The Effect of Cultivar, Seeding Date and Seeding Rate, on Triticale in the Western Canadian Prairies
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Abstract
Triticale (× Triticosecale Wittmack) is a minor cereal crop in Alberta that has garnered interest as a biofuel feedstock. Little agronomic information has been reported on triticale cultivars released since 1990. Field experiments were conducted at four sites in Alberta to compare cultivar selection, seeding date and seeding rate on grain yield, grain quality, and other agronomic traits. Six triticale cultivars released between 1996 and 2011, and one Canadian Western Soft White Spring (CWSWS) wheat cultivar were evaluated over two seeding dates and three seeding rates. Triticale cultivars differed in yield and quality in all environments, and yielded more grain than CWSWS wheat in five of seven environments, however CWSWS wheat exhibited greater grain quality. Triticale yield increased linearly with seeding rate in five of seven environments. Any seeding date that allowed the accumulation of 1750 growing degree days (Base = 0oC) is sufficient for triticale to mature in Alberta.