Patent ID: 6657110
Filing Date: 2003-12-02
Classification: A01H

Abstract:
A maize plant or parts thereof having a nuclear genome comprising Zea mays chromosomes with no Tripsacum chromosomes, and having extranuclear genes comprising Tripsacum floridanum extranuclear genes; said maize plant produced by a process comprising crossing Tripsacum floridanum as a female parent with Tripsacum dactyloides as a male parent to produce an interspecific Tripsacum, followed by crossing said interspecific Tripsacum as a female parent with a Zea mays line as a male parent to produce an F1 intergeneric plant, followed by crossing said F1 intergeneric plant as a female parent with the same or different Zea mays line as a male parent to produce a BC1 plant, followed by crossing of the BC1 plant as a female parent with the same or different Zea mays line as a male parent to produce a BC2 plant, followed by successive crossing of the most recently produced BC plant as a female parent with the same or different Zea mays line as a male parent.