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- Doubled haploid lines(DH) 加倍单倍体（DH）群体
- doubled haploid lines DH群体
- A doubled haploid( DH) population in three lines hybrid wheat was established by anther culture. The population was composed of21 progenitive plants and22 sterility plants. 用花药培养法构建了1个由43个单株组成的“三系”杂种小麦单倍体加倍(DH)体;其中21株是可育的;22株不育.
- The main methods that produce doubled haploid( DH) lines for barley breeding are Hordeum bulbosum method, anther culture method and microspore culture method. 大麦加倍单倍体(dh群体)立的方法很多,目前在大麦遗传育种中运用较多的主要有球茎大麦法、药培养法和小孢子培养法等三种。
- The Obtainment of Double Haploid Line of Transgenetic Rice Plant by the Method of Anther Culture 利用花药培养加速离子束介导转基因水稻后代的纯合速度
- The line "NDF-1" , which is a dwarf mutant , has been obtained from the doubled haploid Brassica napus inbred line 3529 induced by fast neutron and diethyl sulfate (DES), whose high is one third of that of the wildness line . “NDF-1”是利用快中子轰击及硫酸二乙酯(DES)联合处理甘蓝型油菜高秆品系，然后再自交纯合后育成的矮化突变体，其株高仅及亲本的三分之一。
- Double haploid lines DH系
- Double Haploid line DH系
- The use of anther culture to create double haploid( DH) lines is popular in breeding of self incompatibility lines of Brassica crops. 采用花药培养获得加倍单倍体(DH)甘蓝类蔬菜自交不亲和系选育的主要方法之一.
- In this paper, the advances in genetics and breeding for quality characteristics, mi-crospore culture and doubled haploid breeding, gene engineering, and heterosis use of heritable traits of rape are summarized. 介绍油菜品质育种,油菜小孢子培养和双单倍体育种,油菜基因工程,油菜杂种优势利用等研究进展情况。
- A population of 123 double haploid (DH) lines, derived from a cross between an indica variety IR64 and japonica variety Azucena was used in this study. 以籼稻品种IR64和粳稻品种Azucena及其DH群体(123个DH系)为遗传研究材料,在穗干物质积累的不同时期测定穗重。
- A molecular genetic map of flue-cured tobacco was constructed with a 137 doubled haploid (DH) population from a cross of 2 flue-cured tobacco varieties Speight G-28 and NC2326 by using ISSR and RAPD as markers. 以烤烟品种SpeightG-28和NC2326杂交得到的137个DH系为作图群体材料,通过ISSR和RAPD标记的遗传连锁分析,构建了包括27个连锁群、由10个ISSR标记和147个RAPD标记组成的烤烟分子标记遗传连锁图。
- In this study, genetic analysis for the flag leaf roll was carried out in F1 plants and a doubled haploid (DH) population derived from the inter-subspecific cross between ZYQ8 and JX17. 利用籼稻窄叶青8号和粳稻京系17的杂交F1以及衍生的DH系，对水稻籼粳交的卷叶性状进行遗传分析；
- The chromosome doubling of haploid and double haploid in cucumber was studied. 进行了黄瓜单(双单)倍体染色体加倍试验。
- DH ( doubled haploid) population 双单倍体群体
- He doubled his slice of bread to make a sandwich. 他将一片面包对摺做成三明治
- The opening formed by such a doubled line. 圆孔这样的折叠的绳子所形成的圈
- He doubled up when he was struck in the belly. 他的肚子被击中时，他痛得蹲了下来。
- Using 180 DNA probes mapped on rice chromosomes,RPLP analysis was carried out with rice parents Gui630(O. sativa subsp. indica),02428(O. sativa subsp.japonica)and 81 double haploid plants(DH) of their hybrid. 对籼稻圭630和粳稻02428及其F1通过花药培养获得的81个DH系进行了RFLP分析，有28个探针揭示了DNA变异。
- As a result, daily output has doubled. 结果日产量翻了一番。
