Pea Aphid1 Injury to Resistant and Susceptible Alfalfa In the Field2

Author: HARVEY T. L.   HACKEROTT H. L.   SORENSEN E. L.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.64, Iss.2, 1971-04, pp. : 513-517

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