1. WL 338SR is a 166-plant synthetic variety resulting from phenotypic recurrent selection for resistance to Sclerotinia crown and stem rot. Parental germplasm traces to ABT 400 SCL, Ovation and WL 332 SR. Approximate germplasm source contributions are M. falcata (6%), Ladak (19%), M. varia (24%), Turkistan (I 16/o), Flemish (39%), and Chilean (1%).
2. WL 338SR is adapted for use in the North Central and East Central regions of the United States. WL 338SR has been yield tested in Illinois, Ohio, Pennsylvania, and Wisconsin.
3. Flower color of WL 338SR at syn2 approximates 100% purple with a trace of variegated and cream. The fall dormancy of WL 338SR is similar to Legend (Class 4).
4. WL 338SR has high resistance to anthracnose (race 1), bacterial wilt, Fusarium wilt, Phytophthora root rot, Aphanomyces root rot (race 1) and blue alfalfa aphid, and resistance to Verticillium wilt, Sclerotinia crown and stem rot, and pea aphid. Reaction to spotted alfalfa aphid, stem nematode and root knot nematode has not been adequately tested.
5. Breeder seed (synl) was produced in 1997 on 166 plants under cage isolation at Bakersfield, California. Suff'cient foundation (syn2) seed will be produced for the expected life of the variety and will be maintained by W-L Research. One generation of breeder (syal), two generations of foundation (syn2 or 3), and three generations of certified (syn2, 3 or 4) seed are recognized. The maximum permitted length of stand for foundation and certified seed fields are three and five years, respectively. Foundation seed must be produced above 40 degrees North latitude. Production of syn3 foundation seed requires consent of the breeder.
6. Certified seed will be marketed in 2000.
7. No decision has been made for Plant Variety Protection Act.
8. The information in this application may not be forwarded to the PVP offce.
9. Variety name WL 338SR
Experimental designations C416
Date NA&MLVRB first accepted this variety lanuarv 1.2000
Dates previous amendments were accepted None
Date this amendment submitted November 1. 2001