Persistent Toxicity of Formothion and Phorate to Mustard Aphid on Brassica Plants1

Author: CHAND NASIB   SAINI M. L.   RUEGER H. R.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.64, Iss.2, 1971-04, pp. : 517-520

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