ZG 9641
1. ZG 9641 had 305 parent plants tracing to the varieties TMF 4464 (185) and ABI 9142 (120). These varieties were seeded into replicated (6) plots at Warrensburg, MO in September 1992. Plots were grazed continuously for approximately 145 days in 1993, 1994 and 1995. Plots were undercut in September 1995 with the healthiest plants with large symmetrical crowns saved. Breeder seed (Syn 1) was produced in the greenhouse on the 305 parent plants and harvested in bulk in the spring of 1996. Additional breeder seed was produced in the field near Nampa, ID in 1996 from the original parent plants plus approximately 20 cuttings of each clone transplanted at random and harvested in bulk  Estimated % germplasm sources contributing to the genetic constitution of this variety.
M. falcata
  
Ladak
  
M. varia
  
Turkistan
  
Flemish
  
Chilean
7
  
7
  
19
  
15
  
37
  
9
                     
Peruvian
  
Indian
  
African
  
Arabian
  
Unknown
    
6
                    
2. ZG 9641 appears to be adapted to the North Central and East Central regions of the U.S.. It is intended for use in the North Central and East Central regions of the U.S.. It has been tested in Iowa, Wisconsin, Illinois, Kansas and Pennsylvania.

3. Fall dormancy of ZG 9641 is similar to Saranac. Flower color of Syn 2 generation is approximately 70% purple, and 30% variegated with a trace of cream, white and yellow. Tolerance to intensive grazing is similar to Alfagraze.

4. ZG 9641 has high resistance to bacterial wilt, Verticillium wilt, anthracnose (race 1), Phytophthora root rot, Aphanomyces root rot (race 1), and resistance to pea aphid. It has not been tested for reaction to blue alfalfa aphid, spotted alfalfa aphid, stem nematode, root knot nematode and Fusarium wilt.

5. Seed increase is limited to one generation each of breeder (Syn 1), foundation (Syn 2) and certified (Syn 3) seed classes. Certified seed may be produced from either breeder or foundation classes. A 2, 3 and 6 year stand life is permitted on fields producing breeder, foundation and certified seed classes respectively. Foundation seed production is limited to the Pacific Northwest. Breeder seed was produced in 1996. ABI will maintain sufficient seed stocks for the life of the variety.

             6. Certified seed will be available in 1999.

            7. Plant Variety Protection will not be applied for.

            8. This information can be forwarded to the PVP office.

            9. Variety Name: Date Submitted: November 1998

            Experimental designations: ZG 9641
 
 
 
 
 
 
 
 

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