Trait Selection for Yield Improvement in Foxtail Millet (Setaria italica Beauv.) under Climate Change in the North China Plain
文献类型： 外文期刊
作者： Zhang, Wenying 1 ; Wang, Bianyin 1 ; Liu, Binhui 1 ; Chen, Zhaoyang 1 ; Lu, Guanli 1 ; Ge, Yaoxiang 3 ; Bai, Caihong 3 ;
作者机构： 1.Hebei Acad Agr & Forestry Sci, Dryland Farming Inst, Hengshui 053000, Peoples R China
2.Key Lab Crop Drouht Tolerance Res Heibei Prov, Hengshui 053000, Peoples R China
3.Yulin Normal Univ, Coll Agron, Yulin 537000, Peoples R China
4.Yulin Normal Univ, Educ Dept Guangxi Zhuang Autonomous Reg, Key Lab Conservat & Utilizat Subtrop Bioresources, Yulin 537000, Peoples R China
关键词： foxtail millet; weather factor; yield variation
期刊名称：AGRONOMY-BASEL （ 影响因子：3.949； 五年影响因子：4.117 ）
ISSN：
年卷期： 2022 年 12 卷 7 期
页码：
收录情况： SCI
摘要： Weather factors and drought could impact the yield of foxtail millet, and varieties with traits that could alleviate the negative effects of deteriorating weather factors in the future should be developed. A total of 25 foxtail millet varieties were evaluated in experiments from 2016 to 2020 under well-watered (WW) and water-stressed (WS) treatments. Future climate change might favor an increased temperature that impedes grain yield, so varieties with characters that are less sensitive to temperature change are preferred. Varieties with a high panicle dry-weight per plant, thousand grain weight, leaf area and water productivity in deep soil layer usually gave better grain production under both water treatments. Under the WW treatment, low grain abortion rate, optimal chlorophyll and canopy temperature and more roots in the upper soil layer could favor a high yield and drought resistance. Under the WS treatment, varieties with a high harvest index, low rate of water loss and more roots in the upper soil layer usually produced a high yield.
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