispo County who annually produce about 1,200 acres of celery valued at approximately $2.-500,000.

Freitag J, Aldrich T, Drake R. 1959. Aster yellows virus in celery: Spray treatment of natural breeding area of aster leafhopper controls spread of important virus disease to celery fields. Hilgardia 13(4):5-5. DOI:10.3733/ca.v013n04p5
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