The Role Of The Public Sector In Corn Inbred Line Development

Wallace Huffman

ISU General Staff Papers from Iowa State University, Department of Economics

Abstract: Starting largely in the .1930s, open-pollinated corn varieties were replaced by hybrid corn varieties. The pollen source is not controlled in open-pollinated varieties, so no two plants of a variety are likely to be identical in genotype or performance characteristics. Hybrids rapidly replaced open-pollinated varieties when hybrids were developed that had consistently superior performance (largely yield) characteristics (Griliches 1957, Dixon 1980).

Date: 1984-08-01
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