germination index vigor index 发芽指数和活力指数
The variation of pollen vigor of Iris in the different storage conditions was studied and the germination and the growth of pollen tube in different temperatures were also studied.
主要研究鸢尾在不同贮藏条件下保存的花粉活力的变化，以及温度对花粉管萌发和生长的影响。
There were obvious difference on drought resistance among the varieties, higher drought resistance varieties kept higher vigor of germination and germination (capacity).
但不同的玉米品种在抗旱性上存在极显著差异，抗旱性强的品种在水分胁迫下仍然保持较高的发芽势和发芽率。
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