Iowa State College Journal of Science 44.2

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1969-11-01
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Iowa State University Digital Repository
Abstract

Effect of cytoplasmic male sterility and pollen restorer genes on first brood European corn borer resistance among different genotypes of hybrid corn. G.R. Pesho, W.A. Russell and F.F. Dicke. 165

Influence of corn pollen on the survival and development of second-brood larvae of the European corn borer. W.D. Guthrie, J.L. Huggans and S.M. Chatterji. 185

The true katydid, Pterophylla camellifolia (Fabricius) (Orthoptera: Tettigonidae), in Iowa: Two populations which differ in behavior and morphology. Kenneth C. Shaw and Oscar V. Carlson. 193

Characteristics and purchasing practices of Iowa residential building firms. Dean . Prestemon and Gene A. Onken. 201

Taxonomic and distributional studies in Leersia (Gramineae). Grant Lloyd Pyrah. 215

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