Date of this Version
Stroike, J.E., Johnson, V.A., Schmidt, J.W., Mattern, P.J. and Wilhelmi, K.D. (1974) Results of the fourth international winter wheat performance nursery (Research bulletin No. 265)
The Fourth International Winter Wheat Performance Nursery was grown in 1972 at 44 sites in 27 countries. Data were reported from 40 sites. The 30 cultivars grown in the nursery included 15 new entries. Twenty-nine cultivars were winter wheats; one was a spring wheat. Data are reported on grain yield, test weight, plant maturity, plant height, lodging, shattering, winter survival, 1000 kernel weight, frost damage, plant diseases, grain protein and lysine content. Two-year mean data summaries also are reported. Supplemental nursery management information is reported for each nursery site.