rf3 gene restorative of maize cytoplasmic male sterility (cms), molecular markers and their use

摘要

rf3 gene restorative of maize cytoplasmic male sterility (cms), molecular markers and their use. The present invention relates to a method for selecting a plant comprising a functional restorer gene for maize-type cytoplasmic male sterility comprising the steps of (a) screening a plant population for at least one marker nucleic acid, wherein the marker nucleic acid comprises an allele linked to the functional restorer gene for maize type s cytoplasmic male sterility; (b) detecting the marker nucleic acid; (c) identifying a plant comprising the marker nucleic acid; and (d) selecting the plant comprising the marker nucleic acid, wherein the plant comprising the marker nucleic acid additionally comprises the functional restorer gene for maize type s cytoplasmic male sterility. The present description also provides methods for restoring fertility in a progeny of a type-s male sterile cytoplasmic plant and methods for transferring an rf3 gene to a progeny plant.