Genetic resistance is the most economical, preferabal and safety method of reducing yield losses due to leaf rust.
培育和利用抗病品种是减轻叶锈病危害的最经济、有效、安全的方法。
Genetic resistance to leaf rust can be most fully utilized by knowledge of the identity of resistance genes in master resistance resources and release cultivars.
而要充分利用对叶锈病的遗传抗性,则必须首先要了解和掌握主要抗源材料和推广品种中的抗性基因。
In November, German haematologist Gero Huetter announced that he had cured a man of HIV through a bone marrow transplant from a donor who had a genetic resistance to the virus.
11月,德国血液学家吉罗·胡特(GeroHuetter)宣布,他已成功治愈了一名HIV患者,使用的方法就是给他移植具有遗传抵抗HIV病毒的人的骨髓。
The mechanism also explains why genetic resistance to malaria has spread among Africans — who live where disease-carrying mosquitoes are prevalent — but not among Europeans or Asians.
这个机制也说明了为什么抗疟疾的基因在非洲人中普遍存在,他们住在那些带病原的蚊子肆虐的地方。但在欧洲和亚洲人中就没有这种基因。
Scientists have made genetic modifications to cotton to increase its resistance to insect pests.
科学家对棉花进行了基因改造,以增强其对害虫的抵抗力。
Because of their tremendous breeding potential and genetic diversity, many pests are known to withstand synthetic chemicals and bear offspring with a built-in resistance to pesticides.
由于害虫有巨大的繁殖潜力和基因多样性,许多害虫被认为能够抵抗合成化学物质,而且生育的后代对杀虫剂具有内在的抵抗力。
Then we can really start to look at the genetic variation within the species and gain insight into some of the genes involved in drug resistance or virulence.
然后我们才能真正地开始寻找该物种的种内遗传变异,并获得和耐药性或毒力有关的一些基因的信息。
The most common bacteria found was Staphylococcus aureus, which showed genetic differences and varying levels of drug resistance based on the type of meat it was found in.
发现的最常见的细菌是金黄色葡萄球菌,它表现出遗传差异和各种水平的抗药性,这些抗药性都是在金黄色葡萄球菌被发现的肉的基础上演变而来的。
Genetic mechanisms for chemical resistance in wild species are known for some invertebrates, such as bugs.
斯蒂门还说,在野生动物中,已知具有抗化学毒性遗传机制的是某些无脊椎动物,如昆虫。
However, some individuals have a trait-like resistance to sleep loss that appears to be rooted in genetic differences.
然后,有些人对睡眠不足有很强的抗拒能力,这可能是个体间遗传物质的不同引起的。
Researchers analysed DNA samples from populations across Europe, Asia and Africa and compared rates of genetic disease resistance with urban history.
研究人员分析了整个欧洲、亚洲、和非洲人口的DNA样本,把基因抗病性的几率和城市的历史长度作以比较。
Persistent bugs are different from those that develop antibiotic resistance through genetic mutations, but may be just as much of a problem.
这类持续存在的病原体虽然其本质不同于那些通过基因突变而产生抗药性的病原体,但是它们的存在都是不小的问题。
Mice are not men (though the similarity is closer than many would like to think), and a genetic knockout is not the same as naturally acquired insulin resistance.
老鼠并不是人(虽然两者间的相似度比很多人想象的要高),基因剔除是不同于自然获得抗胰岛素性。
While the genetic analysis is encouraging news for the fungal resistance of British ash, it may have a downside, too.
虽然遗传分析在英国白蜡树的真菌抗性上带来了令人鼓舞的消息,但它也可能意味着一个弱点。
Countries can import animals and genetic material to improve efficiency of production and resistance against disease.
各国可以进口动物和基因物质来改进生产效率和阻止疾病的发生。
Results indicated that leaf blast and neck blast resistance were involved in different genetic controls.
结果表明,叶瘟和穗瘟抗性遗传控制机制存在明显差异。
In this study, genetic analysis of a wild emmer wheat accession 21449 was carried out, and one recessive resistance gene in 21449 was mapped with microsatellite markers.
本研究对野生二粒小麦21449中的白粉病抗性进行了遗传分析并定位了所携带的一个隐性抗白粉病基因。
DNA that is capable of moving to a new position within the same or another chromosome, plasmid, or cell and thereby transferring genetic properties such as resistance to antibiotics.
转位子一种脱氧核糖核酸片断,它能够移到同一个或另一个染色体、质体或细胞上的新位置,并转录各种基因的特性,如对抗菌体的抵抗力。
Chitinases are one of hot points in plant genetic engineers of fungal resistance.
几丁质酶是植物抗真菌基因工程的热点之一。
Genetic studies on rice resistance to sheath blight were slow in that ideal resistant resources and effective method to identify resistance to rice sheath blight were short.
由于缺乏理想的抗源、有效的鉴定方法,致使水稻纹枯病抗性遗传研究相对滞后。
Advances on research of maize ear rot were reviewed in this paper, which include pathogens, occurrence pattern of ear rots, genetic relations of resistance and identification of resistant resources.
本文系统地介绍了近年来有关玉米穗粒腐病的研究进展,主要包括玉米穗粒腐病的病原菌、发生规律、抗性遗传关系及抗病资源鉴定、筛选等方面的研究概况。
Genetic algorithms are used to optimize ship form parameters to get minimum resistance planing boat hull form.
利用遗传算法建立的船型参数优化方法,能够得到设计范围内的最优解,使设计的滑行艇阻力最小。
It is important for the reasonable using of resistance cultivars to know about the constitutes of resistance genes and genetic characters of wheat cultivar and germplasm.
因此,逐步搞清我国小麦生产品种以及重要抗原材料的抗病基因组成及其遗传特点是合理利用抗病品种的基础。
This paper recounted the genetic mechanism of disease resistance and the progress of single gene and polygene hereditary diseases. The probable way in resistance disease breeding has been approached.
本文从抗病遗传机制出发,叙述了单基因与多基因遗传病研究进展,探讨了抗病育种的可能途径。
Plant genetic engineering provides a new way for tomato's CMV resistance breeding.
植物基因工程为番茄抗黄瓜花叶病毒病育种开辟了新的途径。
In previous work, the U. s. researchers identified both physiological and genetic links between insulin resistance and liver enzymes.
在之前的工作中,美国研究人员确认了胰岛素抵抗和肝酶之间的生理及基因联系。
The integron located on mobile genetic elements was found to be an important factor that results in the horizontal transfer of the resistance genes between bacteria.
可移动遗传元件整合子被认为是导致耐药基因在细菌间水平转移的重要原因。
Analysis on strip rust resistance and genetic property of wheat new germplasm——WT212 with strip rust resestance was carried out.
对普通小麦抗条锈新种质——WT212的抗锈性及遗传学特性进行了分析。
The principle, targeting genes, transformation methods and view of application prospect of plant disease resistance genetic engineering were summarized.
该文就植物抗病基因工程的原理、目的基因、转化方法等进行综述,并对植物抗病基因工程的应用前景做了展望。
The principle, targeting genes, transformation methods and view of application prospect of plant disease resistance genetic engineering were summarized.
该文就植物抗病基因工程的原理、目的基因、转化方法等进行综述,并对植物抗病基因工程的应用前景做了展望。
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