Resistance in Alfalfa to Four Biotypes of the Spotted Alfalfa Aphid1,2

Author: NIELSON M. W.   SCHONHORST M. H.   DON HAROLD   LFHMAN W. F.   MARBLE V. L.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.64, Iss.2, 1971-04, pp. : 506-510

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