CW 58086
1. CW 58086 is a synthetic variety with 146 parent plants. Parent plants were selected for persistence and vigor following two years of close continuous grazing with both cattle and sheep at Woodland, California. Parentage of CW 58086 traces to the following germplasm sources: KD 189, 13R Supreme, Queen 80 1, and miscellaneous Cal/West Seeds breeding populations. Approximate germplasm source contributions are as follows: Ladak (1%), M. varia (3%), Turkistan (22%), Flemish (M), Chilean (7%), Peruvian (6%), Indian (15%), and African (45%).
2. CW 58086 is adapted to the southwest and moderately winter hardy intermountain areas of 160 the U.S. and is intended for use in the southwest area of the U.S., Argentina, South Africa, and Australia. CW 58086 has been tested in California.
3. CW 58086 is a nondormant variety with fall dormancy similar to FD class 7 check varieties. Flower color observed in the syn2 generation is approximately 99% purple, 1% variegated, with a trace of white, cream, and yellow. CW 58086 has tolerance to intensive grazing with too high stocking rates similar to the tolerant check variety Alfagraze.
4. CW 58086 has high resistance to anthracnose (race 1), Fusarium wilt, Phytophthora, root rot, pea aphid, spotted alfalfa aphid, and blue alfalfa aphid, with resistance to stem nematode. Reaction to bacterial wilt, Verticillium wilt, Aphanomyces root rote (race !), and root knot nematode has not been adequately tested.
5. Seed increase of CW 58086 is on a limited generation basis with one generation of breeder and two gene-rations of the foundation and certified seed classes. Breeder (syn1), foundation (syn2 or 3), and certified (syn3 or 4) classes will be recognized. Production of syn3 foundation seed requires consent of the breeder. Breeder seed was produced under open too isolation near Woodland, California, in 1995. Sufficient foundation seed for the projected life of the variety will be maintained by Cal/West Seeds. Stands of foundation and certified seed fields are limited to three and six years, respectively.
6. Certified seed of CW 58086 will be available in 2000.
7. No decision has been made regarding Plant Variety Protection.
8. This information can be forwarded to the PVP office.
9. Date submitted: November 30, 1999
Experimental designation: CW 58086