Genetic factor responsible for a defective endosperm phenotype in seeds, plants comprising said factor and their use in hybridization processes

摘要

PCT No. PCT/EP95/00213 Sec. 371 Date Jul. 19, 1996 Sec. 102(e) Date Jul. 19, 1996 PCT Filed Jan. 20, 1995 PCT Pub. No. WO95/19696 PCT Pub. Date Jul. 27, 1995The invention relates to a genetic male gametophytic factor capable, when expressed, of conferring a defective endosperm phenotype to seeds, said seeds being unable to germinate on their own. The invention also relates to the use of plants or part of plants comprising said factor for carrying out processes for obtaining hybrid seeds and plants.