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Fig. 5. Grain yield (6-yr mean) of eight wheat cultivars as a function of year of release. Cultivars were grown under irrigation and optimal management, including disease and lodging protection, in each of six winter growing seasons (1990–1995) at CIANO (Centro de Investigaciones Agricolas de Noreste) experiment station, Sonora, northwest Mexico. Cultivars were derived from CIMMYT germplasm, and are listed in Table 3. Reprinted with permission from Sayre et al. (1997).
