孢子形成
- 基本解釋 (translations)
- sporogenesis · sporulation · sporation
- 詞組短語(yǔ)
- spore formation
- 相關(guān)搜索
- 形成孢子
- 更多網(wǎng)絡(luò)例句與孢子形成相關(guān)的網(wǎng)絡(luò)例句 [注:此內(nèi)容來源于網(wǎng)絡(luò),僅供參考]
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By the support of the present project, 3 articles have been published, 4 articles have been submitted to Grana and Acta Botanica Yunnanica etc and some papers is in preparing.
結(jié)果表明:蕨類植物孢子外壁和周壁來源于孢子囊內(nèi)層絨氈層細(xì)胞;孢子表面紋飾有的種類由外壁形成,有的種類是由周壁形成;孢子紋飾是在四分孢子形成后迅速形成的日韩视频中文字幕一区不卡,形成的時(shí)間很短并比較穩(wěn)定。
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In the late of April of the second year, male inflorescences unbound and pollinated. When female inflorescences accepted the pollen grains, ovary development was increased in early May. With the development of either of the two ovule, funiculus, integument and nucellus were differentiated. Embryo sac mother cell came into being and the meiosis begins. Then fuctional megaspore developed into matured embryo sac that contain eight nucleuses. In the end of May, double fertilization generated.
次年日本免费A网站,4月下旬一级一级一级一级一级毛片,雄花序解螺旋散粉,雌花序開花授粉亚洲一区二区三区毛片在线;5月上旬在线日韩成人电视免费观看视频网站,雌花序授粉后,迅速增長(zhǎng)日本免黄a片精品,子房膨大免费看黄毛片A片人,兩個(gè)胚珠分化出珠柄、珠被和珠心欧美A级孕妇A片,珠心中產(chǎn)生孢原細(xì)胞Mm一级黄色;5月中下旬,大孢子母細(xì)胞形成并減數(shù)分裂黄片三日视频A,功能性大孢子形成成熟的八核胚囊超碰插插丝袜美女;5月底,發(fā)生雙受精超碰官网。
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After the early uninucleate stage, nearly all of Peiai 64S microspores possessed malfunctional exine that was deviod of electron transparent region between sexine and nexine, and no intine was established.
早期小孢子形成之后国产亚洲欧美另类视频,幾乎所有小孢子外壁均發(fā)育異常,表層與里層之間界限不清天天干,天天插,天天操,缺少中間透明帶亚洲毛片无码专区亚洲乱,同時(shí)內(nèi)壁沒有形成。
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The development of a gametophyte directly from a sporophyte without the occurrence of meiosis or spore formation.
無孢子形成国产特精品精品精品A片黄色,無孢子生殖,無孢子狀態(tài)沒有經(jīng)過減數(shù)分裂或孢子形成而直接由孢子體進(jìn)行的配子體發(fā)育
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The basic condition for teliospore fomation was average day temperature of below 20℃, and lowest temperature of below 16℃.
冬孢子堆的形成與大豆品種亚洲一级毛片无码久久精品、溫度a黄色视频永久在线观看、濕度、光照等有關(guān)欧美国产日韩水多,日均溫20℃以下最新偷拍视频,日最低氣溫16℃以下有利于冬孢子形成男女羞羞视频。
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Could be observed on 10th day after pollination, archesporial cell on 20thday, megasporocyte on 24th day, the functional megaspore on 30th day; and 8-nucleate embryo sac on 41th day. And then double fertilization finish and early globular embryo emerg.
授粉10 d出現(xiàn)指狀突起,20 d形成胚珠原基2019亚洲αⅴ无码天堂,24 d大孢子母細(xì)胞發(fā)生男女网址,30 d功能大孢子形成,41 d發(fā)育為成熟的八核胚囊国产熟女对白免费播放,而后完成雙受精發(fā)育成早期球形胚亚洲一区二区三区偷拍。
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The cause of hindering the gynospore formation was short of boronin chestnut orchard,which led to the poor pollination and a decrease ofendogenous GA1/3, iPAs level and an increase of endogenous ABA level in ovary,which restrained the mother cell division of gynospore.The low level ofendogenous GA1/3,iPAs contents and the increase of endogenous ABA contentcaused a serious lack of reducing sugar,starch,protein and potassium in ovary,which led to a cease of young embryo development.
其中,大孢子形成過程的停滯是由于栗園B素缺乏五月丁香六月婷综合综合久久,致使授粉不良和子房?jī)?nèi)源GA1/3午夜在线观看国产剧情电影网、iPAS等含量下降,ABA含量上升丰满少妇弄高潮了www,從而抑制大孢子母細(xì)胞分裂国产视屏大全;幼胚發(fā)育停滯則是由于子房?jī)?nèi)源GA1/3、iPAS等生長(zhǎng)類激素的上升啟動(dòng)受阻国产精品日韩无码强奸乱伦,繼續(xù)處于低水平美女裸体黄18禁免费网站,ABA上升,使子房中還原糖在线欧美一区亚洲、淀粉国产肏屄视频在线观看、蛋白質(zhì)和K素積累受阻,造成營(yíng)養(yǎng)嚴(yán)重缺乏国产狼友91精品一区二区三区。
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In heterosporous plants, the microspores give rise to small male prothalli bearing male sex organs, and larger female sex prothalli bearing female sex organs.
