Study of Conformation Polyploidy on Glycyrrhiza uralensis Seed Dealt with by Colchicine 秋水仙素处理甘草种子诱导多倍体的研究
The Comparative Study on the Blood and Blood Cells of the Polyploidy Hybrids and Their Original Parents 不同倍性鲫鲂及其原始父母本血液及血细胞比较研究
Hybrid sterility is sometimes overcome by polyploidy. 有时可用多倍性来克服杂种不育性。
Study on Resistance to Fusarium Wilt in Different Polyploidy of Watermelons 不同染色体倍性西瓜对枯萎病的抗性研究
Polyploidy Breeding and Its Application Research Progress of Medicinal Plants 药用植物多倍体诱导与鉴定研究进展
Progress of Study on Characteristic of Polyploidy Watermelon and Its application 多倍体西瓜的特性及其应用研究进展
Study on Inheritance Divergence of Transposons in Polyploidy Fish and Gonad Development of Gynogenetic Fish in Molecular Biology 多倍体鱼转座子的遗传变异和雌核发育鱼性腺发育的分子生物学研究
Combined with the cytological, morphological and ecological data, the basic number and the origin and evolution of polyploidy of the genus were discussed. 同时,结合细胞学、形态学和生态学特点探讨了秋枫属的染色体基数,多倍化的起源及其演化意义。
Research Progress of Polyploidy Induction by Colchicine in Ornamental Plants 秋水仙素诱导观赏植物多倍体研究进展
In this article, ways of polyploidy breeding, the identification of polyploidy, application of watermelon polyploidy, and the prospective of watermelon polyploid breeding are reviewed. 文章概述了西瓜多倍体的产生途径、鉴定方法,西瓜多倍体育种的应用以及研究新动向。
Studies on the Tissue Culture and Polyploidy Induction in Six Species of Primula 六种报春花属植物的组织培养与多倍体诱导研究
Primary Studies on Selection of Self-bred Lines and Induction of Polyploidy in Mose Rose ( Portulaca Grandiflora. Hook); Breeding and Application of the Elite Maize Inbred Line Luyuan 92 半支莲自交系选育与多倍体诱导的初步研究优良玉米自交系鲁原92的选育与应用
Together with other lines of evidence, we propose that polyploidization is still an ongoing process in grasses of polyploidy origins. 参照其它类群演化式样,提出多倍化仍然在禾草的多倍化起源方面起作用。
A study of inducing polyploidy of Salvia miltiorrhiza Bunge in the process of tissue culture was made. 应用组织培养技术进行人工诱导丹参多倍体的研究。
The low-copy nuclear genes with special evolution characteristics and abundant phylogenetic information in polyploidy plant lineage show gene silencing, gene activation, and unequal expression in transcript level. 在这类植物谱系中,低拷贝核基因具有特殊的进化特点和丰富的植物系统发生信息,在转录水平存在基因沉默、基因激活和不均等表达等特点。
Since the first tetraploid watermelon was obtained in 1939, polyploidy breeding has always been the focus of watermelon breeding. 从1939年获得第一个四倍体西瓜以来,多倍体育种就一直是西瓜育种的一个热点。
The approach and achievement of Breeding of polyploid grapes and the identification of Polyploidy grapes were systematically stated. 综合有关文献对葡萄三倍体、四倍体等多倍体育种研究的现状、育种的途径及葡萄多倍体的鉴定进行了较系统的阐述。
The research progress in the selection of natural polyploidy tea plants and the technology of tea polyploidy breeding and identification are reviewed in this paper, and the existing problem in tea polyploidy breeding and developing directions are also discussed. 本文综述了茶树自然多倍体选育,茶树多倍体育种技术和鉴定技术等的研究进展,并对茶树多倍体育种存在的问题和发展方向进行了讨论。
Advances in polyploidy breeding of woody plants is reviewed according to several factors, including polyploidy breeding resources, approaches and identification. 本文从木本植物多倍体育种资源、多倍体育种途径和多倍体鉴定等方面,对国内外木本植物的多倍体育种研究进展进行了综述。
Polyploidy induction and in vitro bulb propagation of Lilium Oriental Hybrids 东方百合多倍体诱导及种球繁育的研究
Studies on Chemical Induction of Flax Polyploidy 亚麻多倍体诱导技术初步研究
Breeders have bred a great deal of new flower varieties by taking routine cross breeding, radiation breeding, tissue culture breeding, polyploidy breeding, and spaceflight breeding etc. 人们通过常规杂交育种、辐射育种、组织培养育种、多倍体育种、航天育种等手段培育了大量的花卉新品种。
It can be used to study the relationship, component and origin of the genome in polyploidy; 应用这一技术可对多倍体中基因组之间的亲缘关系、基因组组成及起源进行研究;
Because of the polyploidy, the mechanisms of reproduction of triploid rainbow trout have changed, even lead to the results of the infertility of triploid female rainbow trout. 由于染色体多倍化,三倍体虹鳟的生殖机制发生了改变,甚至导致了三倍体虹鳟雌性不育。
In this study, the technological systems of micro-propagation from leaf explant in vitro was studied for fast propagation of seedlings and the preliminary polyploidy was induced to resolve the problem of the germplasm shortage. 本研究针对其种质资源缺乏的问题,以无菌苗叶片为外植体建立了离体叶的再生体系,并初步探讨了多倍体种质培育的方法。
Polyploidy is ubiquitous in higher plant kingdom and a lot of crops are of polyploidy origin. 多倍体在高等植物中普遍存在,许多重要农作物都是多倍体。
The reason for widespread polyploidy is that polyploid species compared to its diploid ancestors have a wider range of adaptation and survival potential for living environment and unstable weather conditions, that makes polyploidy has the selective advantage as an important species formation process. 多倍体的广泛存在归因于多倍体物种和其二倍体祖先相比具有更广泛的生存环境和不稳定气候条件下适应生存的潜能,使得多倍体作为重要的物种形成过程而具有选择优势。
Polyploidy is a natural phenomenon in the process of plant evolution. 多倍化是植物进化变异的一种自然现象。
Lily polyploidy breeding is the main way for germplasm innovation. The induction of polyploidy mainly through inducing somatic cell without division and cell chromosome unreduced. 百合多倍体育种是种质创新的主要途径,多倍体的诱导主要是通过诱导体细胞染色体不分裂和性细胞染色体不减数实现的。