无性繁殖
- 名asexual reproduction;vegetative propagation;agamogenesis
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nit突变特性在自交和无性繁殖过程中能够稳定遗传;
The nit mutation could be steadily inherited by self-cross process and asexual reproduction .
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Penna模型是基于无性繁殖的考虑生物进化问题的群体演化的模拟模型。
The Penna model of biological aging is based upon asexual reproduction .
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即使如此,任何实验工作者仍不能预料剩下的片段中哪个将无性繁殖
Even so , on experimenter can predict which of the remaining fragments will be cloned .
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澳大利亚特色花卉SunFan无性繁殖研究
Study on Asexual Propagation Technology of Australia Characteristic Flower Sun Fan
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高寒地区天麻无性繁殖GAP栽培新技术
A new GAP cultivated technique of tuber of Tall Gastrodia in frigid area
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剪枝长春花(C型生活史型)由于受严重的剪枝胁迫集全部能量供无性繁殖,故三种内源激素含量都高。
Three endogenous hormones were all very high in pruning stress condition ( C form ), because under the heavy pruning stress all energy supports to clone reproduction .
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基于单亲细胞的无性繁殖&分裂,提出了一类新的DNA分子自进化优化算法。
This paper presents a self evolving computational paradigm based on reproduction of DNA molecules in asexual spores and develops a new DNA evolutionary algorithm ( DEA ) .
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所获得的无性繁殖子代均能够利用PCR检测到抗菌肽shiva-1基因的存在。
The asexually-propagated progenies of the transgenic paulownia were tested by PCR to contain gene shiva-1 of antimicrobial peptides .
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选系的鲜草产量高于美洲狼尾草及生产上常用的苏丹草,但较杂交种F1无性繁殖苗为低。
Fresh matter production of the strains were higher than that of pearl millet and sudangrass which is widely extended , but lower . than that of pennisetum hybrid propagated vegetatively from F_l plants .
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方法将菌种分别接种于麦芽汁-琼脂培养基和0.5%蛋白胨-琼脂培养基平板上,18-20℃培养7d后,进行碳源同化试验、糖发酵试验及无性繁殖形态观察。
Methods The colonial morphology and morphologic change were observed by asexual multiplication , carbon source assimilation and sugar fermentation test .
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茭白(ZizanialatifoliaTurcz)为多年生水生宿根性草本植物,无性繁殖,原产中国和东南亚。
Zizania latifolia Turcz , which originates from China and Southeast Asia , belongs to perennial aquatic vegetables and reproduces asexually .
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结果表明:①所有观赏性状在F1代都发生了广泛分离,这意味着无性繁殖使亲本品种保持着高度的杂合性;
The results showed : ① Wide segregation was occurred in F1 in all ornamental traits under consideration . It implies that the parent had a high degree of heterozygosity maintained by vegetative propagation .
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Penna模型是基于无性繁殖的种群演化模拟模型,该模型于1995年由巴西人T.J.P.Penna提出。
The Penna model is an evolution model based on asexual reproduction , and is published in 1995 by T. J. P.
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结果表明:在无性繁殖条件下,黄化突变体CtyYm的叶色变异能够在后代植株中稳定遗传;
The results showed , under the condition of agamogenesis , the mutant of leaf etiolate ( Cty Ym ) can be stably inherited .
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结果表明,接种AM真菌明显促进了无性繁殖茶苗的生长,无论是株高还是地上、地下干重都高于不接种者(CK),且差异达极显著水平(P<0.01)。
The results indicated that AM promoted the growth of vegetative tea seedlings , not only plant height but also aboveground and underground weights , moreover , the differences between inoculated and uninoculated ( CK ) tea tree was significant at 0.1 % level .
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无性繁殖作物的诱变适宜剂量则可通过室内测定休眠芽条GRD(60)(使萌芽率下降50%)的剂量值确定。
While with asexual reproduction crops , the appropriate dose for radiation mutation may be determined by indoors measuring the dose value of GRD_ ( 50 ) ( the germination rate decreased by 50 % ) of dormant huds .
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在溶解氧、食物、生存空间等不成为限制性增长因子的情况下,25℃时母体的平均连续繁殖世代时间为15.4h,子体的平均连续繁殖世代时间(无性繁殖的世代时间)为42h。
Under the condition of DO , nutrient and living space without limitation factors , the average continuous propagation time of the parent body is 15.4 h at 25 ℃, and that of the daughter body is 42.0 h.
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5种沉水植物无性繁殖和定居能力的比较研究
Comparative study of regeneration and colonization ability in five submersed macrophytes
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无性繁殖的进展及其在无性系林业中应用前景
Development of Asexual Reproduction and Its Application Prospect in Clonal Forestry
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榛子无性繁殖技术研究的现状与趋势
Status and Trends in Study of Corylus Heterophylla Vegetative Propagation Techniques
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马铃薯是世界广泛种植的高营养作物,属同源四倍体作物,以无性繁殖为主,遗传复杂。
Potato is a nutritious crop cultivated over the world .
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家蚕雌蚕单性生殖无性繁殖系的配合力研究
Studies on Combining Ability of Female Silkworm Parthenogenetic Clones , Bombyx mori
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苏南低山丘陵地区杉木无性繁殖的研究
Clonal propagation of Chinese fir in hilly mountains of Jiangsu
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基于单亲生物无性繁殖的一种进化算法
A New Evolutionary Approach Based on Reproduction of Asexual Cells
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用常规无性繁殖方法育苗均未成功。
But all the conventional vegetative propagation methods have failed to reproduce it .
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一种新的橡胶无性繁殖方法&籽苗芽接法
A novel approach to rubber propagation & mini-seedling budding
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半夏既有有性繁殖,又有无性繁殖。
P. ternata is of sexual and asexual reproduction .
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油松和美国黄松无性繁殖技术研究
Study on Asexual Propagation Technique of Pinus Tabulaeformis Carr . and Pinus Ponderosa
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营养繁殖体是无性繁殖树木的任何类型。
A " vegetative propagule " is any type of vegetatively propagated tree .
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细胞核移植对动物优良杂交种的无性繁殖具有重大意义。
Nuclear transfer of animal hybrids fine of great significance to asexual reproduction .