查询词典 cross sterility
- 与 cross sterility 相关的网络例句 [注：此内容来源于网络，仅供参考]
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In order to get rid of the influence of cross-sterility caused by hybrization between indica and japonica, F2 population between zhenqiuB and 6078 was studied.
为了排除籼粳杂种不育可能对雄性不育性遗传的影响，本研究还配制了真秋B／6078的F_2群体。
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Its contents are as follow: A description for the characteristics of Agropyron elongatum and its genome; the methods used to overcome the cross-sterility and hybrid sterility; the cross breeding procedure and the genetic analysis for it; the selected hybrids which are the Triticum-Agropyron octoploid species, the alien addition lines, the alien substitution lin...
内容介绍了长穗偃麦草的特性和染色体组型，克服杂交不育和杂种不育的方法，杂交育种的程序及其遗传分析和选出的小偃麦八倍体种、异附加系、异代换系与丰产抗病的小偃麦新品种。
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2Because of widely-compatible gene in WA zhenqiuA, cross-sterility caused by non-compability between indica andjaponica was avoided . the inheritance analysis of fertility-restorer for WA zhenqiuA/6078 wouldnt be influenced.
2利用粳稻广亲和不育系与籼稻恢复系6078配组，不会因为籼粳不亲和引起的杂种不育而影响雄性不育恢复性的遗传分析。
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A population of 48 individualswas developed from cross'91-42-51' ×'Ruiguang 2', and was used to find molecular markers linked to characters as peach or nectarine, yellow or white flesh, male sterility or male fertility by bulked segregant analysis.
以91-42-51 ×瑞光2号的杂交后代共48个单株为试材，采用集群分离分析法，对桃果实的有毛/无毛、白肉/黄肉以及无花粉/有花粉3 个性状进行了分子标记研究。
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CMS as sterile cytoplasm of-ferer and Chinese cabbage as its accepter,the alloplasmic male sterility line CMS3411-7 in Chinese cabbage have been obtained by interspecies cross and continuedbackcross with Chinese cabbage 3411-7,so 3411-7 was its maintainer line.
CMS3411-7是以甘蓝型油菜Polima不育胞质为供体和大白菜自交系3411-7杂交后，再以3411-7为轮回亲本，经多代回交后得到的含有Polima胞质的异源胞质雄性不育系，3411-7就为其相应的保持系。
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Aimed at the arising problems such as the cross-incompatibility and hybrid's sterility during distant hybridization of fruit trees, effects of different treatments on cross-compatibility of distant hybridization in stone fruits were studied based on the former studies, then physiological and biochemical changes during hybridization between plum and apricot were primarily discussed, and rescue and culture system of hybrids' embryos were also conducted, further the genetic variation and principle between the hybrids and their parents were analyzed and methods of identification of hybrids were established.
针对果树远缘杂交过程中存在的杂交不亲和性及杂种不育性等问题，在前人研究的基础上，研究了不同处理对核果类果树远缘杂交亲和性的效应，并探讨了李、杏属间杂交过程中发生的生理生化变化以及花粉与柱头的互作，建立了李、杏属间远缘杂种的胚培养技术体系，建立了杂种鉴定检测方法，并分析了杂种后代与其父母本之间的遗传变异及规律，最终将一批远缘杂交新种质定植于大田，同时对自然界存在的杏梅种质资源进行了RAPD分析。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。