花粉胚 的英文怎麼說

中文拼音 [huāfěnpēi]
花粉胚 英文
pollen embryo花粉胚囊 pollen embryo sac
  • 花 : Ⅰ名詞1 （種子植物的有性繁殖器官） flower; blossom; bloom 2 （可供觀賞的植物） flower 3 （形狀像花...
  • 粉 : Ⅰ名詞1 （粉末） powder 2 （用澱粉製成的粉條或粉絲） noodles or vermicelli made from bean potato o...
  • 胚 : 名詞[生物學] （初期發育的生物體） embryo
  • 花粉 : [植物學] pollen花粉孢子 pollen spore; 花粉病 pollinosis; pollenosis; hay fever; 花粉蓋 stopples; ...
  1. Before anthesis wall of egg apparatus is complete ; most part of egg wall at the chalazal end disappears at the day of anthesis ; after frtilization ( 20h after pollinating ) egg wall becomes intact. the results suggest that rebuilding of wall is one of the early cytological events during fertilization

    結果表明，開花前藍豬耳的卵細胞的胞壁是完整的；開花時胚囊已發育成熟，此時卵細胞在合點端部分區域是裸的；受精后（大約授粉后20小時）卵細胞的胞壁恢復完整。
  2. However, only did a few pollen germinate in inter - specific hybridization between cerasus fruticosa and c. avian and many pollen tubes are crosswise on stigma and couldn " t penetrated into style. although a few pollen tubes entered, they couldn " t continue to grow due to accumulation of callosity in pollen tubes. in view of above - mentioned results, the irregular growth of pollen was the main reason to cause the incompatibility of distant hybridization between cerasus fruticosa and c. avium

    而草原櫻桃與歐洲甜櫻桃種間雜交授粉后花粉在柱頭上雖少量萌發，但花粉管在柱頭上橫向生長，或盤繞，扭曲不能伸入花柱；個別進入花柱的花粉管先端因沉積胼胝質而中途停止伸長未能進入子房到達胚珠，從而說明這種雜交授粉后花粉管的不正常行為是導致草原櫻桃與歐洲甜櫻桃遠緣雜交不親和的主要原因。
  3. Enclosure of the nucellus by the integuments is incomplete, the embryo sac or, in gymnosperms, to the archegonium

    珠被並不是將珠心完全封閉，而是留有珠孔以便受精時花粉管進入胚囊，或裸子植物的藏卵器。
  4. Increasing proportions of the tree's pollen reduced the percentage of full seed and retarded growth of the epicotyl.

    樹木本身花粉比例的增加使飽滿種子的比例降低，並使胚軸生長緩慢。
  5. For example ， the spiral arrangement of scale - bract complexes on ovule - bearing pine cones ， where the female reproductive organs of conifers are located ， is important to the production of airflow patterns that spiral over the cone ' s surfaces ， thereby passing airborne pollen from one scale to the next

    例如，帶有胚珠的松球的鱗苞綜合體的螺旋狀安排，亦即松柏目植物雌性殖器官的所在位置，對于氣流模式的形成與產生殊為重要，而這些氣流模式在松球的表現盤旋上升，從而把在空氣中飛行的花粉從一個鱗苞傳播至下一個鱗苞。
  6. In this paper, observation was conducted on pollen germination and growth behavior in distant hybridization between cerasus fruticosa and c. avium and hybridization between varieties in c. fruticosa through fluorescent light system of microscope. the results showed that pollens could normally germinate and pollen tubes could reach ovary through style to completed fertilization in intraspecific hybridization in c. fruticosa. the average fruit - set rate was 27 %

    通過對草原櫻桃與歐洲甜櫻桃種間遠緣雜交及草原櫻桃品種間雜交后花粉管行為的熒光觀察發現，草原櫻桃品種間雜交授粉后花粉在柱頭上能正常萌發生長，花粉管沿花柱到達胚珠完成受精過程，平均座果率為27 。
  7. In the thesis, the systematic relationships of acorus together with araceae and typhales are discussed on the basis of features from micromorphology, anatomy, pollen morphology and floral development, with the aid of the data from their embryology, cytology, chemotaxonomy and molecular biology. firstly, it is found that there are many obvious differences between acorus and araceae

    本文用形態學、解剖學、孢粉學及花器官發生等方法，並藉助胚胎學、細胞學、植物化學及分子生物學等方面的資料，比較研究了菖蒲屬（ acorus ）與天南星科（ araceae ）及香蒲目（ typhales ）的系統關系。
  8. The pollen grain germinates on a special extension of the carpel, the stigma, and double fertilization results in a diploid zygote and triploid ( usually ) endosperm nucleus

    花粉粒在柱頭上萌發，雙受精導致雙倍體的合子和三倍體的胚乳形成。
  9. Double fertilization the fusion of one pollen nucleus with the egg to form the zygote and of the other pollen nucleus with a polar nucleus to form the triploid endosperm nucleus

    雙受精：指花粉粒中的一個精子與胚珠中的卵細胞結合形成受精卵，另一個精核與極核結合形成三倍體的胚乳核。
  10. The endosperm is usually triploid and develops from the primary endosperm nucleus, the triploid nucleus resulting from the fusion of one of the male gametes from the pollen tube with the polar nuclei in the embryo sac

