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Abstract
Parallel series of exploratory experiments with antifungal antibiotics and conventional chemical fungicides for control of blister rust on sugar pine were started in northern California in 1959. Several fungicides, both antibiotic and conventional, appear slightly systemic, but all tested materials are more effective when sprayed directly on infected tissues. Conventional fungicides appear as effective as antibiotics for direct control of blister rust. Large differences in effectiveness appear due to concentration of fungicide and to season of application.
Citation
Quick, Clarence R. 1964. Experimental fungicidal control of blister rust on sugar pine in California. Res. Note PSW-RN-048. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 8 p
