花粉發生 的英文怎麼說

中文拼音 [huāfěnfāshēng]
花粉發生 英文
pollen embryogenesis
  • 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...
  • 發 : 名詞（頭發） hair
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 花粉 : [植物學] pollen花粉孢子 pollen spore; 花粉病 pollinosis; pollenosis; hay fever; 花粉蓋 stopples; ...
  1. The degeneration of mitochondria is one of the earliest events in pollen abortion.

    線粒體的退化是花粉敗育中最早發生的現象之一。
  2. The results were as follow : in the process of its male organ development, these are many abnormalities, such as : premature tapetal degradation, giant tapetal cells, the great vocalization of the tapetal cells and inadaptable function of callose enzyme, which lead abnormal and premature degradation microspores and male gametophytes

    實驗結果表明： 1蝟實的雄性生殖器官在發育過程中，出現絨氈層細胞的液泡化、肥大、提前降解及不適時釋放胼胝質酶等異常現象，造成蝟實花粉發育過程中出現畸形、解體。
  3. 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。
  4. Mechanism of 2n pollen occurring in chinese white poplar

    花粉發生機制的研究
  5. Oleifera was observed with lm. results showed that there were vegetative cell and generative cell in the pollen grain of genus camellia, the generative cell is more smaller than that of the vegetative cell. the generative cell was lay on the vegetative cell as an elongate spindle, and only the generative cell membrane and nuclear membrane which near the cell polar linked up the vegetative cell membrane, one of the linked area was located near by the aperture of pollen grain

    結果表明，山茶屬植物花粉粒中含有生殖細胞和營養細胞，生殖細胞較小，呈長紡錘形，游離在營養細胞中，生殖細胞極軸兩端的細胞膜和核膜與營養細胞的細胞膜相連，其中一端的連結處位於花粉粒萌發孔附近。
  6. Effects of boron, calcium, pesticide and germicide on pollen germination and tube growth of strawberry

    鈣和農藥對草莓花粉萌發和花粉管生長的影響
  7. Here we found g proteins also function in leaf, silique development and the yield of pollen microspore. we observed several traits or characters in the offsprings of gpal, agbl null mutation and gpa1 overexpression lines and found that the width of mutants " lamina is larger than that of the wild type, whereas the lamina length, petiole length and rosette diameter is smaller than the wild type, the ga overexpression lines is different from the mutants ; the silique length and the pedicel length is larger in mutants than that of wild type, and slightly smaller in overexpression lines than the control ; the morphometric character in silique tip is different in gpal from agbl mutants ; the yield of pollen microspore is larger in null mutants than wild type whereas smaller in overexpression lines

    實驗中我們跟蹤觀察了多代異三聚體g蛋白a亞基超表達轉基因植株及a ， p亞基缺失突變體的表型特徵，發現突變體的葉片寬度大於對應的野生型，葉片長度，葉柄長度及蓮座直徑小於野生型，而超表達植株的上述某些特徵與突變體相反; gp時突變體的長角果長度，花梗柄部長度大於野生型，而超表達ga植株種英則略小於對照; gpal突變體長角果尖端未出現咭乙i突變體的特徵: gpal ，口gbl突變體花粉生成量大於野生型，而超表達ga植株的花粉生成量則略小於對照。
  8. Methods : ( 1 ) the segregation of foreign target gene in the t1 by histochmical gus assays ; ( 2 ) identification of pure line from transgenic tomatoes ( tl ) through examining gus expression in pollens in conjunction with pcr analysis of marker gene ( npt ) ; ( 3 ) the transcript levels of leetrl or leetr2 in anti - sense transgenic plants ; ( 4 ) the phenotypes of the transgenic plants in tomato during whole life cycle under ethylene - treated and non - treated conditions

    本研究以反義乙烯受體leetr1 ， leetr2基因番茄t _ 0代種子為實驗材料，利用gus基因表達研究外源基因的遺傳規律，並藉助于pcr技術對目的和標記基因的鑒定獲得轉基因t _ 1代材料。利用gus基因在t1花粉中的表達鑒定獲得轉基因純合植株。研究了轉基因後代的生長發育模式、對外源乙烯敏感性，以及靶基因的表達特性，初步探明了它們在乙烯受體系統中的功能。
  9. What is more, some of the pollen grains and spores i found in the clays and lignites came from conifers and tree ferns that could have grown only at the high altitudes of a mountain range

