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116问答网 > 玉米的三叶期是指出了4片叶还是3片叶时，算不算茎尖？

玉米的三叶期是指出了4片叶还是3片叶时，算不算茎尖？

2025-03-15 10:26:53

推荐回答（3个）

回答1：

　　不算茎尖。玉米的三叶期是指有三个展开的叶片和一个未展开的新叶（即三叶一心）。玉米植株3-5叶期对玉米田的除草剂忍耐力最强，所以，生产除草剂的厂家都标明在这个生育阶段里施药除草。

回答2：

玉米三叶期是指玉米苗完全展开叶达到3片叶的时期，所以在第四片叶没完全展开前都是三叶期

回答3：

我觉得是要算的

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