TRIALFALON
1. Trialfalon is a synthetic variety with 220 parent plants which were selected sequentially for multifoliolate leaf expression and for resistance to Phytophthora root rot and Aphanomyces root rot (race 1). Parent plants were selected from crosses between selections from Wisconsin clonal nurseries where clones were selected from various populations which were developed by phenotypic recurrent selection for high relative feed value (using Near Infrared Reflectance Spectroscopy), and for resistance to one or more of the following pests: bacterial wilt, verticillium wilt, Phytophthora root rot, Aphanomyces root rot (race 1), anthracnose (race 1), and Leptosphaerulina leafspot. Parentage of Trialfalon traces to the following germplasm. sources: BigHorn , AlfaStar, DK 142, Gold Plus and miscellaneous Cal/West Seeds breeding populations. Approximate germplasm source contributions are as follows: M. falcata (8%), Ladak (6%), M. varia (25%), Turkistan (4%), Flemish (48%), and Chilean (9%).
2. Trialfalon is adapted to the north central and east central areas of the U.S. and is intended for use in the north central and east central areas of the U.S.. Trialfalon has been tested in Wisconsin, Minnesota, Michigan, and Pennsylvania.
3. Trialfalon is a moderately dormant variety with fall dormancy similar to FD class 4 check varieties. Flower color observed in the syn2 generation is approximately 93% purple, 7% variegated, with a trace of white, cream, and yellow.
4. Trialfalon has high resistance to anthracnose (race 1), bacterial wilt, Fusarium wilt, Verticillium wilt and Phytophthora root rot, with resistance to Aphanomyces root rot (race 1), spotted alfalfa aphid, pea aphid, and stem nematode. Reaction to blue alfalfa aphid and root knot nematode has not been adequately tested.
5. Seed increase of Trialfalon is on a limited generation basis with one generation of breeder and two generations 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 cage 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 Trialfalon will be available in 1999.
7. No decision has been made regarding Plant Variety Protection.
8. This information can be forwarded to the PVP office.
9. Variety name: Trialfalon
Date submitted: November 30,1999.
Experimental designation: CW 54007