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  子房
    STUDY ON THE RADIATION EFFECT OF ~(60)Co GAMMA-RAYS ON POLLEN, OVARY AND ZYGOTE OF WINTER WHEAT
    ~(60)Co-γ射线辐照冬小麦花粉、子房及合子辐射效应的研究
短句来源
    Study on Development Law of Ovary and Ovule in Soybean
    大豆子房和胚珠发育规律研究
短句来源
    Embryo rescue technique was applied to obtain interspecific hybrids between Brassica napus and B. oleracea var.aceaphala. It suggested that the medium, B5 + 1. 0mg/L BA + 0. 2 mg/L NAA+0. 5% Carbon+30 g/L Sugar+8. 0 g/L Agar was more efficient than the others used for ovary culture.
    对甘蓝型油菜和羽衣甘蓝种间杂交杂种进行胚胎换效研究,实验结果表明,采用B_5十1. 0 mp/LBA+0.2 mg/L NAA+0. 5% Carbon+30 g/L Sugar+8. 0 g/L Agar培养基对甘蓝型油莱和羽衣甘蓝杂交子房培养效果较为理想。
    Studies on Relation between Proliferation and Filling of Endosperm Cells and the Change of Physiological Activity of Fertilized Ovary
    水稻胚乳细胞增殖和充实与子房生理活性变化关系的研究
短句来源
    Transforming Anti-TrxS gene into wheat by means of pollen tube pathway and ovary injection
    小麦花粉管通道及子房注射法转化Anti-TrxS基因
短句来源
更多       
  子房
    STUDY ON THE RADIATION EFFECT OF ~(60)Co GAMMA-RAYS ON POLLEN, OVARY AND ZYGOTE OF WINTER WHEAT
    ~(60)Co-γ射线辐照冬小麦花粉、子房及合子辐射效应的研究
短句来源
    Study on Development Law of Ovary and Ovule in Soybean
    大豆子房和胚珠发育规律研究
短句来源
    Embryo rescue technique was applied to obtain interspecific hybrids between Brassica napus and B. oleracea var.aceaphala. It suggested that the medium, B5 + 1. 0mg/L BA + 0. 2 mg/L NAA+0. 5% Carbon+30 g/L Sugar+8. 0 g/L Agar was more efficient than the others used for ovary culture.
    对甘蓝型油菜和羽衣甘蓝种间杂交杂种进行胚胎换效研究,实验结果表明,采用B_5十1. 0 mp/LBA+0.2 mg/L NAA+0. 5% Carbon+30 g/L Sugar+8. 0 g/L Agar培养基对甘蓝型油莱和羽衣甘蓝杂交子房培养效果较为理想。
    Studies on Relation between Proliferation and Filling of Endosperm Cells and the Change of Physiological Activity of Fertilized Ovary
    水稻胚乳细胞增殖和充实与子房生理活性变化关系的研究
短句来源
    Transforming Anti-TrxS gene into wheat by means of pollen tube pathway and ovary injection
    小麦花粉管通道及子房注射法转化Anti-TrxS基因
短句来源
更多       
  子房
    STUDY ON THE RADIATION EFFECT OF ~(60)Co GAMMA-RAYS ON POLLEN, OVARY AND ZYGOTE OF WINTER WHEAT
    ~(60)Co-γ射线辐照冬小麦花粉、子房及合子辐射效应的研究
短句来源
    Study on Development Law of Ovary and Ovule in Soybean
    大豆子房和胚珠发育规律研究
短句来源
    Embryo rescue technique was applied to obtain interspecific hybrids between Brassica napus and B. oleracea var.aceaphala. It suggested that the medium, B5 + 1. 0mg/L BA + 0. 2 mg/L NAA+0. 5% Carbon+30 g/L Sugar+8. 0 g/L Agar was more efficient than the others used for ovary culture.
    对甘蓝型油菜和羽衣甘蓝种间杂交杂种进行胚胎换效研究,实验结果表明,采用B_5十1. 0 mp/LBA+0.2 mg/L NAA+0. 5% Carbon+30 g/L Sugar+8. 0 g/L Agar培养基对甘蓝型油莱和羽衣甘蓝杂交子房培养效果较为理想。
    Studies on Relation between Proliferation and Filling of Endosperm Cells and the Change of Physiological Activity of Fertilized Ovary
    水稻胚乳细胞增殖和充实与子房生理活性变化关系的研究
短句来源
    Transforming Anti-TrxS gene into wheat by means of pollen tube pathway and ovary injection
    小麦花粉管通道及子房注射法转化Anti-TrxS基因
短句来源
更多       
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  ovary
The ovary is trilocular with axile placenta, and the ovules are bitegmic, tenuinucellate, and anatropous.
      
