PLANTS WITH TYPE G CYTOPLASMIC MALE STERILITY (CMS) RECOVERY GENES FROM WHEAT, MOLECULAR MARKER AND USES THEREBY
Patent Information
- Application Number
- DE602017088688
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2016-07-18
- Filing Date
- 2017-07-18
- Publication Date
- 2025-04-02
- Estimated Expiration
- 2037-07-18
AI Technical Summary
There is a need for more accurate markers to identify and track Rf loci in wheat for fertility restoration in Triticum timopheevi cytoplasm, which is crucial for hybrid seed production, as most hexaploid wheats lack natural fertility restoration genes and existing markers are not sufficiently linked to the causal gene.
Identification of a functional restorer gene (Rf) on chromosome 1B in wheat, along with tightly linked markers, enabling marker-assisted selection (MAS) for restoring fertility in progeny plants with G-type cytoplasmic male sterility, allowing for year-round selection and efficient tracking of desired alleles.
MAS using the identified Rf gene and markers ensures accurate selection of fertile progeny, independent of environmental conditions, and facilitates backcross breeding for improved wheat varieties with enhanced fertility restoration.