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。
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.
在液滴培养盐胁迫条件下，棉花花粉粒萌发的百分率是反映其耐盐性的可靠指标，而花粉管的长度不能反映棉花的耐盐性。
The pollen germination percentages of the same 8 cultivars by sitting drop culture were also proved to be reliable indexes of salt tolerance, but pollen-tube growth were not.
在生物结皮的发育过程中，其与维管植物萌发和定居间的关系也存在几种不同的观点。
There are some different viewpoints on the development process of soil crusts, the relationship between biological soil crusts and the colonization and propagation of vascular plants.
在生物结皮的发育过程中，其与维管植物萌发和定居间的关系也存在几种不同的观点。
There are some different viewpoints on the development process of soil crusts, the relationship between biological soil crusts and the colonization and propagation of vascular plants.
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