Persistence of Dimethoate Residues in Hemlock Treated for Hemlock Fiorinia Scale as Determined by Oxygen Flask Combustion1

Author： JOHN   JR. L. E. ST.   WALLNER W. E.   WEIDHAAS   JR. J. A.   LISK D. J.  

Publisher： Entomological Society of America

ISSN： 1938-291X

Source： Journal of Economic Entomology, Vol.57, Iss.1, 1964-02, pp. : 103-105

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