小麦旗叶因细胞中叶绿体数目较多，叶绿体中基粒类囊体数量多，而对小麦籽粒的产量有着决定性的作用。
根系衰老与旗叶衰老、及与籽粒灌浆速率密切相关。
There was a close correlation among root senescence and flag leaf senescence and grain filling rate.
在小麦旗叶衰老过程中，POD可能比SOD起着更重要的作用。
POD may play more important role in senescing flag leaves than SOD.
奥尔森矮源近等基因系对回交父本的小穗数没有影响，对旗叶长影响比较小；
The near isogenic lines with Oleson did not affect the spikelet numbers and flag leaf length of backcrossing male parents.
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