Frequency of Alfalfa Plants with Combined Resistance to the Pea Aphid and Spotted Alfalfa Aphid in Aphid-resistant Cultivars

Author: Kindler S. D.   Schalk J. M.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.68, Iss.5, 1975-10, pp. : 716-718

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