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anther
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  花药
    INVESTIGATIONS ON THE ANTHER CULTURE IN VITRO OF NICOTIANA TABACUM L.AND CAPSICUM ANNUUM L.
    菸草(Nicotiana tabacum)和辣椒(Capsicum annuum)花药离体培养的研究
短句来源
    DETERMINATION OF PROLINE IN THE ANTHER OF "THREE LINES" AND HYBRID OF RICE
    水稻“三系”及杂交水稻花药中脯氨酸的测定
短句来源
    A PRELIMINARY STUDY ON THE ANTHER CULTURE OF SORGHUM
    高粱花药培养研究初报
短句来源
    ANTHER CULTURE AND ANDROGENESIS OF RYE
    黑麦(Secale cereale L.)花药培养及其雄核发育
短句来源
    STUDIES ON THE ANTHER CULTURE OF TRITICALE
    小黑麦花药培养的研究
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  花粉囊
    2. The androecium of Thellungiella halophila are tetradynamous stamen. Each anther has four pollen sac.
    2.小盐芥雄蕊为四强雄蕊,每个花药具 4 个花粉囊
短句来源
    The development of anther wall follows the dicotyledonous type, composed of four layers, respectively epidermis, endothecium, middle layer and tapetum.
    花粉囊壁发育属双子叶型,由 4 层细胞构成:表皮、药室内壁、中层和绒毡层。
短句来源
    2 .After the maturation of anther, only one layer of epidermal cells was remained in the wall of pollen sac, and the rest layers disappeared. 3 .Meiosis of pollen mother cells were characterized as simultaneous style.
    花药成熟后,花粉囊壁仅为一层表皮细胞,其余各层细胞概行消失;
短句来源
    The tempos of microsporogensis in the different pollen sacs of the same anther were compared, and it has been found that microspore mother cells were in 3~4 adjoining stages of meiosis.
    同一花药不同花粉囊内,小孢子母细胞处于减数分裂的3~4个邻近时期;
短句来源
    When the temperature was lower than 14℃, Nan-you 187A had only three kinds of protein A, B and special E. The anther was full of fundamental tissues, without pollen sac and pollen, and the male sterility was shown. If the temperature was higher than 14℃, protein E disappeared, and the synthetic capacity of protein C and D was resumed, with complete protein constituents same as those of the normal rape.
    南油187A温度敏感雄性不育系在昼温小于14℃时,只有A、B和特异的E等三种蛋白质,没有C、D蛋白质,花药充满基本组织,没有花粉囊和花粉,表现雄性不育,昼温高于140℃时,花药E蛋白消失,恢复C、D蛋白质的合成能力,具有和正常油菜花药相似的完全蛋白组分,花药孢原细胞恢复分化,花药有正常的花粉囊和花粉,表现雄性可育。
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  “anther”译为未确定词的双语例句
    THE INFLUENCES OF β-ECDYSONE ON THE INDUCTION OF WHEAT POLLEN PLANTLETS IN ANTHER CULTURE
    β-昆虫蜕皮激素对小麦花粉苗形成的影响
短句来源
    Effect of the Anther Wall Tissue on the Dedifferentiation of the Pollens
    药壁对花粉去分化的影响
短句来源
    An Introduction to a Medium for Anther Culture in Wheat
    介绍一个培养小麦花药的培养基
短句来源
    New Breeding Technique Combining Rape (Brassica juncea) Anther Culture with Erucic Acid Analysis Ⅰ. Study on New Method for the Measurement of Erneie Acid and its Distribution in Different Tissues
    油菜离体培养与芥酸微量测试相结合的育种新技术Ⅰ.芥酸测定新方法及其在不同组织中的分布
短句来源
    Study on Wheat Anther Irradiated by Violet ray
    紫外光照射小麦花药的研究
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  anther
Its anther wall is composed of four layers of cells, and its tapetum is of the secretory type.
      
The plants forming additional pods in their flower (pistillody) have higher flavonol-degrading activity as compared to the anther-in-petal and doubleness mutants
      
Morphogenetic Effects of the Interaction of Floral Mutations Petal-Sepal and Anther in Petal in Papaver somniferumL.
      
The morphogenetic effects of the interaction of the floral mutations petal-sepal and anther in petal in Papaver somniferumL.
      
Onokhoiskaya) and triticale (2n= 56) using anther culture at different concentrations of 2,4-D in the growth medium were studied.
      
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The development of haploid plants has been successfully induced from wheat (Triticum vulgare)pollens by means of the anther cultured in vitro.On the MS medium supplemented with 2-20mg/l 2,4-D and various organic addenda,out of 21094 inoculated anthers taken for culture from 27 hybrids or varieties,103 produced calli.All the calli developed from dehisced anther sacs.Microscopical examinations indicated that these calli were formed by repeated divisions of the pollen grains.5 days after,the pollen...

