Quantitative Measurements of Damage by the Greenbug, Toxoptera graminum, to Four Wheat Varieties1

Author: ORTMAN ELDON E.   PAINTER REGINALD H.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.53, Iss.5, 1960-10, pp. : 798-802

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