13R Supreme

1. 13R Supreme is a synthetic variety with 200 parent clones. Parental clones trace to populations selected for resistance to the following pests: Phytophthora root rot, anthracnose, bacterial wilt, Fusarium wilt, Verticillium wilt, pea aphid and spotted alfalfa aphid. Phenotypic recurrent selection was used. Final selections were made from a population in a two-year-old space-planted nursery near Kingsburg, California. Parentage of 13R Supreme traces to GT 13R Plus (100 %). Approximate germplasm source contributions are African (70%) and Turkistan (30%).

2. Adapted to and intended for use in areas of central and southern California, and lower elevations of Arizona and New Mexico. Tested in California and New Mexico.

3. Fall dormancy of 13R Supreme is similar to Moapa 69. Flower color is approximately 99% purple and 1 % variegated with traces of cream, white and yellow.

4. 13R Supreme has resistance to Fusarium wilt, Phytophthora root rot and pea aphid, and moderate resistance to bacterial wilt, Verticillium wilt, and anthracnose. It has not been evaluated for reaction to blue alfalfa aphid, stem nematode and spotted alfalfa aphid.

5. Seed increase is limited to one generation each of breeder, foundation and certified seed classes. Certified seed may be produced from either breeder or foundation classes. A 1, 3 and 5-year stand life is permitted on fields producing breeder, foundation and certified classes respectively. Foundation seed production, outside the area of adaptation, is limited to single season production (non-overwintering).

6. Certified seed will be available in 1992.

7. Plant Variety Protection will not be applied for.

8. This information can be forwarded to the PVP office.