Aster yellows virus in celery: Spray treatment of natural breeding area of aster leafhopper controls spread of important virus disease to celery fields
J. H. Freitag, University of California, Berkeley.
T. M. Aldrich, University of California.
R. M. Drake, San Luis Obispo County.
California Agriculture 13(4):5-5. DOI: 10.3733/ca.v013n04p5.
Summary Not Available – First paragraph follows:
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.
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.
The above progress report is based on Research Project No. H 657.