Hilgardia
Hilgardia
Hilgardia
University of California
Hilgardia

Control of walnut blight: Antibiotic and copper formulations tested in modified spray program in experimental plots in Sun Joaquin County

Authors

Peter A. Ark
Fred M. Charles

Authors Affiliations

Peter A. Ark is Professor of Plant Pathology, University of California, Berkeley; Fred M. Charles is Farm Advisor, San Joaquin County, University of California.

Publication Information

Hilgardia 10(3):8-8. DOI:10.3733/ca.v010n03p8. March 1956.

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Abstract

The standard schedule for the control of walnut blight in California—one prebloom and one or two postbloom treatments with copper—depends on very accurate timing. If errors are made, control of the disease may not be achieved. Because of climatic conditions, sprays are sometimes applied when blooming is at an end. This is too late because the causal organism has had a chance to infect susceptible parts of the plant.

Ark P, Charles F. 1956. Control of walnut blight: Antibiotic and copper formulations tested in modified spray program in experimental plots in Sun Joaquin County. Hilgardia 10(3):8-8. DOI:10.3733/ca.v010n03p8
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