查询词典 cross breeding

Euler early after the sheep and Tibetan wild argali sheep constantly cross-breeding of the skin after the formation of a combination of high-quality goat type species, with strong disease resistance, cold resistance, fitness, and growth and development of fast, high-volume production of meat, fresh meat No smell of mutton taste, commodity rates, operation agility, teamwork and strong resistance, feeding coarse, easily bred and hides, and skin thickness, strong, flexible, and strong features such as heat, is the best skin products market.

欧拉羊是早期经过野生盘羊和藏系羊不断杂交，繁育后形成的皮肉兼用型优质羊种，具有抗病力强，耐高寒，体格大，生长发育快、产肉量高、肉质鲜嫩无膻味，商品率高，行动敏捷，合群性强，耐粗饲、易饲养及皮张大，皮板厚，结实、柔韧性好、保暖性强等特点，是皮肉市场中的上乘品。2005年在首届青海高原特色农畜产品展示会上被评为优质畜种。

Its contents are as follow: A description for the characteristics of Agropyron elongatum and its genome; the methods used to overcome the cross-sterility and hybrid sterility; the cross breeding procedure and the genetic analysis for it; the selected hybrids which are the Triticum-Agropyron octoploid species, the alien addition lines, the alien substitution lin...

内容介绍了长穗偃麦草的特性和染色体组型，克服杂交不育和杂种不育的方法，杂交育种的程序及其遗传分析和选出的小偃麦八倍体种、异附加系、异代换系与丰产抗病的小偃麦新品种。

In terms of raising theoretical reference, techniques of cross breeding ,selection of new cultivars in Gerbera jamesonii have been preliminary studied .

本文在花器发育、授粉生物学、杂交技术、优良品系选育等方面进行了一些研究，同时进行了部分性状分离变异规律的初探，以期为杂交育种工作提供参考。

So,the genetic distance could be used for the choice ofparents and for the heterosis prediction in cross breeding of Liriodendron.

因此，花粉品质、杂交亲和力和一般配合力应作为亲本选配的重要依据；基于RAPD标记的亲本间遗传距离与子代1年生苗高和地径生长量均表现为二次曲线相关，复相关系数分别为0.8235和0.5090，达极显著(H，P＜0.01)和显著(GLD，P＜0.05)程度，说明利用亲本间遗传距离进行鹅掌楸亲本选配和杂种优势预测是可行的。

For that, thank the cross-breeding of Marconi's radio and the microprocessor.

这要归功于微处理器和马可尼的无线电的结合。

The advances and existing problems concerning in genetics especially on the sex-inheritance and tolerance to papaya ring spot virus, the genetic improvement (cross breeding, mutation breeding, introduction breeding, culture in vitro, molecular marker assistant selection and bioengineering) on papaya are reviewed; especially on the sex-inheritance, distant hybridization and embryo culture, and breeding for disease resistance to PRSV with gene engineering are discussed in detail.

就番木瓜的株性和抗病性等性状遗传、杂交育种、人工诱变育种、离体培养、分子标记及基因工程育种等现代生物新技术育种方面的研究进展及相关问题进行了评述，重点综述了番木瓜株性遗传、远缘杂交与胚胎学、基因工程在抗环斑型花叶病毒病品种培育及分子标记辅助选择育种应用的研究进展，并分析了今后番木瓜育种的发展趋势。

Their biological makeup was close enough to humanity that many Theelin bloodlines were continued through cross-breeding with human and near-human species.

希林人的生理结构跟人类很接近，因此很多希林人通过与人类或类人种族杂交来传宗接代。

Distant cross-breeding of tree peony is the main means of cultivar improvement at present and for quite a long time in the future, however, long breeding period and cross abortion are the two main obstacles for obtaining new cultivars effectively.

远缘杂交育种是目前及今后相当长的一段时间内牡丹育种的主要方式，但育种周期长与杂交败育是影响其发展的瓶颈。

Key words: ornamental plants and horticulture; molecular breeding; transgenic chrysanthemum; genetic stability; cross breeding; chalcone synthase gene

关键 词：园林植物与观赏园艺；分子育种；转基因菊花；遗传稳定性；杂交育种；查尔酮合成酶基因

In laboratory,"Pearl oyster breeding scheme, POBs" assumes populations of Indian and Sanya as the basic groups to nurture specialized lines, and then constructs cross lines by making use of heterosis and eventually bring out new varieties of P.martensii.

在我们实验室的&珍珠贝育种规划(Pearl oyster breeding scheme， POBs)&，就是以印度种群和三亚种群作为基础群，分别培育专门化品系，利用杂种优势，构建杂交配套系，最终育成马氏珠母贝新品种。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。