在具異形孢子的植物中啪在线视频,小孢子形成具小的雄性器官的雄原葉體,而大孢子形成大的具雌性器官的雌性原葉體人人澡人人插人人射。
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Paraffin slides observation found that the microspore of the RNMS line failed to vacuolate after its morphogenesis, disassembled and disappeared at last. After microspore morphogenesis, the breaking down of tapetum cells was delayed until microspore breading down.
石蠟切片細(xì)胞學(xué)觀察95香蕉视频,發(fā)現(xiàn)該隱性核不育能形成正常的四分體孢子,四分體釋放出小孢子后久久福利精品国产极品刺激,在單核花粉進(jìn)入液泡化時(shí)小孢子的發(fā)育異常国产美女在线精品免费观看网站污,不進(jìn)行正常的液泡化,逐漸開始解體和消失性交a级视频免费看;相應(yīng)的絨氈層在小孢子形成后的降解延遲日韩一级啪啪啪啪啪啪,絨氈層細(xì)胞的體積略有增大,在小孢子降解快結(jié)束時(shí)也很快解體可以免费在线观看的黄色网站。
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The proliferation of the anthers and pollens were distinctly dysplastic. During the prophase of abortive pollens, the tapetums and middle layers of quadrants separated; during metaphase, the microspores were development arrest; during anaphase, the tapetums and microspores gradually disappeared after combination, the anthers finally turned into drying and shriveling to be unable to form pollens.
如主莖開花初期提前1~2d狼友视频高清,花萼和雄蕊個(gè)數(shù)為4~6個(gè),花藥室數(shù)為2~4個(gè)干欧美女人视屏,開花后花藥呈白色或淡綠色亚洲美女搞黄色,表面無皺紋,并延遲脫落在线鲁;其花藥和花粉發(fā)育明顯異常中文日韩精品第56页视频在线观看,敗育初期在四分體期絨氈層與中層分離欧美一级片综合操,中期小孢子形成時(shí)期發(fā)育停滯,后期絨氈層與小孢子粘連后逐漸消失人人操五月肥妇,終期花藥干癟另类图片亚洲色图,不能形成花粉。
- 更多網(wǎng)絡(luò)解釋與孢子形成相關(guān)的網(wǎng)絡(luò)解釋 [注:此內(nèi)容來源于網(wǎng)絡(luò)久久久久久久久国产一区,僅供參考]
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sporogenesis:孢子形成
細(xì)菌的孢子形成 細(xì)菌的孢子是一種休眠結(jié)構(gòu),它們既不復(fù)制,也不顯示代謝活性,但 可在惡劣環(huán)境下休眠幾百年.然而當(dāng)休眠的孢子接觸到適當(dāng)?shù)沫h(huán)境時(shí),它們就萌發(fā),恢復(fù)營(yíng) 養(yǎng)生長(zhǎng)和復(fù)制.細(xì)菌的孢子形成(sporogenesis)通常是由營(yíng)養(yǎng)物質(zhì)的缺失引起,
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sporogenesis:孢子發(fā)生/孢子形成
sporodochium /分生孢子座/ | sporogenesis /孢子發(fā)生/孢子形成/ | sporogenic /產(chǎn)孢子的/
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sporogony, sporogenesis:孢子形成,孢子生成
"子囊體","sporogone, sporogonium" | "孢子形成,孢子生成","sporogony, sporogenesis" | "芽孢柄,孢子柄","sporophore"
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sporogenesis, sporogony:孢子形成,孢子生成
"孢子囊","sporocyst" | "孢子形成,孢子生成","sporogenesis, sporogony" | "產(chǎn)孢[子]酵母","sporogenous yeast"
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sporulation; sporogenesis:孢子形成;孢子發(fā)生;芽孢形成
突變;先天畸形 sport | 孢子形成;孢子發(fā)生;芽孢形成 sporulation; sporogenesis | 花嘴鴨 Spot-billed Duck
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sporogenesis; gamogony; sporogony:孢子發(fā)生;孢子形成
孢子母細(xì)胞 sporocyte | 孢子發(fā)生;孢子形成 sporogenesis; gamogony; sporogony | 孢子發(fā)生 sporogony; sporogenesis
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sporophyte:孢子體/造孢體/孢子形成體
sporophyll /胞子葉/芽胞葉/ | sporophyte /孢子體/造孢體/孢子形成體/ | sporopollenin /[生化]孢子花粉素/孢粉質(zhì)/
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sporulation:孢子形成芽孢形成
sporulate 生成孢子 | sporulation 孢子形成;芽孢形成 | sporule (小)芽孢
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sporulation cycle:孢子形成周期
sporulation 孢子形成 | sporulation cycle 孢子形成周期 | spot 斑點(diǎn)
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sporogeny:孢子形成
sporogenesis 孢子形成 | sporogeny 孢子形成 | sporogon 孢子體