The near isogenic lines with Oleson did not affect the spikelet numbers and flag leaf length of backcrossing male parents.
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.
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；
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