Preliminary Field Tests Using a Polyhedrosis Virus to Control the Alfalfa Caterpillar

Author: STEINHAUS EDWARD A.   THOMPSON CALRENCE G.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.42, Iss.2, 1949-04, pp. : 301-305

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