A gradual increase in the content of the active and storage forms of the hormones from the ovary to the ovule was revealed.
      
Effect of Estradiol Dipropionate on Protein Synthesis in Oocytes and Ovary of the Sea Urchin Strongylocentrotus intermedius at D
      
We studied protein synthesis in the oocytes and ovary of the sea urchin Strongylocentrotus intermedius at different stages of the reproductive cycle after treatment with estradiol dipropionate.
      
After estradiol dipropionate treatment, the inhibitors of protein synthesis, puromycin and actinomycin D, decreased the intensity of 3H-leucine incorporation in the oocytes and protein synthesis in the ovary.
      
更多          


Parthenogenesis induction is one of the methods of plant haploid breeding. So far it has not been reported that the isolated anther or ovule formed plantlet. In this experiment, both the ovary and the ovule of cotton have been treated by chemical drug for inducing the ovule to produce artificial parthenogenesis on maternal plant.Two hybrids were used as materials in this test, one is F1 of Liao 5×Shensi 3245 and the other is F2 of (632-128 × Mexico 910) × N75. We treated the flower buds. The age of these...

Parthenogenesis induction is one of the methods of plant haploid breeding. So far it has not been reported that the isolated anther or ovule formed plantlet. In this experiment, both the ovary and the ovule of cotton have been treated by chemical drug for inducing the ovule to produce artificial parthenogenesis on maternal plant.Two hybrids were used as materials in this test, one is F1 of Liao 5×Shensi 3245 and the other is F2 of (632-128 × Mexico 910) × N75. We treated the flower buds. The age of these flower buds is from six days after its appearance to one day before the flower opens by colchicine, dimethyl sulfoxide and petroleum growth promoting substance with different concentration and combination. 435 flower buds have been treated and achieved 102 parthenogenesis bolls. In these parthenogenesis bolls, among these seeds some are undeveloped, some are semi-developed, while others have completely developed. Only the complete seeds may germinate. This test showed that when the age of flower buds appeared after 16-21 days and the ratio of length of the calyx and the corolla was 7.6:4.0 mm-8.5:9.5 mm, the effect of treatment by 0.2% dimethyl sulfoxide + 0.2% colchicine was the most pronounced, the frequency of the seed formation in the parthenogenesis boll being higher. In this paper, the accuracy of these bolls derived from artificial parthenogenesis and the problem of bolls abscission have been discussed too.

本试验采用化学药剂处理子房或胚珠,诱导胚珠在母体上单性发育。胚珠从完全不发育到发育成种子的各种类型,只有发育完全的籽才有发芽能力。试验表明,以0.2%二甲基亚砜+0.2%秋水仙精、蕾龄为16—21日、花萼与花冠长短之比为7.6:4.0mm—8.5:9.5mm的处理效果最好。同时讨论了单生铃的可靠性问题和保铃问题。

In order to study the antagonism of plant growth hormones to the ethylene in- duced abscission of cotton boll.The results of a series of experiments are summarized briefly as follows: First of all,we found that ethylene had abscission-promoting effect on cotton boll. The percentage of abscission of cotton boll induced,by ethrel was 100%.The abscis- sion-promoting effect of ethylene on the cotton boll was inhibited not only by gib- bercllin but also by zeatin.At the end of the experiment it was found that the...

