Frederick W. Plapp
United States Department of Agriculture
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Featured researches published by Frederick W. Plapp.
Entomologia Experimentalis Et Applicata | 1965
Richard F. Hoyer; Frederick W. Plapp; Richard D. Orchard
Strains of the house fly resistant to parathion, malathion, Isolan, and DDT were crossed with a susceptible strain which carried the recessive marker, stubby‐wing (stw). F1 populations were composed of normal‐winged insecticide‐resistant flies. When the F1s were backcrossed to the stw parent, the resultant normal‐winged progeny were resistant and the stw progeny were susceptible. Thus the major factors for resistance in the strains studied were all located on the same chromosome.
Journal of Economic Entomology | 1968
Frederick W. Plapp; Richard F. Hoyer
Journal of Economic Entomology | 1966
Richard F. Hoyer; Frederick W. Plapp
Journal of Economic Entomology | 1968
Richard F. Hoyer; Frederick W. Plapp
Journal of Economic Entomology | 1967
Frederick W. Plapp; Richard F. Hoyer
Journal of Economic Entomology | 1966
Frederick W. Plapp; Homer H. C. Tong
Journal of Economic Entomology | 1965
Frederick W. Plapp; Gary A. Chapman; Joseph W. Morgan
Journal of Economic Entomology | 1965
Frederick W. Plapp; Richard D. Orchard; Joseph W. Morgan
Journal of Economic Entomology | 1970
Frederick W. Plapp
Journal of Economic Entomology | 1964
Frederick W. Plapp; Gary A. Chapman; Walter S. Bigley