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Resistance of wheat varieties to bunt at Moccasin, Montana, and North Platte, Nebraska
- Sutherland, J.L., Jodon, N.E.
- Agronomy journal 1934 v.26 no.4 pp. 296-306
- Triticum aestivum, variety trials, disease resistance, Tilletia laevis, Tilletia tritici, seed-borne fungi, strains, varieties, geographical distribution, varietal resistance, Montana, Nebraska
- Taken as a whole and for the varieties included these data seem to afford little or no evidence for the belief that the forms of bunt at the two stations are substationally different or that the results vary from year to year. It is true that the relative infection of certain varieties is somewhat different in some cases; however, it seems more reasonable to attribute this to environment rather than to physiologic forms of bunt. The results are of particular interest in suggesting that data on bunt reaction for a single year are a fairly reliable criterion of what may be expected in any other year, and for either location, provided good infection of susceptible varieties is secured, and provided no new forms of bunt appear. This is directly in contrast with yield determinations in which the relative yield of varieties is known to fluctuate greatly from year to year. This suggests that bunt resistance tests need be of relatively short duration especially for susceptible varieties, and likewise that the results for any one location in the Great Plains may have a rather wide application.