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dong xiao mai da li pin zhong qi ye guang he zuo yong de yan jiu
Author(s): 
Pages: 9-14
Year: Issue:  S1
Journal: Acta Agriculturae Boreali-Sinica

Keyword:  冬小麦旗叶光合作用聚类分析;
Abstract: 测定了41个冬小麦大粒品种的旗叶光合性能,发现品种间有很大差异:表现光合速率平均为15.54±4.56mgCO2.dm-2,h-1,光呼吸平均为26.77%±9.19%,高氧抑制光合作用,光合下降量为43.26%±10.54%;低氧促进光合作用,氧浓度每下降1%,光合强度平均提高1.41%,高温下光合下降量为43.26%±34.44%.据此进行了聚类分析,41个品种共分为四类,即高光合类,低光合类,适应性强类和适应性差类.
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