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peer-reviewed research article

Twig blight of oaks in California

authors

Eva I. Hecht-Poinar
Laurence R. Costello, University of California
J. R. Parmeter, UC Cooperative Extension

publication information

California Agriculture 43(1):15-16. DOI: 10.3733/ca.v043n01p15. January-February 1989.

Summary

Acceptable control of the disease in landscape oaks was obtained by pruning and/or fungicide treatment.

author affiliations

; Eva Hecht-Poinar is Associate Specialist, and John R. Parmeter, Jr., is Professor, Department of Plant Pathology, University of California, Berkeley; Laurence R. Costello is Farm Advisor, UC Cooperative Extension, San Mateo-San Francisco counties.

author notes

The authors thank C. S Koehler, A. H. McCain, R. D. Raabe, and F. W. Cobb, Jr., for many helpful suggestions, G. Slaughter and F. Determan for their help with the field work, C. Sauer (California Conservation Corps Nursery, Napa, California) and the Saratoga Horticultural Foundation for supplying many oak seedlings, the Stanford Grounds Department personnel for making the field study possible, and D. Rowney for statistical analysis of the data. Funds were provided by the Elvenia J. Slosson Endowment Fund.