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Soybean Genetics Newsletter

Abstract

Genetic type T218M was found in 'Illini' in 1952 at Urbana, IL. T218H was derived from T218M by crossing a yellow branch as male parent with Illini. The F1 plants were green. Segregation in the F2 gave 3 green: 1 yellow lethal plants. F2 green plants gave ratios of 1 nonsegregating: 2 segregating prog-enies in the F3 generation, confirming monogenic inheritance (Palmer, 1978, unpublished). The recessive allele is carried as the heterozygote in T218H.

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