从齐穗期至成熟期、乳熟期倒伏危险性最大；

The lodging danger was biggest at the milk-ripe stage.

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齐穗期和成熟期细胞间隙CO2浓度与产量呈显著正相关。

There was a significant positive correlation between the intercellur CO2 concentration at full heading and filling stages and grain yield.

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采用拌种和齐穗期叶面喷施研究了锐劲特对水稻生长和产量的影响。

Studies were carried out on effects of Regent on growth and yield of rice with seed treatment and leaf spraying.

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