The development of haploid plants has been successfully induced from wheat (Triticum vulgare)pollens by means of the anther cultured in vitro.On the MS medium supplemented with 2-20mg/l 2,4-D and various organic addenda,out of 21094 inoculated anthers taken for culture from 27 hybrids or varieties,103 produced calli.All the calli developed from dehisced anther sacs.Microscopical examinations indicated that these calli were formed by repeated divisions of the pollen grains.5 days after,the pollen calli were transferred into the medium containing either 0.2-2mg/l NAA and 0.2-2mg/l kinetin or 0.5mg/l IAA and 15% cocoanut milk,differentiation of shoots began to occur.It was also found that if the anthers were inoculated on the MS medium containing either 20% cocoanut milk or 2mg/l IAA and 2mg/l kinetin,shoots would develop directly from the anther sacs.The chromosome counts in root tips of 6 plantlets examined gave the number 21,confir- ming that they are haploids.The haploid plants produced spikes but did not set seeds.

采用离体培养小麦(Triticum vulgare)花药的方法成功地诱导小麦花粉形成了单倍体植株。在附加2—20毫克/升的2,4-D 和各种有机附加物的 MS 培养基上,属于27个杂种或品种的21094个花药中有103个花药产生了愈伤组织,这些愈伤组织均着生在裂开的药室内,显微观察证明它们是由花粉经过多次细胞分裂形成的。花粉愈伤组织转移到含有0.2—2毫克/升的萘乙酸和0.2—2毫克/升的激动素或含有0.5毫克/升的吲(口朶)乙酸和15%椰乳的 MS培养基上培养5天以后,即陆续分化出幼苗。此外还发现接种在含有20%椰乳或吲(口朶)乙酸及激动素各2毫克/升的 MS 培养基上的花药直接从药室内产生出幼苗。已检查的6株幼苗的根尖细胞的染色体数均为21,表明它们是单倍体。单倍体植株能够抽穗而不结实。

The present article deals with an investigation on the anther culture in vitro of tobacco and red pepper. The tobacco anthers were cultured in vitro on 4 different media.Best result was obtained with Nitsch H medium;Blaydes was ledd effective.The percentage of the embryoids formation increases with the addition of 10—20%(v/v)cocoanut milk.The embryoids may be induced with sucrose from 1—4%;and 3% is the optimum. The anthers of different developmental stages were cultured in vitro for com- parison.It is...

The present article deals with an investigation on the anther culture in vitro of tobacco and red pepper. The tobacco anthers were cultured in vitro on 4 different media.Best result was obtained with Nitsch H medium;Blaydes was ledd effective.The percentage of the embryoids formation increases with the addition of 10—20%(v/v)cocoanut milk.The embryoids may be induced with sucrose from 1—4%;and 3% is the optimum. The anthers of different developmental stages were cultured in vitro for com- parison.It is found that when the anther with its pollen grains at the 1-nucleate stage,while the nucleus is situated on one side of the pollen,is the best material for haploid seedling induction. The embryoids were mainly formed in two ways:They were formed either from the development of equal division of the 1-nucleate pollen grain or from the vegetative nucleus of the unequal division of the 1-nucleate pollen grain.The generative nucleus may divide only once or several times but eventually the nucleus and its derivatives degenerate. The chromosome number of the root tip or shoot apex of the pollen plants is found to be n=24;the haploid nature of this plant was confirmed.Colchicine of different concentrations was used to double up the chromosomes of the haploid plantlets.In this way many diploids were obtained and among them a few were tetraploids.The production of the embryoids by different means was discussed. The red pepper anthers were cultured in vitro on NT and MS media,supplemented with different growth substances at the stage when its only nucleus is situated on one side of the pollen grain.The anthers gave rise to embryoids and calli.The develop- ment of the 1-nucleate pollen grain through“proembryo”to the formation of the seed- ling was observed.The development of the embryoids is similar to that of the zygotic embryo. The development of the embryoids from the pollen grains may cease to grow at any stage,hence a few of them may develop into seedlings. The connection between the multicellular“proembryo”and the pollen grain can be seen.The cells inside the pollen grain are large and stained lightly,while the cells of the embryoids outside the pollen grain are small,meristematic and closely arranged; some of them being in the initial stage of differentiation. The cells of the root tip and the callus have been examined with aceto-carmine squash method.The chromosome number was found to be n=12;therefore these plants and calli are haploids.

