Yield and herbage quality of North American alfalfa varieties in Estonian climatic conditions
2000
Bender, A. (Jogeva Plant Breeding Inst., Jogeva (Estonia))
Within the farmerwork of cooperation programme between USA and Baltic states 18 varieties of USA and 12 of Canadian origin were tested at the Jogeva Plant Breeding Institute in 1993...1998, aiming at investigation of their winter survival, yield capacity and forage quality. Only two varieties were found among the American ones in the trial which turned out to be competitive in comparison with Estonian local varieties when dry matter yield and longevity of the stand, derived from winterhardiness were considered. These were variety 'MN GRN-14', originating from Minnesota state and variety 'Denali' originating from Alaska. Crude protein content and yield for both the varieties remained lower than that with of Estonian varieties. Among the 12 Canadian varieties in the trial, six turned out to be outstanding by winter survival, presistence of the stand and dry matter yield. Assessed on the basis of crude protein content in the herbage dry matter, the North American alfalfa varieties did not reveal to have any advantages in herbage quality
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تم تزويد هذا السجل من قبل Estonian University of Life Sciences