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本文比较了两个水稻品种在孕穗期和开花期的旱害,并联系株内的水分状况的改变来说明品种差异的原因。从本试验结果可看出体内水分的重新分配是植株对干旱的适应反应之一,器官生长发育速度的调节是抗旱的一个有效方式。
In this paper, we compared the drought resistance of two rice cultivars at booting and flowering stages and explained the reasons for the differences in the cultivars in relation to the changes in the water status in the plants. It can be seen from the results of this experiment that the redistribution of water in vivo is one of the adaptive responses of plants to drought. The regulation of organ growth and development rate is an effective way to combat drought.