Breeding hard red winter wheats for the Northern Great Plains area
1947
Ausemus, E.R. | Bamberg, R.H.
A large number of strains have been selected from crosses of winter wheats with either Hope or H-44 (spring wheats). These have been tested in the plot and nursery trials at St. Paul and Waseca, Minn., for their winterhardiness, disease resistance, and milling and baking characteristics. Data from these trials are presented, and in addition data are given on three spring wheats for comparison. Cold resistance tests were made on these strains by growing them in the greenhouse and freezing in low temperature chambers. Correlation coefficients calculated for winter injury in the field versus cold resistance, as determined by the artificial freezing in cold chambers, were low. It may be that all these strains are equally cold resistant or perhaps the field test does not always bring out true differences in cold resistance. Strains have been obtained from these crosses and backcrosses that are relatively satisfactory in yield, winterhardiness, leaf and stem rust resistance, and in milling and baking characteristics. A number of the strains produced from the winter wheat crosses and backcrosses are equal to or superior to three spring wheats in yield, leaf and stem rust resistance, and in certain quality characters. In Montana, progress is being made in the breeding of hardy winter wheats that are resistant both to dwarf and ordinary smut.
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