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已找到 644 条结果
- 桃新品系'北仑02-1'的主要生物学特征及其遗传鉴别北大核心CSCDCSTPCD
- AFLP分析小豆种(Vigna angularis)内遗传多样性北大核心CSCDCSTPCD摘要:利用12对AFLP引物,对来自于世界6个国家的146份小豆(Vigna angularis)栽培变种(var. angularis)和野生变种(var. nipponensis)种质的基因组DNA进行扩增,得到580条清晰的显带,其中313(53.93%)条呈多态性,平均每对AFLP引物得到26.08条多态性带;平均遗传距离0.35,变异幅度为0.00~0.87.利用AFLP多态性数据进行的Jaccard's遗传距离聚类分析绘制的聚类…查看全部>>
- AFLP analysis of genetic variation of Hyphantria cunea(Drury) populations in Beijing and a nearby site摘要:Hyphantria cunea (Drury) is a severe invasive pest in Beijing. It is important to understand the reason for its successful invasion and outbreak. Accordingly, this study was tailored to assess molecular variation and…查看全部>>
- Genetic diversity of Mansonia altissima A. Chev. under different regimes of human impact in the Akure Forest Reserve,Nigeria摘要:Mansonia altissima is an important West African timber tree species. For the purpose of examining the effect of human impact on its genetic diversity, genetic diversity and spatial genetic structure of the species under…查看全部>>
- AFLP初析小豆栽培和野生变种(Vigna angularis Var.angularis and Var.nipponensis) 间演化与地理分布关系北大核心CSCDCSTPCD摘要:利用12对AFLP引物,以饭豆标准品系M00作对照,对来自中国、日本、韩国、尼泊尔、印度、不丹的146份小豆栽培种(Vigna angularis var.angularis)和野生种(Vigna angularis var.nipponensis)种质的基因组DNA进行扩增,得到313条多态性带.据AFLP多态性数据绘制的聚类图,可区分其中的143份种质,表明小豆物种(Vi-gna angularis)存在足够的遗传多样性,可用于资…查看全部>>
- Comparative Studies on the Molecular Genetic Diversities among Haliotis discus hannai,H.discus discus and Their Hybrids摘要:The hybrid (H. discus hannai♀× H. discus discus♂) shows strong heterosis in both growth and survival rates during aquaculture. In order to better understand the genetic basis of heterosis, AFLP markers are adopted to…查看全部>>
- AFLP and RAPD Analysis of the Boer and Indigenous Breeds of the Goat in Jiangsu摘要:Blood and tissue samples were collected from 105 goats including 60 Boer goats (30 for eachsex), 30 Xuhuai goats (15 for each sex) and 15 Haimen goats (7 stud and 8 does). DNA was extracted andDNA pools were constructed…查看全部>>
- 抗青枯病花生种质的遗传多样性北大核心CSCDCSTPCD
- Analysis of Genetic Difference Between Species in Lupins by AFLP摘要:The genetic difference between species in 18 lupins (Lupinus L. ) varieties including L. angustifolius L., L. albus L., L. pilosus Murr. was analyzed using AFLP. A total of 462 bands were observed, among of which, 44…查看全部>>
- 利用AFLP指纹技术鉴定桑树品种CSCD