    胚乳通常是三倍體，由初生胚乳核發育而來，三倍體核來源於花粉管中的雄配子與胚囊中兩個極核的融合。
  11. In this paper, the taxonomical problems of tulipa l. from china were studied based on the results of both the field observation and the examination of herbarium specimens, and the analysis of leaf epidermis morphology, pollen morphology, seed coats micromorphology and comparative embryology. the main results are as follows : ( 1 ) tulipa l. from china is taxonomically revised. there are 16 species distrubuted in china and tulipa kuocangshanica d. y. tan, x. r. li et d. y. hong is described as new

    本文通過野外調查及憑證標本的考證，並結合葉表皮形態、花粉、種皮的微形態及比較胚胎學等方面的觀察，對國產鬱金香屬植物分類中存在的問題進行了研究，主要內容如下： （ 1 ）對國產鬱金香屬植物進行了了修訂，確認了國產鬱金香屬植物共有16種，其中新種1個: tulipakuocangshanicad . y . tanx . r . lietd . y . hong 。
  12. The morphology of single cell and the ultrastructure of cell membrane were observed. by means of afm, the ultra - thin sections of murine es cells were investigated in order to make afm capable of gaining the information of the inner structure of cells. in addition, the morphological changes and damaging effect of trichosanthin ( tcs ) on red blood cell ( rbc ) membrane were observed by afm

    對原子力顯微鏡（ atomicforcemicroscope ， afm ）的成像技術進行了多方面探索；用afm研究膠原蛋白分子在雲母表面的吸附和自組裝行為；對小鼠胚胎幹細胞和人血紅細胞進行afm成像，觀測單個細胞的形態以及細胞膜的微觀結構；利用afm得到了小鼠胚胎幹細胞超薄切片的高解析度圖像，探索用afm研究細胞內部結構，拓展其應用領域；天花粉蛋白（ tcs ）和紅細胞的相互作用，利用afm觀察到天花粉蛋白（ tcs ）和紅細胞相互作用前後紅細胞膜超微結構的變化，據此討論了二者的作用機理。
  13. This paper firstly focused on and evaluated the pollination characteristics of c. praecox, in half - natural habitat of nanjing. we investigated flowering phenology, flowering patten, pollen viability, stigma receptibility, species of visitors, visiting rate of visitors and their foraging behavior. and we also investigated its breeding system, including pollen - ovule ratio ( p / 0 ), out - crossing index ( oci ), pollen grains deposited in stigmas, pollen germination rate and seed set rate with different treatments, from 2002 to 2004

    試驗分別在2002 - 2003年和2003 - 2004年冬季進行，研究內容包括：花期物候觀察、花部形態觀察和統計、雌雄配子體功能測定、訪問昆蟲種類、訪問行為、訪花頻率和效率；同時對蠟梅繁育系統進行了檢測，檢測內容包括花粉胚珠比（ p / 0 ） 、雜交指數（ oci ）及不同處理花粉萌發率及結實率檢測等等，同時還進行了蠟梅與亮葉蠟梅傳粉過程比較。
  14. Expression analysis the expression analysis of gharf in different tissues of cotton was carried out by rna dot blotting with ghakf probe labeled with dig. the result showed that the expression of arf gene was mainly in anthers of sterile and fertile, pollen of fertile, corolla rather than in leaves, radicel and ovule

    棉花ari ； 』基因的表達分析用地高辛將棉花arf基因標記為探針，與棉花洞a的不育株花藥、司有株花藥、可育花粉粒、葉片、花冠、胚根和胚珠的總rna進行斑點雜交。
  15. Sweetpotato pollens killed by u. v. didn ' t sprout ; 2. normal pollens sprouted ; 3. pollens of 5x mixed with recognition pollens attached and sprouted much ; 4. in the negative - cross, sweetpotato pollens attached and sprouted much on the stigma of 5x ; 5. in the possitive - cross without recognition pollen, 5x pollens few attached and sprouted ; 6. in the treatment of pgr ( twice ), globular - embryo observed on 15 days after pollination ; 7. ovule obtained by intercross germinated on the medium ; 8. plantlet from intercross ovule grew on the medium ; 9. seeds obtained by opening pollination ; 10. tubers of hybrids from 5x crossed by sweetpotatos for two generations

    紫外線殺死的甘薯花粉在親和柱頭上不萌發； 2 .未經紫外線處理的甘薯花粉在柱頭上正常萌發； 3 .在蒙導花粉作用下，五倍體的花粉在甘薯柱頭上大量附著和萌發； 4 .反交組合甘薯花粉在五倍體柱頭上大量附著和萌發； 5 .正交組合無蒙導花粉時五倍體花粉少量附著和萌發； 6 .生長調節劑二次處理后，授粉后15天所見的球形胚； 7 .雜交胚珠在培養基上萌發； 8 .雜交胚珠培養成苗； 9 .放任授粉收獲的大量種子； 10 .五倍體與甘薯雜交兩代產生的後代群體的結薯性。
  16. The concept of an alternation of generations can be extended to the flowering plants, in which the embryo sac and pollen represent the much reduced famale and male gametophyte generations respectively

    這個概念也可以運用在有花植物上，由胚囊和花粉各自表達雌雄配子體世代。
  17. Apple haploid induction by pollination with high dose irradiated pollen

    應用高劑量輻射花粉授粉及幼胚培養誘導蘋果單倍體
  18. In flowering plants the endosperm tissue is usually triploid, resulting from the fusion of one of the pollen nuclei with the two polar nuclei

    在開花植物中，胚乳組織多為三倍體，由一個花粉核和兩個極核融合產生。
  19. Advance in research of doubled haploid induction techniques

    輻照花粉對小麥與中間偃麥草雜交及其胚胎發育的影響
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