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The Genetic Induction of Autotetraploidy: A Proposal for its Use in Corn Breeding
Author(s) -
Alexander D. E.
Publication year - 1957
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1957.00021962004900010010x
Subject(s) - sterility , biology , hybrid , agronomy , microbiology and biotechnology , heterosis , plant breeding , genetics
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.