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Control of pear psylla: With oils and oil-pyrethrins
Authors
H. F. MadsenP. H. Westigard
Authors Affiliations
H. F. Madsen is Associate Professor and Associate Entomologist in the Experiment Station, University of California, Berkeley;; P. H. Westigard is Assistant Entomologist, Oregon State University, formerly Junior Research Entomologist in the Experiment Station, University of California, Berkeley.Publication Information
Hilgardia 17(1):9-10. DOI:10.3733/ca.v017n01p9. January 1963.
PDF of full article, Cite this article
Abstract
Oil sprays show promise for pear psylla control, but the addition of pyrethrins offers little advantage.
Madsen H, Westigard P. 1963. Control of pear psylla: With oils and oil-pyrethrins. Hilgardia 17(1):9-10. DOI:10.3733/ca.v017n01p9
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