查询词典 breeding-fire

Polyploid breeding is very important for flower breeding.

多倍体育种在花卉育种具有重要意义。

Polyploid breeding has became a most important method and it has been also extensively applied in new flora species breeding.

我国有着丰富的报春花属植物资源，但是许多野生种尚未被引种栽培，使其在山野中自生自灭。

Potato breeding for late blight resistance was one of the earliest practices mankind used to combat plant pathogens by means of genetic improvement, but the disease has not been controlled by resistance breeding so far.

马铃薯抗晚疫病育种是通过遗传操作来抵抗植物病害的最早的人类实践之一，但至今收效甚微，从野生种导入的抗病基因在田间很容易失效。

At present,the breeding should be established in the selecting breeding and obtain pure line to keep the stable inheritance of economic traits.

随着栽培经验的积累和科学技术的发展，紫菜的遗传育种已从最初的选择性育种发展到利用基因工程技术进行遗传性状的改造，并建立纯系使经济性状能够稳定遗传。

This research according to the problems of new variety breeding and new variety spreading existed in domestic, aims at breeding a new sweet pea variety with the characteristic of good quality and high yield, fit for eat raw spend and quick-freeze processing, and establishes the technology system of the new variety spreading.

本研究针对国内甜豌豆新品种的选育及推广所存在的问题，旨在选育一个优质高产、鲜食加工兼用的菜用甜豌豆新品种，并对新品种推广的技术体系进行探索研究。

The company has built fiveseed market, Rex Rabbit breeding three games, two meat rabbit breeding field, fineyears to cultivate more than 30,000 only, and in Shanxi, Gansu and other places to build a base there is rabbitry.

本公司建有种兔良种场五个，獭兔良种场三个，肉兔良种场两个，年培育优良种兔三万多只，并在山西、甘肃等地建有养兔基地。

With support from the party committee and government of the region and MOA of China, Ningxia has been seeking to regionalize and industrialize the industryand promote large-scale breeding. Ningxia government has been implementing the Action Plan to Develop Dairy Industry in Ningxia (2002-2005) and the Action Plan to Improve Cattle Quality and Efficiency in Ningxia (2007-2010). By improving varieties, processing procedures, quality supervision and feed production,the dairy industry of Ningxia has entered into a new area marked by rapid development both in terms of quantity and quality. Dairy industry has become a pillar industry with high level of industrialization, large-scale breeding and good structure that plays a significant role in increasing farmers' income.

特别是在自治区党委、政府的高度重视和农业部的大力支持下，我区坚持区域化布局、规模化养殖、产业化经营的发展思路，组织实施了《宁夏奶业发展行动计划（2002-2005）》和《宁夏奶牛提质增效行动计划（2007-2010）》，通过采取奶牛品种改良、乳品加工、质量监管和优质饲草生产等措施，使我区奶产业进入了一个数量质量同步发展的新阶段，奶产业已成为我区产业化程度较高、饲养规模较大、农业结构优化和带动农民增收较强的支柱产业。

Based on the established GIS of the Oncomcelania Snails' distribution in Dongting Lake, the author analyzes the environmental condition of the Oncomcelania Snails' habitates comprehensively by the spatial analyzing technology. The results are as following: firstly, the predominant vegetation of Oncomcelania Snails habitat is reed and sedgy. The habitats with reed has a higher livability than with sedgy as dominating vegetation. However, the diffusion of Oncomcelania Snails is much serious in the habitats with sedgy. Secondly ,the predominant soil type of the Oncomcelania Snails breeding area is temporary submergic paddy soils, which is in weak acidity environment, of that PH value is 5.5--7.5, and the organic content is in 2---3%. Thirdly, the 80 percent of the Oncomcelania Snails breeding area, the normalized difference vegetation index of that is in 0.100-0.375%, and the soil humidity of that is in 0.202—0.507, and the distance to the water of that is in 10-230 meters.

在已建立的洞庭湖区江滩钉螺分布地理信息系统的基础上，运用GIS空间分析技术，对钉螺孳生地的环境状况作了比较全面的分析，发现洞庭湖区江滩钉螺孳生地植被类型主要为芦苇和莎草类，钉螺在莎草地带中的存活率高于芦苇地带，而钉螺感染情况最严重的在芦苇地带中；孳生地的土壤类型主要为潴育性水稻土；孳生地土壤PH值处于5.5-7.5之间的弱酸性环境，有机质含量处于2-3%之间；80%孳生地的植被标化指数在0.100-0.375之间、土壤湿度在0.202-0.507之间、近水源距离为10-230之间。

The study, which aimed at 100 heads of breeding cattle marketed per annual and which object was the grazing for the flock of shorthorn beef cattle on sown pasture in the ZYCBC system, indicated that by making full use of pasture growth quantity and nutrient substance on sown pasture and supplementing mixed concentrate in late of breeding cow pregnancy, the number of beef cattle grazed in the while year had get to 375 heads, for the forage was budgeted and dynamic balance between the forage and beef cattle was gained and kept. It needed 642. 67t DM of forage annually in the system, 764t DM of which was provided by the sown pasture and 339t DM of which by forage crop land.

以ZYCBC系统短角肉牛群人工草地放牧饲养为对象，以年出栏100头种牛为目标，进行饲草预算和草畜动态平衡，充分利用人工草地的牧草生长量和营养物质，母牛怀孕后期适当补饲混合精料，全年牛群饲养量达375头，系统全年共需饲草642.67tDM，其中人工草地提供764tDM，饲料地提供339tDM。

The results indicated that a great progress for Fususium wilt resistance breeding had been achieved, but progress for Verticillium wilt resistance breeding was slow.

结果显示，抗枯萎病育种成效显著，品种对枯萎病抗性呈稳步上升趋势；品种对黄萎病抗性亦呈上升趋势，但进展缓慢。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。