English translation for "后代群体"
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- progeny population
Related Translations:
后代: 1.(某一时代以后的时代) progeniture succeeding era; later periods (in history); later ages2.(后代的人) later generations; posterity; descendant; offspring 短语和例子培养革命的后代 bring up successors to the revolut 杂种后代: hybrid progenyprogeny of hybrid 压缩后代: reduce progeny numbers 自花传粉后代: self-pollinated progenyselfed progeny
- Example Sentences:
| 1. | In order to compare the differences of genomic dna between the fertile line and the sterile line with aflp technique , genomic dna bulks of the fertile and the sterile lines of which were built up . by using different primer combinations , some polymorphism bands were determined
本研究以‘矮脚黄’白菜核不育两用系的测交后代群体为实验材料，利用aflp指纹图谱技术研究了可育系与不育系基因组dna多态性差异，并对差异条带进行了克隆、测序。 | | 2. | Abstract : the main characters and seed set of bc1 ， bc2 ， bc1f2 from ms line back - crossing with the pollen of hybrid rice were studied . the appearance of a large number of self fertile plants in ms line was analyzed . the effect of introgression of restoring genes on ms line purity and hybrid yield in indica and japonica rice was discussed . it was pointed out that “ iso - cytoplasm restorer line ” was seriously reducing the purity of ms line and that hybrid rice was unsuitable for isolation zone in the seed production fields
文摘:研究了杂交稻花粉对母本不育系回交后代群体bc1 、 bc2 、 bc1f2的主要农艺性状和育性表现，分析了不育系中出现大量自交结实株的原因，讨论了恢复基因渗入对籼、粳不育系纯度和杂交稻产量的影响，指出“同质恢”对降低不育系纯度的严重性和杂交稻作制种田隔离区的不合理性。 | | 3. | The space distribution of pigment gland density on eleven places was analyzed by allotetraploid of ( g . arboreum g . bickii ) and varieties with pigment gland of g . hirsutum g . barbadense and the progeny population which is crossed by allotetraploid of ( g . arboreum g . bickii ) g . hirsutum and ( g . arboreum g . bickii ) g . barbadense
摘要利用（亚洲棉比克氏棉）异源四倍体和陆地棉、海岛棉有色素腺体品种以及由（亚洲棉比克氏棉）异源四倍体为母本，以陆地棉和海岛棉有色素腺体品种为父本，组配成的杂交后代群体，对植株上十一个部位色素腺体密度在群体内的分布进行了初步分析。 | | 4. | It can be concluded from the experiment results that hatchery seed has lower genetic variation and large - scale hatchery seed releasing affects the genetic diversity of the natural population . the shrimp distributed along china coast in bohai sea and yellow sea may consist of more than one populations . the viral disease resistant ability of f . chinensis is proved to be genetically inherited and can be improved by genetic selection
一通过对实验结果的进一步分析认为：中国对虾人工育苗的过程使后代群体的遗传多样性下降，人工培育苗种的大规模放流影响了自然群体的遗传多样性； ，分布于我国沿海的中国对虾可能由多个自然群体构成，还存在未被发现的种质资源：中国对虾抗wssv病毒感染是由遗传决定的，选育可提高中国对虾对wssv的抗性。 | | 5. | Sweetpotato pollens killed by u . v . didn ' t sprout ; 2 . normal pollens sprouted ; 3 . pollens of 5x mixed with recognition pollens attached and sprouted much ; 4 . in the negative - cross , sweetpotato pollens attached and sprouted much on the stigma of 5x ; 5 . in the possitive - cross without recognition pollen , 5x pollens few attached and sprouted ; 6 . in the treatment of pgr ( twice ) , globular - embryo observed on 15 days after pollination ; 7 . ovule obtained by intercross germinated on the medium ; 8 . plantlet from intercross ovule grew on the medium ; 9 . seeds obtained by opening pollination ; 10 . tubers of hybrids from 5x crossed by sweetpotatos for two generations
紫外线杀死的甘薯花粉在亲和柱头上不萌发； 2 .未经紫外线处理的甘薯花粉在柱头上正常萌发； 3 .在蒙导花粉作用下，五倍体的花粉在甘薯柱头上大量附着和萌发； 4 .反交组合甘薯花粉在五倍体柱头上大量附着和萌发； 5 .正交组合无蒙导花粉时五倍体花粉少量附着和萌发； 6 .生长调节剂二次处理后，授粉后15天所见的球形胚； 7 .杂交胚珠在培养基上萌发； 8 .杂交胚珠培养成苗； 9 .放任授粉收获的大量种子； 10 .五倍体与甘薯杂交两代产生的后代群体的结薯性。 |
- Similar Words：
- "后代鉴定" English translation, "后代渐变" English translation, "后代节点" English translation, "后代结点" English translation, "后代粒子" English translation, "后代试验数据" English translation, "后代试验效率" English translation, "后代试验选择" English translation, "后代外显率" English translation, "后代细胞" English translation
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