花粉不育 的英文怎麼說
中文拼音 [huāfěnbùyù]
花粉不育
英文
pollen sterility- 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...
- 不 : 名詞[書面語] (剁物所用的木墩) a block of wood
- 育 : 育動詞1. (生育) give birth to 2. (養活; 培育) rear; raise; bring up 3. (教育) educate
- 花粉 : [植物學] pollen花粉孢子 pollen spore; 花粉病 pollinosis; pollenosis; hay fever; 花粉蓋 stopples; ...
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The experiment was conducted in a 2. 4 ha isolated field mimic rice production practice with pollen competition. a japonica gm rice l201 containing bar gene with herbicide basta resistance was used as a pollen donor and six indica hybrid rice varieties and its male sterile ( ms ) lines and two common wild rice ( oryza rufipogon and o. nivara ) that share same aa genome with cultivated rice were used as recipients
本試驗選擇廣州作為華南水稻生態區的代表,以含bar基因(抗除草劑basta )的轉基因粳稻l201為花粉供體,模擬大田生產實際,對轉基因向秈型兩系及三系雜交稻不育系、雜交稻品種及含aa基因組的普通野生稻的基因漂流及其影響因素進行了研究。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。Germination data is needed to determine whether or not a given lot of pollen is sterile or very weak.
為了確定所收到的花粉是否不育或發芽力很弱,必須有花粉發芽的資料。In normal greenhouse condition, coda - transgenic wheat lines ( to ) had the same plant morphorlogy and pollen i2 - ki staining rate as untransformed control plant. after treating with 300 mm of 5 - fc, however, changes in configurations of spikelet, floret and anther have been observed in the transgenic lines but not in the control, and 50 % gus - positive lines displayed outside - opened glume, abnormal stamen, smaller and thinner anther, shorter filament, and failure of selfing. in parts of 5 - fc - treated transgenic lines, the pollen staining rate by i2 - ki was much lower than that of untransformed control
溫室栽培的轉基因小麥苗( t _ 0 )未噴5 - fc處理時植株外部形態和花粉碘-碘化鉀染色的著色率與未轉基因的對照沒有差異;用300mm的5 - fc處理后,發現有50 gus陽性株系與對照有明顯的區別,表現為小穗穎殼外張,花絲短縮,花藥發育不良,較小、黃白色且花粉粒少,自花不授粉,無外來花粉授粉則不結實。Abstract : the main characters and seed set of bc1 , bc2 , bc1f2 from ms line back - crossing with the pollen of hybrid rice were studied. the appearance of a large number of self fertile plants in ms line was analyzed. the effect of introgression of restoring genes on ms line purity and hybrid yield in indica and japonica rice was discussed. it was pointed out that “ iso - cytoplasm restorer line ” was seriously reducing the purity of ms line and that hybrid rice was unsuitable for isolation zone in the seed production fields
文摘:研究了雜交稻花粉對母本不育系回交後代群體bc1 、 bc2 、 bc1f2的主要農藝性狀和育性表現,分析了不育系中出現大量自交結實株的原因,討論了恢復基因滲入對秈、粳不育系純度和雜交稻產量的影響,指出「同質恢」對降低不育系純度的嚴重性和雜交稻作制種田隔離區的不合理性。Pollen sterile blossoms lack normal turgor.
花粉不育的花朵缺乏正常的膨壓現象。Varieties that do not produce fertile pollen are used as females.
