花粉育性 的英文怎麼說
中文拼音 [huāfěnyùxìng]
花粉育性
英文
pollen fertility- 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...
- 育 : 育動詞1. (生育) give birth to 2. (養活; 培育) rear; raise; bring up 3. (教育) educate
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 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 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。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。To verify the integration of st901 gene into transgenic plants genome, the stable transgenic plants were analyzed by pcr and southern blotting. the aberrant phenotypes were observed in pollens and anthers of the transgenic plants. most of pollen grains in the transgenic plant were distorted, shrunken, invagination and not stained with the solution of acetocarmine
通過對轉基因植株花粉、花藥形態的觀察和花粉活力的測定,表明st901啟動子驅動的st901基因在轉基因植株中的表達造成花粉嚴重敗育,花粉粒皺縮,扁癟、塌陷,缺乏內容物;轉反向表達載體的馬鈴薯花粉育性僅為對照的5 . 2 ,育性下降94 . 8 。Studies on dynamics of boron and magnesium nutrients during fruit development of parthenocarpy and self - pollinated citrus cultivars
單性結實和自花授粉結實柑橘果實發育中硼鎂營養動態的研究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。Changes in concentrations of boron ( b ) and magnesium ( mg ) in the ovary ( fruitlet ), rind and pulp of fruit were investigated throughout fruit development of parthenocarpic kamei satsuma mandarin ( citrus unshiu marc. ) and self - pollinated egan 1 tangerine ( c. reticulata blanco ). the results showed as follows : 1 ) b concentrations in the ovary of kamei were at high levels before flowering and at full bloom, and decreased after flowering, whereas that of egan 1 was relatively low at full bloom, thereafter significantly increased. no significant differences were observed in mg changes in the ovary ( fruitlet ) between the two cultivars, which presented decreasing trends after flowering. 2 ) minor changes of b concentrations in the rind of the two cultivars were detected, remarkable changes were found for b in the pulp, which came to the peak values during the stage of fruit enlargement. mg concentrations were relatively high in the rind and pulp of the two cultivars during early fruit development, and presented obviously declining trends during the middle and late stage of fruit development
以單性結實的龜井溫州蜜柑和自花授粉結實的鄂柑1號橘為試材,對整個果實發育期的子房(幼果) 、果皮和果肉的硼鎂含量變化進行了測定.結果表明: 1 )龜井花前至花期子房硼含量就已較高,花後下降;而鄂柑1號花期子房硼含量相對較低,花後有一顯著上升;兩品種子房(幼果)鎂含量變化無明顯差異,花后均趨下降. 2 )兩品種果皮硼含量變幅較小,而果肉硼含量變幅相對較大,且均在果實膨大期出現明顯的上升高峰;兩品種果皮和果肉鎂含量在果實發育前期均相對較高,在果實發育的中後期則趨明顯下降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。Lipeng no. 2 produced seedless fruit all the same when pollinated with xuegan orange cultivar
授以高育性的雪柑花粉后,麗? 2號仍能形成無核果。It was found that plc activity was stimulated by both exogenous purified calmodulin and heterotrimeric g protein agonist cholera toxin. while, the stimulated effect on plc activity caused by exogenous calmodulin was inhibited by heterotrimeric g protein antagonist pertussis toxin, and plc antagonist u - 73122 inhibited the effect caused by cholera toxin. we also measure the free ca ~ ( 2 + ) level in germinating pollen grains, and found that exogenous purified calmodulin was able to increase the free ca ~ ( 2 + ) level, and their effects on ca ~ ( 2 + ) level were inhibited by u - 73122
實驗中,利用[ ~ 3h ] pip _ 2和花粉原生質體共同孵育的體系,檢測出了百合花粉細胞具有依賴pip _ 2的plc活性;利用該體系還檢測出外源鈣調素可促進plc的活性,其中10 ~ ( - 9 ) m的鈣調素可使plc的活性提高三倍;異三聚體g蛋白的激活劑ctx可以激活plc的活性,而其抑制劑ptx可明顯抑制plc活性;外源鈣調素的這種作用可以被ptx抑制;而plc抑制劑u - 73122抑制ctx對plc的激活效應。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。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。Results showed that pollen germination rate, pollen stain - ability, pollen grain amount and so out had remarkable difference between the two cultivars and lipeng no. 2 pollen belonged to low - fertility type
結果表明,麗? 2號花粉發芽率、花粉染色活力和花粉粒數量等與有核對照存在顯著性差異,屬于低育型花粉。分享友人