Trumpetor
1. Trumpetor was developed by crossing a Verticillium wilt resistant Flemish variety with three populations selected from Gladiator and Arc for resistance to anthracnose, stem nematode or Fusarium wilt plus high seed yield. The Verticillium wilt resistant variety was crossed with the three experimental lines independently for a total of three crosses. These crosses were made by hand in the greenhouse. Seed was harvested following the three population crosses and bulked. Breeder seed (Syn 1) was produced by planting the bulked seed and increasing it under isolation near Othello, WA.
2. Trumpetor is intended for use in the northern U.S. where Verticillium wilt is a problem. It will be used for hay, haylage and greenchop. It has been tested in Washington, Idaho, Minnesota, Wisconsin, Iowa, Nebraska, Tennessee and Missouri.
3. Trumpetor is similar to Saranac in fall dormancy. About 3% of the plants have a variegated flower color, 27% light purple and about 70% medium to dark purple.
4. Trumpetor has resistance to Fusarium wilt, anthracnose and pea aphid. It has moderate resistance to Verticillium wilt, bacterial wilt, stem nematode and low resistance to spotted alfalfa aphid. It is susceptible to Phytophthora root rot.
5. Adequate breeder seed (Syn 1) has been produced for the life of the variety. Seed classes will be breeder, foundation, certified. Limitation on age of stand for producing breeder, foundation and certified will be two, three and five years respectively.
6. Certified seed will be available in 1982.
7. Plant variety protection application is not planned.