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- somatogenous apomixis 体细胞无融合生殖
- Title: Apomixis in Guineagrass (Panicum maximum Jacq. 关键词:大黍;无融合生殖;胚胎学;遗传学
- A plant that reproduces by or is reproduced by apomixis. 无配生殖植物,无融合生殖植物可进行无配生殖的植物或由无配生殖产生的植物
- Apomixis is a special reproductive way widely exist in plantae. 摘要无融合生殖是植物界中普遍存在的一种特殊生殖方式。
- The practical value of apomixis in plant breeding is rem. 无融合生殖在育种工作中具有潜在的应用价值。
- Further studies are necessary to clarify a taxonomy complicated by hybridization and apomixis. 需要进一步的研究验证一种通过杂交和无融合生殖折叠的分类法。
- Embryological investigation was carried out on apomixis in Eulaliopsis binata(Rotz)C. 采用石蜡切片技术对龙须草(Eulaliopsis binata(Rotz)C.
- This paper presents a brief review of the current status of knowledge in the main fields of apomixis research. 对近几年来植物无融合生殖的研究进展及发展动态作一综述,列举了新发现的具有无融合生殖特性的植物种类;
- As presented in has high degree of apomixis, E. binata might act as a potential valuable donor for apomixis gene . 龙须草具有很高的无融合生殖度,是优良的无融合生殖基因供体。
- The taxonomy of this subfamily is particularly challenging because of hybridization, polyploidy, and apomixis, especially for large genera. 因为杂交,多倍性和无融合生殖,特别是做为大的属这个亚科的分类法正面临挑战。
- Apomixis is a mode of reproduction (asexual propagation through seeds) that exists in many plants from different botanical families. 摘要由于利用无融合生殖途径可以固定杂种优势,从而改良现有植物的育种策略,因此对无融合生殖的研究已成为生物学科的新生长点。
- Frequency of apomixis was from 0.41 to 0.64 when the plant was exposed to natural photoperiod, and to that with addition of one hour. (4)在自然光照时间和增加1h光照时间条件下,无融合生殖的频率在0.;41-0
- By these we obtained many dihaploid flax seeds.The significance of flax apomixis and its value to flax breeding were discussed. 本文阐述了双胚亚麻无融合生殖的意义和在育种中的利用价值。
- Apomixis was completed by biflagellated gametes which were released from gametophytes.Biflagellate neutral zoospores and quadriflagellate neutral zoospores were observed. 单株培养时,发现有些配子体通过放散两鞭毛的配子完成单性生殖;
- However, apomixis as a reproductive way of diversity in plant revolution is very comprehensive.In this paper, the distribution of apomictic species in Gramineae is reviewed. 然而禾本科植物无融合生殖作为其繁殖多样性的一种形式,在系统进化过程中的作用是非常复杂的。
- This paper majorly reported the new advance of studies on Sichuan apomixis rice,and discussed the utilization value of the representative apomixis rice materials in China. 本文着重报道了四川无融合生殖水稻材料的研究新进展,并对国内有代表性的无融合生殖水稻材料的利用价值进行了讨论。
- This is a form of APOMIXIS. 这是一种单性生殖。
- This paper introduced the application of biotechnology in rice genetics and breeding,including tissue culture,cell mutants selection,protoplast fusion,apomixis,molecular mark assisted breeding and genic transformation. 简要综述了生物技术在水稻遗传育种中的应用,主要包括组织培养、细胞突变体的筛选、原生质体融合、无融合生殖以及分子标记辅助育种和转基因技术等方面。
- The approaches for decreasing the gene flow include chloroplast transformation, pollen sterility, seed sterility, cleistogamy, apomixis, temporal control, and transgenic mitigation. 目前降低外源基因扩散的方法主要有叶绿体转化、花粉不育、种子不育、闭花受精、无融合生殖、暂时性控制及转基因缓和等。
- An improved CTAB method was used to isolate RNA from an apomixis ramie(Boehmeri.tricuspis(Hance) Marino). The electrophoresis on 1.2%agar and absorbency of 260 and 280nm both showed that the RNA was intact and had a high efficiency. 应用改良CTAB法提取苎麻属野生种悬铃叶苎麻(Boehmeri.;tricuspisH(ance)Marino)的花序RNA;通过1
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