|
ABI 9110
1. ABI 9110 is a synthetic variety with 88 parent clones. Parent clones trace to 12 populations selected for resistance to the following pests: bacterial wilt, Fusarium wilt, Verticillium wilt, Phytophthora root rot, anthracnose (Race 1), and Aphanomyces root rot (Race 1). Phenotypic recurrent selection was used. Final selections were made from two-year-old space-plant selection nurseries near Marshfield and Livingston, WI, based on vigor, leafhopper yellowing resistance, leaf disease resistance, winter survival and fall dormancy reaction. Parentage traces to Evolution (20%), Quantum (16%), ABI 9022 and ABI 9031 (11% each), ABI 9012, ABI 9021 and Allegro (7% each), ABI 9020 and Green Field (6% each), ABI 9030(5%) and ABI 9033 and ABI 9042 (2% each). Approximate germplasm source contributions are: M. falcata (8%), Ladak (8%), M. varia (20%), Turkistan (15%), Flemish (32%), Chilean (8%), Peruvian (4%) and 5% unknown. Breeder seed (Syn 1) was produced on cuttings of the parental clones near Nampa, ID, in 1991. An equal number of cuttings (approximately 35) of each parental clone was transplanted at random into an isolated block and harvested in bulk. 2. ABI 9110 appears to be adapted to and is intended for use in the North Central United States. It has been tested in Iowa, Illinois, Wisconsin and Nebraska. 3. Fall dormancy of ABI 9110 is similar to Vernal, flower color of Syn 2 generation is approximately 65% purple and 35% variegated, with a trace of cream, white and yellow. 4. ABI 9110 has high resistance to bacterial wilt, Fusarium wilt, anthracnose (Race 1) and Phytophthora root rot, and resistance to Verticillium wilt and Aphanomyces root rot (Race 1). It has not been tested for reaction to pea aphid, spotted alfalfa aphid, blue alfalfa aphid, stem nematode or root knot nematode. 5. Seed increase is limited to one generation each of breeder (Syn 1), foundation (Syn 2) and certified (Syn 2 or 3) seed classes. Certified seed may be produced from either breeder or foundation classes. A 1, 3 and 6-year stand life is permitted on fields producing breeder, foundation and certified classes, respectively. Foundation seed production is limited to the Pacific Northwest. Breeder seed was produced in 1991. ABI will maintain sufficient seed stocks for the projected life of the variety. 6. Certified seed will be available in 1994. 7. Plant Variety Protection will not be applied for. 8. This information can be forwarded to the PVP office.
|