Patent 7520089 was granted and assigned to Weyerhaeuser on April, 2009 by the United States Patent and Trademark Office.
The invention provides methods for improving the germination of manufactured seeds. The methods comprise the steps of: (a) culturing a plant embryo in a germination medium; and (b) assembling the cultured plant embryo into a manufactured seed. The methods of the invention are applicable to zygotic and somatic plant embryos.