配子体的

The microsporogenesis and development of male gametophyte in Tsoongiodendron odorum Chun were observed by using the paraffin section method.

采用石蜡切片法对观光木的小孢子发生和雄配子体发育进行了解剖学研究。

To the map,263markers (255 AFLP,7 SSR and the gametophyte sex) were assigned.

这些观察结果将有助于海带配子体克隆资源的保存和开发利用。

Optimizing culture condition of gametophyte should abide by such principle as maintaining lower pH and higher CO2 concentration.

优化海带配子体培养条件时维持海水培养基低pH（pH8.1-8.3）及高CO_2浓度是保证无机碳素充分供应的基本条件。

This article summarizes the culture of clone study in gametophyte Lami naria, and its application to idioplasm resources and the production of breedin g and seeding.

综述了有关海带配子体克隆研究进展以及在种质资源和苗种生产中的应用情况。

Pollen is the male_gamete of seed plant, which plays an important role in sexual reproduction.

花粉是种子植物的雄配子体，在有性繁殖中发挥着重要作用。

Botrychium, and in gymnosperms it pushes the embryo into the female gametophyte tissue.

某些种类的石松属植物(例如卷柏属 Selaginella)、少数蕨类(例如阴地蕨属 Botrychium)和裸子植物中胚柄将胚胎推入雌性配子体中。

The results showed that the extracting liquor of Rhytidium rugosum, Rhytidiadelphus squarrosus, Anomodon minor subsp. Integerrimus, Racomitrium japonicum and Conocephalum conicum have obviously promotive effect on the growth of the main radicle and germ of Zea mays. The extracting liquor of seven species of bryophytes all have restrictive effects on the increasing number of the lateral roots.

结果显示：垂枝藓、粗枝拟垂枝藓、牛舌藓扁枝亚种、东亚砂藓和蛇苔明显促进了玉米主胚根和胚芽的生长。7种苔藓植物配子体水提液均表现出抑制玉米侧根数增加。

In this paper, the biological characteristics of florescence, spikelet and inflorescences structure, morphogenesis formation of inflorescence, megasporogenesis and the development of female gametophytes were studied systematically by using anatomy structure, scanning electron microscopic and paraffin section methods. The results were as followed:(1) Phyllostachys praecox was the bamboo flowering fragmentarily; the cultivation changed the characteristic of flowering; the plantlets of flowering were complex and splitted into three kinds: the plantlet flowering before continued flowering; the plantlet flowering before stopped flowering and the plantlet changed into flowering. The inflorescence of Ph. praecox was indefinite inflorescence or called false inflorescence, and actually it was flower stress structure. Its basal unit was pseudospikelet with two kinds: apical spikelet and lateral spikelet. The floret had one lemma, one pelea, three stamens, one pistil and three lodicules.

本研究综合运用形态解剖学、扫描电镜、石蜡切片等技术手段，对雷竹花期生物学特性、小穗与花序构造、花序形态建成过程、大孢子发生与雌配子体发育等进行了较为系统的研究，结果表明：(1)雷竹为零星开花竹种，耕作条件对其开花特性具有重要影响；开花植株类型复杂多样，可以分为以前开过花现在继续开花、以前开过花现在停止开花以及以前未开过花现在转为开花等3种类型；雷竹花序为无限制花序或称&假花序&，实为花枝结构，基本单位为&假小穗&；假小穗有顶生和侧生之分；小花具内外稃各1枚，雄蕊3，雌蕊L，另具3枚大小不等之鳞被。

Segregation distortion regions (clusters of 3-6 makers) were detected on 5 chromosomes, indicating that possible causes for segregation deviation of molecular markers are gametic selection.

在5条不同染色体上发现6个偏分离热点区域，这些偏分离热点区域的形成可能与配子体选择有关。

We successfully cultivated the spores of P. ensiformis in mixed soil and observed spore germination and gametophytic development by microscopy.

本文报道了成功地采用混合土培养剑叶凤尾蕨的孢子，并系统地观察记录其孢子萌发及配子体发育过程。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。