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T. Voss ; R. Kieckhefer ; B. Fuller ; M. Mcleod ; D. Beck | 1997Populations of the English grain aphid, Sitobion avenae (F.), and the bird cherry-oat aphid, Rhopalosiphum padi (L.), develop in some years on maturing wheat, Triticum aestivum (L.), in the Dakotas and western Minnesota. Two experiments were con[...]
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R. Kieckhefer ; N. Elliott ; W. Riedell ; B. Fuller | 1994The effect of greenbug, Schizaphis graminum (Rondani), infestations on yield components of early- and late-planted spring wheat, Triticum aestivum L., were measured in 2 successive years in eastern South Dakota. Greenbug populations in plots gen[...]
