Ovary superior, 2-carpellate, coherent, 1-loculed, rarely 3-5-loculed; ovules 2, rarely 1 per locule, pendulous from apex, anatropous with abaxial raphe and micropyle facing upward; funicle usually thickened above micropyle; style rarely developed, simple; stigmas 2(or 3-5), or coherent to capitate or peltate.

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The results showed that protuberance of fiber cells from TM-1 ovule was first appeared at the funiculus crest, then spread from the chalazal cap to the micropylar, this situation was also observed in mutants with fiber or fuzz, such as Naked seed (N1) and Ligon lintless.

結(jié)果表明棉花纖維突變體胚珠纖維分化突起與對(duì)照TM-1同樣首先發(fā)生在胚珠脊突處影音先锋久久资源网AV资源站，然后是合點(diǎn)處及胚珠中部美女视频黄免费，最后在珠孔端。

The development of the obturator and the micropyle correlates with that of the female gametophyte in P.

黃檗珠孔塞和珠孔的發(fā)育與雌配子體發(fā)育存在密切關(guān)系fc2免费黄色视频。

Our investigations indicate that the structure of the micropyle changes with the different stages of the reproductive process, and becomes asymmetrical during pollination.

我們對(duì)黃檗胚珠的珠孔的形態(tài)發(fā)育研究顯示91在线综合视频，在不同的生殖時(shí)期，珠孔的結(jié)構(gòu)會(huì)發(fā)生變化在线看国产精品DVD三级，在傳粉時(shí)期它的結(jié)構(gòu)顯示不對(duì)稱性露脸在线。

As the ovule is fully developed, the obturator becomes considerably large and closely covers the micropyle.

隨著胚珠生長，珠孔塞逐漸增大国产日本精品久久久久，胚珠成熟時(shí)珠孔塞變得相當(dāng)大并緊密地覆蓋在珠孔上亚洲图片中文字幕套。

Porogamy The usual method of fertilization in angiosperms in which the pollen tube enters the ovule by the micropyle.

珠孔受精：被子植物通常的受精方式」谝患睹夥巡豢ㄊ悠担花粉管通過珠孔進(jìn)入胚珠影音先锋女人鲁色资源网。

Female flowers: tepals 5 or 6 or several; carpels 2 or 3; ovary superior, 2- or 3-locular; styles 2 or 3, free, persistent; stigma broadly recurved; interstylar nectaries present or lacking; ovules 2 per locule, pendent, anatropous, bitegmic, crassinucellar; micropyle formed by inner integument or by both integuments.

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The ovule of development is the one nucellus that make a group at first organization, because basilar segmentation is rapidder and form or two bags by the layer, bead by , other nucellus the organization laps inside and next alveolus stays in one aspect of the matter, bead aperture .

發(fā)育的胚珠最初是一整團(tuán)珠心組織，由于基部的細(xì)胞分裂較快而形成一層或兩層包被層—珠被超碰在线播放人人，將其他珠心組織包裹在內(nèi)并在一端留下一個(gè)小孔—珠孔国产精品自拍视频,国产精品自拍。

These results revealed that the pollen chamber developmental pattern passed through four phases. Firstly, a group of nucellar cells at the micropylar end elongated longitudinally. Thereafter, the uppermost nucellar cells at the micropylar end initiated PCD; and these elongated cells undergoed PCD in a basally and laterally oriented direction to form a cavity.

貯粉室的形態(tài)發(fā)生可分為4個(gè)階段：最先是位于珠孔端的幾層珠心細(xì)胞縱向地伸長；接著，珠孔端最頂部的珠心細(xì)胞發(fā)生PCD嗯黄色视频在线观看公司；然后黄色三级日本，那些已經(jīng)縱向伸長的珠心細(xì)胞向基地和側(cè)向地依次發(fā)生死亡，產(chǎn)生貯粉室空腔h动漫一区二区；最后骚逼人人操人人玩，珠孔端的珠心表皮細(xì)胞發(fā)生開裂，形成貯粉室的開口中文字幕精品亚洲一区1080P。

Female flowers: tepals 5 or 6; carpels 3; ovary 3-locular; styles 3, free; stigma often decurrent; interstylar nectaries or nectariferous tissue present; ovules 2 per locule, pendent, anatropous, bitegmic, crassinucellar; micropyle formed by inner integument, rudimentary aril.

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