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A Possible Method for Locating Favorable Genes in Maize

Dobzhansky, Th. and Rhoades, M. M. (1938) A Possible Method for Locating Favorable Genes in Maize. Agronomy Journal, 30 (8). pp. 668-675. ISSN 0002-1962.

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Present-day methods of corn improvement involve the isolation of inbred lines through self-fertilization and selection. These inbred strains are subsequently intercrossed and some, though not all, hybrid combinations are superior in vigor to the open-pollinated varieties from which the inbred lines were derived. Practically all crosses are greatly superior to the vigor of the inbred parents. The theoretical foundations for the increased vigor obtained by these empirical methods have never been completely established. The assumption is that open-pollinated varieties of corn are heterozygous for many pairs of genes, the recessive alleles of which have in general less favorable effects upon viability and vigor than their dominant alleles. Different varieties and different individuals of the same variety may carry different recessive genes.

Item Type:Article
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Additional Information:© 1938 American Society of Agronomy.
Issue or Number:8
Record Number:CaltechAUTHORS:20200409-143454994
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Official Citation:Dobzhansky, T. and Rhoades, M.M. (1938), A Possible Method for Locating Favorable Genes in Maize1. Agron. J., 30: 668-675. doi:10.2134/agronj1938.00021962003000080005x
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:102465
Deposited By: Tony Diaz
Deposited On:09 Apr 2020 21:44
Last Modified:09 Apr 2020 21:44

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