本文对小麦植株叶片保卫细胞长度进行了测量。
当小麦植株令其缺钾时，丙酮酸激酶活性随之升高。
When wheat plants allowed to become deficient in potassium, pyruvate kinase activity increased.
第二，小麦植株上的繁殖部位离得很近，所以小麦更倾向于自花授粉。
Second, the reproductive parts of the wheat plant are close together, so wheat tends to self-pollinate.
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