    而且我在黏土及褐煤中發現的花粉粒與孢子，屬于針葉樹及樹蕨，它們只生長在高海拔的山區。
  10. Molecular studies have identified some genes participating in this process, including those regulating anther cell division and differentiation, controlling male meiosis, supporting pollen development, and promoting anther dehiscence

    分子生物學的研究已經發現了一些參與這一過程的基因，包括控制花粉囊組織的分化、小孢子母細胞的減數分裂、小孢子的發育和花藥的開裂等。
  11. 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 。
  12. 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。
  13. The sufferer of the pneumonia in the middle of recover from illness should shoot person more to enrich food with the vitamin, vitamin together other nourishment materials is similar to all need to pass food to enter the everyone body balancedly, keeping the health of the human body, being pneumonia a sufferer to be subjected to have fever, cough, cough up phlegm etc. the influence of the factor, metabolism inside the body speed, is the germ that the particularly white cell kills the lung department, the metabolism strengthen, needing a great deal of vitamin, and exterminating the water solution 酶 and the absorption process of the lung department 炎 disease that the germ need to also need vitamin, if the vitamin severity shortage, not only cause the absorption of the lung department 炎 disease reduce slowly, and influence the immunity dint of the human body, so eat to enrich a beneficial pneumonia patient of pollen of contain the vitamin to recover from illness, this with 《 this grass outline 》 and many departments 《 this grass 》 in jot down " smooth heart lung " of pinepollen of the function is consistent

    肺炎患者在康復中應多攝人富含維生素的食物，維生素同其他營養物質一樣都需要通過飲食均衡地進人人體，保持人體的健康，當肺炎患者受發熱、咳嗽、咯痰等因素的影響，體內代謝加快，尤其是白細胞殺死肺部的細菌，代謝增強，需要大量的維生素，並且消滅細菌所需的水解酶及肺部炎癥的吸收過程也需要維生素，如果維生素嚴重不足，不僅導致肺部炎癥的吸收減慢，而且影響人體的免疫力，故食用富含維生素的花粉有利肺炎病人的康復，這與《本草綱目》及多部《本草》中記載松花粉「潤心肺」的功能是一致的。
  14. 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。
  15. Ecms associated with pollen tube growth include arabinogalactan proteins, extensin - like glycoproteins, proline - rich proteins, calmodulin, s - glycoproteins, pectins and those that specifically located in the ovary

    與花粉萌發和花粉管生長相關的雌蕊胞外基質種類主要包括阿拉伯半乳糖蛋白、類伸展素糖蛋白、富含脯氨酸糖蛋白、鈣調素、 s -糖蛋白、果膠以及子房的特異性物質等。
  16. Results showed that the pollen grain of p. mira, which is used as material by sem for the first time, was nearly elliptic in shape and the extine pattern was simply striped with no pores

    結果表明，光核桃花粉粒的形態呈橢圓球形，其外壁紋飾呈簡單的直紋平行型，無穿孔，是最原始的桃亞屬植物野生種，未發現與栽培種有直接的關系。
  17. Cupressus ) the pollen grains contain just two nuclei : a generative nucleus and a vegetative nucleus ( tube nucleus )

    當花粉粒形成后，花粉粒壁上分佈有萌發孔，花粉管從萌發孔處向外突起形成管狀結構，生殖核轉入管中。
  18. Partial chromosomes happened abnormally during pollen mother cells meiosis, which included chromosome chain, chromosome loop, lagging chromosome and chromosome unequal distribution

    麗? 2號花粉母細胞在減數分裂期染色體行為發生了異常，出現較高頻率的染色體鏈及少部分的染色體環和落後染色體。
  19. The tmg started the movement to create a low - pollen forest this spring in order to initiate full - scale measures to combat sources of pollen

    今年春天，東京都政府開始展開「種植低花粉森林」的運動，正式把花粉發生源對策提上議事日程。
  20. The results were as followed : pollen germination and tube growth were decreased in ga mutant, and increased in ga overexpression strains as compared to wild type, while pollen germination and tube growth were not affected in gp mutant

    結果表明：體外實驗中gpa1突變體花粉的萌發率及花粉管生長速率均低於野生型花粉，而超表達g花粉的萌發率及花粉管生長速率則高於野生型及空載體對照； g突變體agb1 - 1與野生型花粉的萌發率及花粉管生長速率差異不大。
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