Journal
CANADIAN JOURNAL OF PLANT SCIENCE
Volume 102, Issue 2, Pages 442-448Publisher
CANADIAN SCIENCE PUBLISHING
DOI: 10.1139/cjps-2021-0155
Keywords
Wheat; grain; yield; stability; cultivar; ultra-early; climate; agronomy; planting
Categories
Funding
- Alberta Wheat Commission [17AWC44A]
- Western Grains Research Foundation
- wheat producers of Alberta
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Ultra-early wheat growing systems based on soil temperature triggers can increase grain yield stability and overall growing system stability of spring wheat.
Ultra-early wheat growing systems based on soil temperature triggers for planting instead of arbitrary calendar dates can increase grain yield and overall growing system stability of spring wheat (Triticum aestivum L.) on the northern Great Plains. We conducted field trials at three sites in western Canada from 2017 to 2019 to evaluate the suitability of Canadian spring hexaploid wheat cultivars and market classes for use within ultra-early spring wheat growing systems. All cultivars and classes exhibited improved grain yield stability (lower adjusted coefficient of variation values) and optimal grain yield when planted ultra-early at 2 degrees C soil temperature rather than delaying planting to 8 degrees C.
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