The Effect of Spotted Alfalfa Aphid Protection by Systemic Insecticides and Varieties on Alfalfa Production the Year Following Seedling Protection1

Author： DOBSON R. C  

Publisher： Entomological Society of America

ISSN： 1938-291X

Source： Journal of Economic Entomology, Vol.51, Iss.4, 1958-08, pp. : 457-458

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