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- The chromosome karyotypes and the chromosome variation of regenerated plants of perennial ryegrass(Lolium perenne L. 对多年生黑麦草核型及组织培养再生植株细胞染色体变异进行了观察研究。
- There are tetraploid and diploid regenerated plants in "Page tangelo + Valencia orange" and "Hongju tangerine + Rough lemon". 丹西红橘+粗柠檬和佩奇橘柚+伏令夏橙2个组合的再生植株既有二倍体也有四倍体;
- Clustered shoots could grow from hairy roots in MS medium without growth regulators and then could form regenerated plants. 转化毛状根在无生长调节物质的MS培养基上培养可获得丛状芽,并发育成植株。
- The method for measurement of the length of stoma guard cell was proved to be a simple way of estimating ploidy of the regenerated plants. 通过测量气孔保卫细胞长度来评估再生植株的染色体倍性是一种简单可行的方法。
- The protocorms and regenerated plant were induced from the seeds and the pseudobulbs of Cremastra appendiculata(D. 以杜鹃兰的种子和假鳞茎作外植体均诱导获得原球茎及再生植株。
- Miniature mutants appeared in the generations of the regenerated plants were obtained in the scutellum cell of the sorghum pure Line 401-1 through immature embryo culture. 摘要以高粱纯系401-l为材料,通过幼胚培养,由小盾片细胞产生的再生植株后代出现株形矮小、叶形窄短的突变体。
- The growth of callus induced from roots of RA regenerated plant was also resistant to AEC after subculture on AEC-free medium for three months. R_(AEC)再生植株根尖诱导的愈伤组织经过3个月继代培养也保持稳定的抗性。
- Conclusion: Agrobacterium rhizogene can induce hairy roots from autotetraploid Isatis indigotica, and the obtained hairy roots can develop into regenerated plants. 结论:发根农杆菌可以诱导四倍体菘蓝长出毛状根,经诱导出的毛状根具有再生完整植株的能力。
- The regeneration plant was induced on MS medi a with BA. 菘蓝毛状根在含BA的MS培养基中成功地诱导出再生植株;
- Utilizing this system, more than 50% hygromycin resistance selection efficiency was obtained with callus derived from young embryo (DREW, japonica ) and young panicle (D Shan B, indica ) as receptor, some regenerated plants were acquired. 依据该体系,以粳籼DREW 的幼愈伤组织和籼稻D汕B的幼穗愈伤组织为受体,经农杆菌AGL1/pCAMBIA1301转化后, 获得了超过50%25 的潮霉素抗性愈伤筛选率, 并获得再生植株。
- Regenerated plants with kanamynic resistantance were obtained. PCR , PCR-Southern blot analysis , southern dot blot analysis of lettuce DNA confirmed that adw gene had been integrated into the plant genome. 细胞核载体PB-adw、PBG-adw均采用农杆菌介导法将adw导入莴苣,细胞核转化获得了生长良好的抗性莴苣植株,经PCR、PCR-Southern、southern斑点杂交分析证实,adw基因已整合到莴苣基因组中。
- Data showed that two-year-old calli and their regenerated plants, as analyzed with 24 RAPD and 20 ISSR primers, manifested moderate levels of genomic variations (20.83% and 17.04% respectively). 所得的数据表明在所选的24个RAPD引物和20个ISSR引物中,培育两年的愈伤组织和它们的再生植株表现出适中水平的基因组多态性(分别为20.;83%25和17
- Abstract: Miniature mutants appeared in the generations of the regenerated plants were obtained in the scutellum cell of the sorghum pure Line 401-1 through immature embryo culture. 摘 要: 以高粱纯系401-1为材料,通过幼胚培养,由小盾片细胞产生的再生植株后代出现株形矮小、叶形窄短的突变体[1]。
- The isozyme analysis showed that the differences of bands pattern among first selfed progenies of new species and regenerated plant were very small in 4 isozyme sysytem (AAT, GDH, POD and ME). 同工酶分析结果显示,新种自交一代在天冬氨酸转氨酶(AAT)、谷氨酸脱氢酶(GDH)、苹果酸酶(ME)、过氧化物酶(POD)4个同工酶系统上的谱型差异较小。
- Active cardon was effective for preventing the explant from browning and dying, MET 1.5 mg/L promoted the development of regenerated plant root, and the survival rate of transplants was more than 95%. 活性炭可有效防止外植体叶块变褐死亡;多效唑1.;5 mg/L可促进再生植株根的形成,使叶片变厚变短变绿,使试管苗移栽成活率达95%25以上。
- The plant was growing at an angle. 植物呈一定角度生长。
- After his holiday he felt regenerated. 他休假之後觉得又有了精神。
- Choosing these calli can regenerate plants and directly test its antifungual and antibacterial powder. 选择这些愈伤组织可以再生植株,并直接体内检测其抗真菌和细菌的能力;
- The party soon regenerated under her leadership. 该党在她的领导下很快焕然一新。
- The somaclonal variation of regeneration plant derived from mature embryo of perennial ryegrass (Lolium perenne L. were analyzed with RAPD makers. 摘要以多年生黑麦草成熟胚诱导获得的再生植株为材料,利用RAPD标记方法对其体细胞变异进行了研究。