In order to study the antagonism of plant growth hormones to the ethylene in- duced abscission of cotton boll.The results of a series of experiments are summarized briefly as follows: First of all,we found that ethylene had abscission-promoting effect on cotton boll. The percentage of abscission of cotton boll induced,by ethrel was 100%.The abscis- sion-promoting effect of ethylene on the cotton boll was inhibited not only by gib- bercllin but also by zeatin.At the end of the experiment it was found that the ovaries which were treated with ethrel in the presence of gibberellin or zeatin can continue to grow and develop into parthenocarpic fruits.In addition,the growth and development of the cotton bolls,especially seeds and fibres,were significantly affected by ethylene in the presence of gibberellin.

乙烯诱导棉花幼铃的脱落,能被赤霉素所抑制。这种经赤霉素与乙烯利混合处理后的棉铃,能继续生长形成无籽果实。同时发现,玉米素亦能抑制乙烯诱导的幼铃的脱落。在赤霉素的存在下,乙烯对棉铃的生长发育,尤其对棉子和纤维的生长发育有很强的抑制作用。

This paper is a report on the variation of multiple-grain wheat in Triticum aestivum and the mode of its inheritance. This variation was selected from Triticum aestivum var. "Ai-Luo-Yang" at the county farm of Xian Ju Xian, Zhejiang. Most of the features of this variation are all similar to the original variety but the plants have some abnormal florets in which the pistils are multiple (numbers uncertain). The abnormal floret may contain 2-3 ovaries or 1-3-(rarely 6) "semi-carpellody" of metamorphic leaves...

This paper is a report on the variation of multiple-grain wheat in Triticum aestivum and the mode of its inheritance. This variation was selected from Triticum aestivum var. "Ai-Luo-Yang" at the county farm of Xian Ju Xian, Zhejiang. Most of the features of this variation are all similar to the original variety but the plants have some abnormal florets in which the pistils are multiple (numbers uncertain). The abnormal floret may contain 2-3 ovaries or 1-3-(rarely 6) "semi-carpellody" of metamorphic leaves or both. In each abnormal floret, finally the multiple pistils can develop into 2-3 seeds. So we designate this variation as multiple-grain wheat. Owing to the rest of floral parts of this adnormal floret being entirely regular, so it is impossible that this abnormal floret can be the result from a cluster of degenerated florets or car-pellody of other floral parts. It belongs to a polygenous variation.This trait is controlled by two recessive additve major genes mg1、 mg2 located on 6B and 3D chromosomes respectively. In the different combinations, there may be a dominant inhibiting gene. In addition, environment and physiology may also affect its expression. The value of multiple-grain wheat in economy re'quires to further investigate.

复粒小麦系仙居县农场从普通小麦品种“矮洛阳”中选择出来的一个稳定变异类型。它的外形特征及一般的农艺性状均与原品种相似。唯植株上大部分穗子都有一些多子房小花及一些“半心皮化”的变态叶状片围绕着1或2个子房。子房可有2—3枚;“半心皮化”变态叶状片一般为1—2枚,最多可达6枚。多子房小花可以结2—3粒种子,从而形成一个复合的颍果。花器其他部分均表现正常。为此复粒性状不是由于小花的骈生和退化或花器其他部分雌性化的结果,而是属于一种多雌的变异。复粒性状受二对隐性的加性主基因(暂命名为mg_1、mg_2)控制。在不同杂交组合中它还可能存在一对显性的抑制基因。经过小麦单体系杂交测定,二个主基因分别位于6B和3D染色体上。复粒性状的发育,除上述基因外,还受环境条件和生理的影响,也有更广泛的遗传背景。复粒小麦的经济价值有待进一步研究.

 
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