GH757 is adapted to and intended for use in the North Central and East Central regions of the United States. GH757 has been yield tested in Illinois, Pennsylvania and Wisconsin.
- Flower color of GH757 at Syn 2 approximates 100% purple with traces of cream and variegated. The winter survival of GH757 is similar to Dart (Class 3), and the fall dormancy of GH757 is similar to Legend (Class 4).
- GH757 has high resistance to anthracnose (Race 1), bacterial wilt, Fusarium wilt, Verticillium wilt, Phytophthora root rot, Race 1 Aphanomyces root rot and Race 2 Aphanomyces root rot; resistance to pea aphid and spotted alfalfa aphid; and moderate resistance to stem nematode and northern root-knot nematode. Reaction to blue alfalfa aphid has not been adequately tested.
- Breeder seed (Syn 1) was produced in 1995 on plants under cage isolation at Warden, Washington. Sufficient foundation seed for the expected life of the variety will be maintained by W-L Research. Foundation seed must be produced above 40 degrees North latitude. One generation of Breeder (Syn 1) and two generations each of Foundation (Syn 2 or 3) and Certified (Syn 3 or 4) seed are recognized. The maximum permitted length of stand for Foundation and Certified seed fields are three and five years, respectively Production of Syn 3 Foundation seed requires consent of the breeder.
- Certified seed will be marketed in 1998.
- It is undecided whether application will be made for Plant Variety Protection.
- The information in this application can be turned over to the PVP office.
- Variety Name: GH757 Date Submitted: November, 1997
Experimental Designation: W215
Date NAVRB first accepted this variety: January 1998
Date this amendment submitted: November 1998