Methods for Producing Fertile Crosses between Wild and Domestic Soybean Species

Methods for producing hybrids between domestic and wild soybean that are fertile and can be further bred with other soybean plants are provided, thus allowing transfer of desirable traits and genes from the wild soybean into the domestic soybean. This invention also provides novel media for producing callus and multiple somatic embryos, as well as novel media for producing multiple shoots from the embryos. The hybrid plants are made fertile by colchicine treatment to double their chromosome number so that they can be backcrossed into domestic soybean. These methods and media allow the production of elite soybean lines containing traits or genes from wild soybean as well as a minimum amount of additional wild soybean DNA. Backcrosses containing only one wild soybean chromosome can be produced, as well as sets of such backcrossed lines that each contain one chromosome from the wild ancestor, but collectively all the wild chromosomes from the hybrid ancestor. Plants and plant progeny and plant tissue (tissue including seeds) of plants produced by the foregoing methods are also provided. The methods do not require genetic modification, and thus this invention allows production of domestic soybean plants that are not genetically-modified organisms (non-GMO) but that express desirable traits derived from wild soybean.

US 20,100,263,094

Inventor(s): SINGH RAM J [US]

Type of Offer: Licensing

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