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The Genetic Induction of Autotetraploidy: A Proposal for its Use in Corn Breeding

Synopsis: A method for establishing autotetraploid synthetic varieties of maize by genetic means is outlined. The ultimate use of these synthetic varieties as a source of breeding material is proposed. If genetic inbalance is largely responsible for low seed set in maize tetraploids, fertile inbreds or fertile hybrid combinations can be expected to be isolated from synthetic varieties that are genetically diverse within and between themselves. An examination of aneuploidy as a cause of sterility is made.

Received for publication August 15, 1956.

This article has been cited by other articles:

				A. Kato and J. A. Birchler Induction of Tetraploid Derivatives of Maize Inbred Lines by Nitrous Oxide Gas Treatment J. Hered., January 1, 2006; 97(1): 39 - 44. [Abstract] [Full Text] [PDF]