查询词典 plant breeding

Student need master theory andtechnique of botany, plant taxology, plant physiology, plant ecology, agrology, plant nutrition and fertilizer, agriculture aerography, forage and feed breeding, livestock thremmatology, statistics and so on.

在此基础上，尚需掌握植物学、植物分类学、植物生理学、植物生态学、土壤学、植物营养与肥料学、农业气象学、杂草与病虫害防治学、牧草饲料作物遗传育种学、家畜饲养学、田间试验设计与数理统计分析等学科的理论和技术。

According to the analysis of principle components,the breeding materials with higher plant height, mediate stem perimeter, thickerbast fiber, higher rate of bast fiber to stalk, should be selected to resolvethe conflict between quality and yield in kenaf breeding.

根据主成分分析结果，在品种选育时，应注意选择植株较高、茎粗中等、韧皮较厚、皮骨比较高和高出麻率和品质优良的材料，以协调品质与产量的矛盾。

Their activities cover crop physiology, plant nutrition, plant pathology, animal breeding, animal nutrition, agricultural development, plant resources etc.

他们的活动覆盖农作物生理学、植物营养学、植物病理学、动物饲养学、动物营养学、农业发展、植物资源等方面。

This college was founded by merge of college of crop, plant protection and gardening, and its disciplines cover crop science, plant protection, and gardening, of which crop genetic breeding, crop nursing and farming, pathology of plant, agricultural entomology and pest prevention and cure, pomology science was national key disciplines.

该学院由原作物学院、植保学院和园艺学院三个学院合并建立，学科覆盖作物学、植物保护学、园艺学三个一级学科，其中作物遗传育种学、作物栽培学与耕作学、植物病理学、农业昆虫与害虫防治学、果树学为国家重点学科该网站介绍了给学院的专业设置、师资力量和科研工作等信息。

Conventional forest breeding is constrained by its long reproductive cycle, which includes long juvenile period, and by its complex reproductive characteristics, such as self-incompatibility and a high degree of heterozygosis. Gene transformation has played an important role in woody plant improvement, which can shorten breeding period and breed varieties with high salt tolerance.

随着分子生物学技术的发展，从盐生植物中分离出抗盐基因，导入林木，获得抗盐品种；况且林木由于其较长的幼年期，常规育种有明显的局限性，而通过转基因可以在较短时间内获得高抗盐品种，缩短育种周期，因此开展林木抗盐育种具有重要的意义。

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。

In breeding practice, male gametophytic selection as a plant genetic improvement tool with many advantages such as can be shorten the breeding time limit and raise the selection efficiency.

在育种实践中，利用雄配子体选择对植物进行遗传改良，具有提高选择机率和缩短育种年限等优点。

New planted ramie often have defects of fewer efficient plant numbers, many of high-branches, difficult to peel bast, low yield, bad fiber quality and so on. Aiming at all these shortages, the cuttage breeding technology of fine varieties and high-yield and good-quality cultivating method, breeding Cutting seedling with several low-branches, planting deeply appropriately, ridging to foster rootstocks when intertilling, was brought forward.

针对苎麻新麻有效株少、高位分枝多、韧皮剥制难、原麻产量低、纤维品质差等问题，提出了培育携带多个低位分枝的扦插苗，麻苗移栽时适当深植，辅以新麻中耕时起垄培蔸的苎麻良种扦插繁殖新技术与新麻高产优质栽培方法。

First, the ecological environment,"Fung city yuan and Egg Factory" location for local products Xiao Feng Tangxiang city, regional area of 39.7 square kilometers, of which 5,400 acres of water can be breeding in the region a mild climate, sunny, fertile land , Abundant rainfall, with the duck's natural climate and material resources, is the abundance of water birds city centre and the birthplace of farming, breeding birds Gaixiang is a pillar industry. Quanxiang the end of 2002 the number reached 420,000 duck feathers, rich in water resources and full of aquatic plants, Lo shrimp resources, to provide natural green duck feed, the duck has a long history of the formation of "a row of fruit, a pool Fish, a duck shed "three-dimensional ecological farming model," Feng city yuan and egg plant "to provide fresh, high-quality source of the eggs.

&丰城市元和蛋品分厂&土产所在地为丰城市筱塘乡，区域面积39.7平方公里，其中有可养殖水面5400亩，该地区气候温和，阳光充足，土地肥沃，雨量充沛，具备了养鸭的自然气候和物质资源，是丰城市水禽养殖的发源地和中心，水禽养殖是该乡的支柱产业。2002年底全乡养鸭数已达42万羽，丰富的水面资源中，富有水草、螺虾资源，为养鸭提供天然的绿色饲料，悠久的养鸭史形成了&一排果、一池鱼、一棚鸭&生态立体养殖模式，为&丰城市元和蛋品厂&提供新鲜、优质的蛋源。

For example, relation of sand soil water content and plant leaf water potential of shrub breeding or arbor breeding in the morning can be simulated using the followed exponential function:〓 or 〓, in which, coefficient value of a and b are different on different breedings or different field.

通过在毛乌素沙地、乌兰布和沙地、库布齐沙漠、巴丹吉林沙漠等近6年的测试资料的研究分析表明：①营造固沙林后，沙土中的含水率降低，降低的程度主要受到林分密度和造林后林木生长年限的影响。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。