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- 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。
- 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.
- 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。
- 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。
- 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。
- 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 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。
- 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。
- 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;
- He is working double tides to finish his essay. 他日夜苦干,赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- DH ( doubled haploid) population 双单倍体群体
- He was so fat that he had a double chin. 他胖得有双下巴了。
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的?
- Reserve double room June fourth to tenth inclusive. 预订双人房间,六月四日至十日,共六晚,望订妥复电。
- In this case, I can double for penalty. 假如这样的话,我可以叫加倍了。