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十一月中旬时胚珠原体凸出胎座表面。Ovule primordia occur from placenta in mid November.

营养物质通过珠柄传递到胚珠和种子。Nutrients pass through the funicle to the ovule and seed.

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胚珠的异常常伴随着花药的异常而发生。The abnormal ovule often appear simultaneously with the abnormal anther.

已受精的卵子成为种子，而子房变成了果实。The fertilized ovule becomes the seed , and the ovary becomes the fruit.

由WUS建立的信号体系还参与胚珠的发育。The signal system established by WUS is also involved in ovule development.

本文对拟南芥胚珠发育的分子调控机制进行了综述。This paper reviews the progress made in the investigation of ovule development.

子房2室，胚珠多列，花柱丝状，柱头舌状扁平。Ovarian 2 rooms, ovule much line, style filiform, post tongue shape is compressed.

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大多数种子的形成是从胚珠受精开始的。Seed development in most instances commences following fertilization of the ovule.

初生合点吸器沿着胚珠的维管组织分支。The primary chalazal haustorium ramifies around the vascular tissues of the ovule.

本文首次报告了甜菜远缘杂交胚珠培养的结果。This paper reported the first results of ovule culture in beet wide hybridization.

亲和的花粉管到达胚珠，在胚囊中裂开后释放出精细胞。Compatible pollen tubes reach the ovule where they burst and release the sperm cells.

胚囊位于珠心顶部，胚囊下方的珠心组织形成珠心柱。Embryo sac lies on the top of nucellar. Nucellar tissuesunder ovule form nucellar colum.

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一旦受精卵形成，胚珠就变成一颗种子，整个子房就变成一个水果。Once the egg is fertilized, the ovule becomes a seed, and the whole ovary becomes a fruit.

胚珠是研究器官形态发生和模式建成遗传分子机理的一个理想系统。The ovule has been used as an excellent model system to study morphogenesis and organogenesis.

商陆属植物的胚珠维管束明显地来自花托的维管组织。The vascular bundle of ovule of Phytolacca is evidently from the vascular tissue of receptacle.

显花植物的成熟子房，通常是胚珠受精后形成。Fruit The ripened OVARY of a flower that is usually formed following fertilization of the ovule.

产生雌配子的雌配子体在大孢子囊即胚珠的珠心处发育。A female gametophyte of the female gametophyte in the sporangium ovule is the heart of the beads.

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实验结果说明花粉管的定向生长受胚珠的分子信号调控。It is suggested that directional growth of pollen tubes are controlled by molecular signal in ovule.

赤霉素处理的未授粉的胚珠与有种子的胚珠，其坐果和果实生长相似。The fruit setting and growth of GA-treated un-pollinated ovule are similar to that of ovule with seed.

子房、胚珠和胚培养、染色体加倍可用来克服远缘杂种的不育性。The sterility of distant hybrid can be overcome by ovary, ovule and embryo culture, chromosome double.