1. Tango is a synthetic variety with 30 parent plants. Parents were selected for late summer growth, high seed yield, multifoliolate leaf expression and resistance to one or more of the following diseases: Phytophthora root rot, anthracnose (race I), Fusarium wilt and Verticillium wilt. Phenotypic recurrent selection was used. Parents trace to the varieties Tahoe, Parade , FG 6J92, and FG 6J95. Approximate germplasm source contributions are: M. falcata (1%), Ladak (12%), M.varia (5%), Turkistan (22%), Flemish (11%), Chilean (11%), Peruvian (1%), Indian (12%), African (16%) and unknown (9%).
2. This variety is adapted to the Southwest U. S. This variety has been tested in California and Idaho and will be used in the Southwest U. S.
3. This variety has fall dormancy similar to FD6 checks. Flower color (Syn2) is 100% purple with a trace of variegated, yellow, cream and white.
4. This variety has high resistance to Fusarium wilt, anthracnose (race 1), Phytophthora root rot, Verticillium wilt, pea aphid and spotted alfalfa aphid; resistance to blue alfalfa aphid and northern root knot nematode; and moderate resistance to stem nematode and bacterial wilt Reaction to Aphanomyces root rot (race 1) has not been tested.
S. Seed increase is on a limited generation basis with one generation of breeder and two generations of foundation and certified seed classes. Breeder (Syn 1), foundation (Syn2 or Syn3), and certified (Syn3 or Syn4) class will be recognized. Production of Syn3 foundation seed requires consent of the breeder. Breeder seed was produced near Nampa, Idaho in 1994. Sufficient foundation seed for the projected life of the variety will be maintained by Forage Genetics. Stands of foundation and certified seed fields are limited to 3 and 6 years, respectively.
6. Certified seed will be marketed in 1997.
7. No decision has been made concerning Plant Variety Protection Act.
8. The information in this application can be forwarded to the PVP office.
9. Variety name: Tango
Experimental designations: FG 6B99, UN-6B99
Date NA&MLVRB first accepted this variety: January 1997
Dates previous amendments were accepted: none
Date this amendment submitted: November 1, 1997