根插条和组织培养对于优势个体或品种繁殖是有价值的。
Propagation from root cuttings and tissue culture are valuable for reproduction of superior individuals or varieties.
细胞可以转换成用于协助繁殖项目的生殖细胞，以帮助增加濒危物种基因库里的品种。
The cells could be converted into germ cells for use in assisted breeding programmes to help diversify the gene pools of endangered species, she says.
人们曾经认为，蚂蚁培育的真菌是它们繁殖的一种单一品种，自远古时期以来基本上没有改变。
It was once thought that the fungus that ants cultivate was a single type that they had propagated, essentially unchanged from the distant past.
更新潜力丰富：大部分红树林品种定期开花结果，繁殖体随潮汐分散。
Good regeneration potential: most mangrove species flower and fruit regularly and the propagules are dispersed by tides.
那些合乎要求的品种可以通过繁殖或加速演化被进一步提高。
Those desirable traits can be further enhanced by breeding or accelerated evolution.
通过把狼和一系列品种的狗杂交就可以繁殖杂交狼，包括德国牧羊犬、秋田犬、阿拉斯加雪橇犬、哈士奇和因纽特犬。
They can be bred by crossing wolves with a range of dog breeds, including German shepherds, akitas, malamutes, huskies and inuits.
他们对丛林中四只乌鸦进行了试验研究。这四只乌鸦都是日本城市经常看见的品种，由于繁殖过快，常常看作是城市祸害。
The study involved experiments conducted on four jungle crows, the type most commonly found in Japanese cities and often regarded as an urban nuisance due to their booming population.
农民们和兴趣爱好者们选那些幸存下来的继续繁殖，不断创造出植物新品种和动物新品种，这些给了查尔斯·达尔文一个启示。
Farmers and fanciers continually created new plant and animal varieties by selecting who survived to breed, thus handing Charles Darwin an idea.
不久就繁殖出许多形状和大小都各异的西红柿新品种，并开始遍布整个前苏联。
Soon they were showing up as new varieties in many shapes and sizes and began to appear throughout the territories of the former Soviet Union.
科学家们研究过一些品种后表示牛的基因组显示出这种有选择性繁殖的迹象。
Scientists examined several breeds and say the cattle genome appears to show evidence of this selective reproduction.
然而，GM小麦的捐赠，也导致了小农经济的动荡，因为GM小麦品种不能在当地繁殖。
The donation of GM wheat, however, also led to destabilizing the small peasant economy because the GM wheat varieties could not reproduced locally.
高价兰、中价兰中的部分为群众所共同喜爱的，繁殖力强的品种也会走向热销的低价兰，以低价多售赚钱。
And Abram in high price for the part of the common people, and the strong love fertility will sell toward the varieties with low price and sold more than money.
与现在普遍的观点相反，我认为，目前，品种特性的改进不是繁殖者基于对犬类标准中完美犬型的认识。
Contrary to popular opinion, improvements in the breeds have not been the result of breeders working toward the realization of an absolute vision of perfection described in the breed standards.
并且实验达到了黑莓工厂化育苗的技术要求，为黑莓优良品种提供了快速繁殖的新技术。
The experiments correspond to factory seeding and offer new technology to excellent variety of blackberry micro-reproduction.
目前没有数据和相关文献可以表明这个品种的繁殖资料如何。
For the moment, no data regarding the breeding of this species has been observed nor found by the author in the available bibliography.
为了繁殖出这种特别吃得少，特别能下蛋，特别能抗病的“最有战斗力”的品种鸡，你需要更大的鸡群。
And to breed the most productive hens which convert their feed most efficiently into eggs and are most resistant to disease, you need large flocks.
作者就国外一些高繁殖力绵羊品种的繁殖特性以及相关主效基因的发现、遗传效应、定位等研究进展作一综述。
This review introduced reproductive characteristics of some high prolific sheep breeds abroad and the discovery, genetic effect, chromosome mapping of relevant major genes in these sheep breeds.
详细介绍了波尔山羊的起源、分布、品种特性、生长发育、生产性能、繁殖性能、利用途径、适应性、抗病力及饲养条件等。
The origin, distribution, variety characters, production trait, fertility, utilization, adaptability, disease resistance, and feeding conditions of Boer goat were introduced.
以常规大蒜栽培品种为试材，B5为基本培养基，研究了利用脱毒大蒜萌生幼苗的离体繁殖技术。
In vitro propagation of garlic was studied by using regular varieties as material and B5 as the basal medium.
首先要抉择的是你要繁殖哪个品种以及繁殖的方式。
The first choice to be made is what species you intend to breed and by what method of propagation.
在某些地方，鱼类的许多重要品种已被过度捕捞，而在其他地方却仍然繁殖旺盛。
Many key species have been overfished in some locations but still have thriving populations elsewhere.
繁殖力与海拔高度和茶树品种密切相关。
Its reproductive potential was closely related to altitude and varieties of tea.
作为一种以无性繁殖为主的作物，芋在世界各国的研究相对较少，特别是在品种资源、遗传进化方面。
Because taro is a kind of vegetatively propagated crop, few extensive studies on taro have been conducted, especially in genetic resources and phylogeny.
尽管如此，科学家们还是无法有效地使这个品种幸存下来，因为微型繁殖和营养方法并没有取得预期的效果。
In spite of that, scientists are unable to effectively make this variety survive as micro-propagation and vegetative means have not yielded the desired result.
利用这种保持系繁殖的新不育系M_A，仍具备隐性核不育的特点，所有陆地棉和海岛棉品种均是其恢复系。
The new sterile line M_A bred with the maintainer line still has the character of recessive nuclear sterility and both G. hirsutum and G. barbadense varieties are its restorers.
利用这种保持系繁殖的新不育系M_A，仍具备隐性核不育的特点，所有陆地棉和海岛棉品种均是其恢复系。
The new sterile line M_A bred with the maintainer line still has the character of recessive nuclear sterility and both G. hirsutum and G. barbadense varieties are its restorers.
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