The pollen activity and regularity of monosomics were lower than those of trisomics and diploids.
4大白菜不同非整倍体株系花粉活力均有差异，花粉整齐度也有相同趋势，单体花粉活力与整齐度均低于二倍体和三体，3号单体的花粉活力和整齐度最低。
参考来源 - 大白菜部分非整倍体的有性生殖特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Main floral characteristics of Xiangli (Pyrus bretschneideri Rehd) were observed and pollen activity was synthetically studied in the paper.
在观察香梨的花器特征的基础上，对花粉量、花粉生活力及花粉萌芽力进行了综合研究。
Conclusion: Pollen has the function of promoting the ultrastructure of senility rat to maintain activity, to enhance immune and antioxidant function which could postpone senility.
结论：花粉有促进老年大鼠胸腺超微结构维持活力，有增强免疫和抗氧化功能从而能延缓衰老。
In this paper, extraction, separation, purification and biological activity of Lotus bee pollen polysaccharide are researched, the results are as follows: 1.
本文对莲花蜂花粉多糖的提取、分离、初步纯化及生物活性进行了研究，结果如下：1。
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