不產生可育花粉的品種被用作母體。In the early 1970s, he succeeded in developing three strains of hybrid rice, namely male sterile, maintainer and restorer, and obtained the world s first high - yielding hybrid rice strain. he is the first scientist who successfully altered the self - pollinating characteristic of rice and made large - scale farming of hybrid rice possible. this earned him the title " father of hybrid rice "
七十年代初,袁教授成功實現了雜交水稻的不育系、保持系及恢復系三系配套,首次育出雜交水稻;他又打破世界的自花授粉作物育種的禁區,並實現了大面積種植雜交水稻的可能,為他在國際上贏得雜交水稻之父的美譽。In to mature transgenic plants tested, gus st aining was observed in different development stages and positions of the anther and some times in calyx, petal, stigma, anther filement and pollens
T _ 0代成熟植株中,在花藥發育的不同時期和不同部位,以及在轉基因植株的萼片、花瓣、柱頭、花絲、花粉都檢測出gus活性。The results obtained in our laboratory in the past decade years showed, apoplast calmodulin in plant kingdom may regulate a lot of growth and development process of plant, such as accelerating the proliferation of angelica dahurica suspension cells and the proplast cell regeneration, startup the pollen germination of many plants " pollen and accelerating the elongation of the pollen tube, stimulating the redox of corn root " s cell, inducing the expression of light independent rbss gene, and participating in the regulation of the restraining function of al ~ ( 3 + ) to pollen tube germination
我室多年的研究結果表明,植物質外體cam可能做為多肽第一信使調節著植物體諸多的生長發育過程:如促進白芷懸浮細胞的細胞增殖和原生質體壁再生,啟動並促進多種花粉的萌發和花粉管的伸長,刺激玉米根細胞的氧化還原反應,誘導rbcs基因光不依賴的表達,以及參與調節胞外al ~ ( 3 + )對花粉萌發的抑制效應等。Dong a, the male sterile line of cotton discovered in 1972 from a pollenless mutant of cotton variety dongting no. l, is an ideal materials used to study the pollen - specific genes during anther development. the fertile individuals and its pollenless mutant have a highly homogeneous genetic background except for the male sterility
棉花洞a雄性核不育系是1972年從洞庭一號棉花原種圃中發現的突變體,不育度高且穩定,可育與不育花粉在單核期以前發育同步,是研究棉花花藥與花粉發育相關基因的理想材料。( 3 ) the value of p / 0 of c. praecox is 2847. 3 + 1125. 0, and the total value of oci is 3. with the above results, pollen germination rate and seed set rate, all shows that breeding system of c. praecox is facultative hybridization. the breeding system of c. nitens is similar to c. praecox, but it is higher in proportion of self - pollination than that of c. praecox
( 3 )蠟梅p / 0值為2847 . 3 1125 . 0 、 oci累計分值等於3 ,與不同處理的花粉萌發率和結實率的結果一樣,都顯示蠟梅繁育系統為兼性異交類型;亮葉蠟梅繁育系統同蠟梅相似,但亮葉蠟梅的自交比例相對較高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。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。The technology and methods of the study on molecular mechanism of cytoplasm male sterility ( cms ) are introduced in regard to mitochondrial genome, mitochondrial gene, mitochondrial rna, mitochondrial protein, transformed plants and abortion of pollen
摘要本文從線粒體基因組、線粒體基因、線粒體轉錄rna 、線粒體蛋白、轉基因植物以及花粉敗育機理六個方面詳細介紹了植物細胞質雄性不育分子生物學研究的技術和方法。Effect of heat shack on pollen fertility and protein components of thermo - sensitive genie male sterile indica rice in the anther
熱激對溫敏不育水稻花粉育性與花藥蛋白質組分的影響Using three male sterile lines of radish, the activicy of three isozymes were studied during their development of vegetable and reproductive stages
摘要以蘿卜細胞質雄性不育系和保持系為試材,採用聚丙烯酰胺凝膠垂直板電泳方法對花期葉進行過氧化物酶同工酶、澱粉酶同工酶進行分析。Cytological investigation of pollen development of tgms rice with double low critical temperature under low temperature
雙低兩用溫敏核不育水稻低溫條件下花粉發育的細胞學觀察The paraffin section analysis showed that there were no difference between transgenic sterile plants and control fertile plants in the development and structure of pollen sac. in order to analyze the sterility mechanism further, we handled the pollen mitochondria in normal temperature and heat shock response, then we extracted the mitochondrion proteins and make variance analysis
石蠟切片分析表明,轉基因不育植株的花粉囊的發育和結構與對照的可育植株之間沒有任何差異,只是花粉囊中的花粉在不育株中是不育的,而可育株是可育的。In this dissertation we focused on the function of genes associated with anther and pollen development including map - based cloning of arabidopsis genes from male sterile mutants
本論文以正向遺傳學的方法研究花藥及花粉發育過程的基因功能,主要利用圖位克隆的方法從擬南芥雄性不育突變體中克隆相應的基因。分享友人