Survey detects viruses in almond, prune, and sweet cherry orchards

Uyemoto, J; Grant, J; Krueger, W; Olson, W; Osgood, J; Sibbet, G; Viveros, M; Weakley, C

Survey detects viruses in almond, prune, and sweet cherry orchards

Authors

Jerry K. Uyemoto
Joseph A. Grant
William H. Krueger
William H. Olson
Joseph W. Osgood
G. Steven Sibbet
Mario Viveros
Craig V. Weakley

Authors Affiliations

Jerry K. Uyemoto is Research Plant Pathologist, USDA-ARS, Department of Plant Pathology, University of California, Davis; Joseph A. Grant is Farm Advisor, UC Cooperative Extension, San Joaquin County; William H. Krueger is Farm Advisor, Glenn County; William H. Olson is Farm Advisor, Butte County; Joseph W. Osgood is Farm Advisor, Tehama County; G. Steven Sibbett is Farm Advisor, Tulare County; Mario Viveros is Farm Advisor, Kern County; Craig V. Weakley is Farm Advisor, Sutter-Yuba Counties.

Publication Information

Hilgardia 43(5):14-15. DOI:10.3733/ca.v043n05p14. September 1989.

PDF of full article, Cite this article

Abstract

Prunus necrotic ringspot and/or prune dwarf viruses were found in young California orchards, averaging 20% infection in almond and prune and 4% in sweet cherry. Nursery stock was implicated as the primary source, and efforts are now under way to propagate disease-free trees.

Also in this issue:

Biological control: Major emphasis in UC research

Managing yellow starthistle on rangeland

Improving orchard soil structure and water penetration

The ‘Achilles heel’ of pistachio fruit

Verticillium wilt found in southern California alfalfa

Intensive grazing increases beef production

Growth regulator controls tomato transplant height

Guthion-resistant walnut aphid parasite: Release, dispersal, and recovery in orchards

Parasite tolerates other pesticides

Computerized corral feed stations for dairy cows

Tailoring Cooperative Extension programs to serve home gardeners

Several copper fungicides control olive leaf spot

Update on procedures for prospective RAWs

Computer generation of points on a plane

Treatment of boundary line overlap in a forest-sampling simulator