Cover Crop Manipulation for Building Pear Psylla (Homoptera: Psyllidae) Predator Populations in Pear Orchards

Author: Fye R. E.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.76, Iss.2, 1983-04, pp. : 306-310

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