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Pacific Southwest
Research Station

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Research Notes

Title: Chemical control of blister rust on sugar pine...two fungicides show promise in California tests

Author: Quick, Clarence R.

Date: 1967

Source: Res. Note PSW-RN-147. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 8 p

Description: Among several fungicides tested, Phytoactin L-340 and Dowicide 1 (o-phenylphenol) showed the most promise for sys temic chemical control of blister rust on sugar pine in northern California. The trials included 22 tests on 224 sugar pines: five with Acti-dione BR (cycloheximide), one each with five common chemical fungicides,and 12 with phytoactin. Apparent effectiveness of the antibiotics rose to marked maximums 2 to 3 years after application, then declined.

Keywords: Antifungal antibiotics; blister rust control; Cronartium ribicola; cycloheximide; fungicide control; fungicide screening; phytoactin; Pinus lambertiana; sugar pine

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Citation

Quick, Clarence R.  1967.  Chemical control of blister rust on sugar pine...two fungicides show promise in California tests.   Res. Note PSW-RN-147. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 8 p.

Last Modified: Nov 20, 2015 10:40:43 AM