本文报道关于菸草和辣椒花药离体培养的研究结果。对于菸草花药离体培养曾进行四种培养基的对比试验,结果以 NH 效果最好,Blaydes 次之。10—20%(体积/体积)椰乳能提高花药成胚的百分比,对单倍体幼苗也有促进作用。蔗糖浓度从1—4%都能产生“胚状体”,以3%的蔗糖浓度产生“胚状体”的百分比最高,长出的幼苗也比较健壮。对花粉不同发育时期进行了比较试验,花药中花粉单核靠边时期进行培养的出苗率最高。“胚状体”的形成主要由单核花粉粒均等分裂或由营养核分裂两种方式形成“胚状体”。生殖核只进行几次分裂而最后逐渐退化消失。对菸草花粉植株进行根尖或茎尖制片,观察其染色体数目为24,证明是单倍体。用不同浓度的秋水仙碱对单倍体植株进行染色体加倍,得到许多二倍体后代,其中少数是四倍体。本文对花药离体培养和组织培养中产生“胚状体”问题进行了讨论。辣椒采用花粉单核靠边时期的花药,培养在 NT 及 MS 加有补充物质的培养基上,花药既产生“胚状体”又产生愈伤组织。观察到单核花粉最初分裂发育成多细胞“原胚”到最后形成幼苗的过程。“胚状体”的发育与合子胚的发育过程相似。在花粉发育成幼苗的各个发育时期都可能停止发育,长成幼苗的只是少数。...

本文报道关于菸草和辣椒花药离体培养的研究结果。对于菸草花药离体培养曾进行四种培养基的对比试验,结果以 NH 效果最好,Blaydes 次之。10—20%(体积/体积)椰乳能提高花药成胚的百分比,对单倍体幼苗也有促进作用。蔗糖浓度从1—4%都能产生“胚状体”,以3%的蔗糖浓度产生“胚状体”的百分比最高,长出的幼苗也比较健壮。对花粉不同发育时期进行了比较试验,花药中花粉单核靠边时期进行培养的出苗率最高。“胚状体”的形成主要由单核花粉粒均等分裂或由营养核分裂两种方式形成“胚状体”。生殖核只进行几次分裂而最后逐渐退化消失。对菸草花粉植株进行根尖或茎尖制片,观察其染色体数目为24,证明是单倍体。用不同浓度的秋水仙碱对单倍体植株进行染色体加倍,得到许多二倍体后代,其中少数是四倍体。本文对花药离体培养和组织培养中产生“胚状体”问题进行了讨论。辣椒采用花粉单核靠边时期的花药,培养在 NT 及 MS 加有补充物质的培养基上,花药既产生“胚状体”又产生愈伤组织。观察到单核花粉最初分裂发育成多细胞“原胚”到最后形成幼苗的过程。“胚状体”的发育与合子胚的发育过程相似。在花粉发育成幼苗的各个发育时期都可能停止发育,长成幼苗的只是少数。由单核花粉粒所形成的多细胞“原胚”可突出花粉壁外但仍与花粉粒相连,花粉粒内细胞大而染色淡,花粉壁外的多细胞“原胚”的细胞排列紧密,体积小而有分生能力,有的已开始分化。小苗的根尖和愈伤组织细胞,用醋酸洋红压片检查,其染色体数目为12,证明是单倍体。

For cooperation to the utilization of heterosis and the selection of“three lines”in crops by the people,we have studied tbe metabolic condition of“three lines”inSorghum and rice with irradiant isotops.Experiments indicate that:in the flowerorgan of male sterile plants during the cells inside the anther developing to thestage of microspore or of single nucleic pollen,metabolic blocks rhythmicallydevclopes.This kind of metabolic blocks is mainly relative to the metabolism ofnucleic acid and proten in the...

For cooperation to the utilization of heterosis and the selection of“three lines”in crops by the people,we have studied tbe metabolic condition of“three lines”inSorghum and rice with irradiant isotops.Experiments indicate that:in the flowerorgan of male sterile plants during the cells inside the anther developing to thestage of microspore or of single nucleic pollen,metabolic blocks rhythmicallydevclopes.This kind of metabolic blocks is mainly relative to the metabolism ofnucleic acid and proten in the cells.At that time the tapetums cell also developedphysiological and morphological variation.this paper may be helpful to advancedlyrecognize the partial internal mechanism produced the abortion of pollen controlingby the hereditary gene of male sterile in the cell.

配合群众性杂种优势利用及“三系”选育科学实验,应用放射性同位素对高粱及水稻“三系”植株的代谢情况进行了研究。实验表明:在不育系植株当花药内的细胞处于小孢子或单核花粉阶段的花部器官中,有规律地发生了代谢障碍,这种代谢障碍主要与细胞中核酸和旦白质的代谢有关;此时,毡绒层细胞也发生了生理、形态上的变化。本文有助于进一步认识细胞内雄性不育遗传因子控制花粉败育性状形成的部份的内在机理。

 
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