高粱具有产量高，耐旱，耐涝及抗盐碱等不良环境的特性，是一个全球性的重要作物。

It has the characteristics such as high yield, drought and waterlogging tolerance, saline and alkaline bearing etc, so it is an important crop in the world.

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表明两亲本自交系间耐涝性的差异与其抵御活性氧毒害能力的强弱有关。

It is suggested that the difference of waterlogging tolerance between two parental inbred was positively correlated with their ability to resist the toxicity of biological active oxygen.

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主要介绍植物水分逆境下涝害产生机制以及植物耐涝机理的研究现状，并提出和讨论了有关该领域有待进一步探讨的问题。

In the paper, the theory about the damage of flood and the theory of water-logging resistance was mainly introduced. Some suggestions in this field were also pointed out.

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