查询词典 crops

So herbicide-resistant EPSPs gene could be used as selective marker in the transformation of monocotyledon cereal crops,such as wheat.

首次用实验证明，抗除草剂草甘膦的EPSPs基因作为单子叶禾谷类作物小麦基因转化的选择标记是行之有效的。

22 Of 22 pairs EST-SSR primers from Chinese cabbage/rape respectively had amplification products in soybean,wheat and maize,the rate of amplification was 81.8%,95.4%,100%,respectively;10 of 22 pairs EST-SSR primers showed polymorphism in monocotyledons wheat and maize,13 in dicotyledons oilseed rape and soybean,7 in both monocotyledonous and dicotyledonous crops.

（1）30对小麦EST-SSR引物中，有29，28和26对引物分别在玉米、油菜和大豆中有扩增产物，可扩增率分别为96.7%，93.3%和86.7%；其中分别有12对和9对引物在单子叶作物小麦和玉米及双子叶作物大豆和油菜中的扩增产物显示多态性，有4对引物在4种作物中的扩增产物均显示多态性。

This study investigated the transferability of EST-SSR primers and markers between monocotyledonous and dicotyledonous crops.

柴呈森 西北农林科技大学生命科学学院，陕西杨凌 712100姜蔚西北农林科技大学生命科学学院，陕西杨凌 712100

(1)29,28,26 of 30 pairs of EST-SSR primers from wheat respectively had amplification products in maize,oilseed rape and soybean,the rate of amplification was 96.7%,93.3%,86.7%,respectively;12 of 30 pairs EST-SSR primers from wheat showed polymorphism in monocotyledons wheat and maize,9 in dicotyledons oilseed rape and soybean,and 4 in both monocotyledonous and dicotyledonous crops.

基金项目：国家生命科学与技术人才培养基地科技创新基金项目(2007088)；国家油菜产业化项目科学家岗位"化杀岗位"（nycytx-00505）；国家自然科学基金项目(30871578)中文摘要：探讨单、双子叶作物间EST-SSR引物和标记的通用性。选取30对小麦、8对油菜和14对白菜的EST-SSR引物，分别以10个小麦、10个油菜、5个大豆品种和5个玉米自交系的基因组DNA为模板，进行PCR扩增及扩增产物的多态性分析。

The FLP/frt sitespecific recombination system fitting for monocotyledonous crops was constructed to breed the markerfree transgenic monocotyledons with high tolerance to salt and drought.

为培育去除选择标记基因的抗盐耐旱单子叶转基因植物，构建了适合于单子叶植物的FLP/frt位点特异性重组系统。

"It's not just about monoculture of farms, where one farm grows only one crop, it's also monoculture within those crops and within fields," he said.

他说："这不仅仅是农庄种植同质化，即一个农场种植只种植一种农作物，这也是农作物和地区性的种植同质化。"

Multiple cropping; multicroppingGrowing two or more crops in the same year on the same field.

在同一地块上，一年种植两茬种或两茬以上作物的耕作方式。

Like many of the new crops, this system of multiple cropping seems to have reached the Islamic world from India, where it had long been practised.

像许多的新作物一样，这种多熟制好像是从印度传入伊斯兰世界，在印度多熟种植由来已久。

To study the area crop distribution and the plan disposition analysis indicated that in 21.99 hm2 type area total cultivated area,the current planters beet,the naked oat,the potato,reached the proportion which occupies with the corn and the red kidney bean five crops respectively was 32.93%,36.88%,5.39%,5.61%and 19.19%;Choosed the region symbolic soil fertility target 0～10 cm surface layer soil the physical property clay content to carry on the farmland regionalization altogether to divide into 4 levels:The 1st level, soil physical property clay content＞30%;The 2nd level,25～30%;The 3rd level,20～25%; The 4th level,＜20%.,Showed that the plots 1～4 the proportion of cultivated land were 3.32 percent and 26.39 percent,32.16 percent and 38.13 percent.

对研究区作物分布与规划配置分析表明，在21.99hm~2样区总耕地面积中，当前种植的甜菜、莜麦、马铃薯、饲用玉米和红芸豆五种作物所占的比重分别为32.93%、36.88%、5.39%、5.61%和19.19%；选择区域标志性土壤肥力指标0～10cm表层土壤的物理性粘粒含量进行农田区划共分为4级：第1级，土壤物理性粘粒含量＞30%；第2级，25～30%；第3级，20～25%：第4级，＜20%。，表明该样区1到4级耕地所占的比重分别为3.32%、26.39%、32.16%和38.13%。

The colleges three divisions are organized into 21 departments. Agricultural Sciences Departments, Environmental Sciences Departments, Human Sciences Departments, Agronomy and Range Science, Animal Science, Biological and Agricultural Engineering, Entomology, Environmental Horticulture, Nematology, Plant Pathology, Pomology, Vegetable Crops, Viticulture and Ecology, Environmental Science and Policy, Environmental Toxicology, Landscape Architecture, Land, Air and Water Resources, Wildlife, Fish and Conservation Biology, Agricultural and Resource Economics, Environmental Design, Food Science and Technology, Human and Community Development, Nutrition, Textiles and Clothing.

该学院由三部分共 21个系组成，农业科学部包括环境科学系、人类科学系、农学系、动物科学系、生物和农业工程学系、昆虫学系、环境园艺系、线虫学系、植物病理系、果实栽培学系、蔬菜农作物系、葡萄栽培和葡萄酒酿造学系、环境科学和政策系、环境毒理学系、景区建筑学系、土地空气和水资源系、野生植物系、鱼类保护生物学系、农业和资源经济学、环境设计系、食品科学和技术系、人类和社区发展系、营养系等。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。