植物有性生殖

由于双受精深藏于母体组织中进行，长期以来一直是植物有性生殖研究中的难点。

The process occurs deep within maternal tissues , and therefore , has been a particularly difficult field in the study of sexual plant reproduction .

植物有性生殖对大气CO2浓度变化响应的研究进展

A review on responses of plant sexual reproduction to elevated co_2

传粉生态学是植物有性生殖研究的核心内容。

Study on Pollination Biology is the core subject of Plant Sexual Reproduction .

摘要花粉管的极性顶端生长是将雄配子体运输到子房的过程，在高等植物有性生殖过程中起著重要的作用。

Pollen tubes are the polarized tip-growing system that delivers the male gametes towards the ovaries , which is very essential for sexual reproduction in higher plants .

花粉的萌发和生长是植物有性生殖发育的重要生理过程，也是研究植物细胞极性生长、分化、以及胞内胞外信号转导的重要体系。

The germination and growth of pollen is one of the most important physiological process of sexual reproductive development , and it is an important system for research of polarized growth , differentiation , intracellular and extracellular signal transduction in plant cell .

钙、钙调蛋白与植物的有性生殖

Calcium , Calmodulin in plant sexual reproduction

植物的有性生殖过程对其栽培和育种具有重大影响。

The process of sexual reproduction has a great effect on plants cultivation and breeding .

高等植物的有性生殖是一个复杂的发育过程，包括一系列连续的发育事态。

Sexual reproduction of higher plants is a complex process including a series of delicate developmental processes of sexual organs and cells , and some special time and special interactions between male and female tissues .

在雌蕊先熟和雄蕊先熟植物中，有性生殖的功能可能重叠，如果异花受粉失败后，就允许自花受粉。

In protogyny and protandry there may be overlap in function between the sexes allowing for self-pollination if cross-pollination fails .

大多数的濒危植物都存在有性生殖障碍，通过对珙桐的大小孢子及雌雄配子体形成的研究，发现在这一过程没有异常。

Through the study on the megasporogenesis , microsporogenesis and development of gametophytes in Davidia involucrate , we found that there is no abnormal phenomenon in the process .

这些植物通常是来自有性生殖植物的杂交产生的多倍体，大量的这些无性繁殖系已被广泛采用。

These are often polyploids derived from hybridization between sexual species and many of these clones have spread .

主要结果如下：1、植物生殖系统基因转化，是利用植物有性生殖过程中的有性细胞或组织为受体，采用基因工程的手段改良植物的技术领域。

Following aspects will be tackled : 1 . Plant reproductive cell-mediated transformation system belongs to the technical area of plant improvement by the plant genetic engineering , in which sexual cell or tissues concerning with sexual reproduction process is regarded as transforming receptor .

开花是高等植物由营养生长转向生殖生长的标志之一，决定着植物的有性生殖。

Flowering is one manifestation of higher plants transiting from vegetative to reproductive growth .

PCD是植物发育过程中的一种普遍现象，植物生殖器官中一些细胞的死亡对植物有性生殖具有重要作用。

PCD during sexual reproduction in plants is a universal phenomenon in the development of plants . The degeneration of some cells in the procreating apparatus is very important for the sexual reproduction .