Response of Helicoverpa zea (Lepidoptera: Noctuidae) Populations to Canopy Development in Soybean as Influenced by Heterodera glycines (Nematoda: Heteroderidae) and Annual Weed Population Densities

Author： ALSTON DIANE G.   BRADLEY   JR. J. R.   SCHMITT D. P.   COBLE H. D.  

Publisher： Entomological Society of America

ISSN： 1938-291X

Source： Journal of Economic Entomology, Vol.84, Iss.1, 1991-02, pp. : 267-276

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