您要查找的是不是:
- Breeding for pest resistance 抗病虫害育种
- Control methods used for pest, disease, mouse? 过去三年,如何防治采集区内病虫鼠害的?
- There is adequate variability in plants to breed for resistance to certain aphid vectors. 植物有充分的变异性可用于培育对一些蚜虫介体的抗性。
- These goats are specially bred for their wool. 这些山羊是专为剪取羊毛而饲养的。
- During breeding for vertical resistance, horizontal resistance tends to decline because of negative selection pressure. 当培育垂直抗性时,由于负的选择压力,水平抗性趋于下降。
- The rabbits are bred for their long coats. 饲养兔子是为了获取他们的长毛。
- To improve the quality of(livestock) by selective breeding for desired characteristics. 改善品质,改良品种通过为得到所希望的特征而进行的有选择的交配而改善(牲畜)的品质
- Millions of pigeons are bred for racing purposes. 数以百万计的鸽子都是职业赛鸽。
- Bred for unusual qualities or special points. 特别培育的为不一般的质量和某一特殊特点而被饲养的
- This paper briefly reviews recent progresses in the strategies and mechanism of genetic engineering breeding for plant viral resistance. 本文简要地介绍了近年来植物抗病毒基因工程育种策略及其机制的研究进展。
- It was originally bred for bullbaiting. 最早喂养它们是为玩嗾狗逗牛戏。
- Cotton Pest Research Group. Institute of Plant Protection of Chinese Academy of Agricultural Sciences, eds. Cotton pest resistance to insecticides and control methods. Beijing: Science Popularization Press, 1993. 中国农业科学院植物保护研究所棉花害虫研究组。棉花害虫的抗药性与防治技术。北京:科学普及出版社,1993。
- Vitro culture technique is a useful method to quick breeding for Aloe,which can provide market with planty of nuseries. 通过对几种不同品种芦荟离体快繁技术研究,结果表明:利用盆栽大苗的顶芽或小侧芽,采用适当消毒措施,均能建立无菌系。
- In this paper, the aim of breeding for sugarcane mosaic disease resistance and the control strategies for sugarcane mosaic disease were put forward. 文中提出云南省今后甘蔗抗病育种目标和甘蔗花叶病的控制对策。
- The International Plant Protection Convention describes the responsibility of member government for pest surveillance and reporting. 国际植物保护公约组织写入了成员国政府进行有害生物监测和通报的职责。
- If this is the breed for you, you may want to consider having two to keep each other company. 如果你想养一只这个品系的狗,你应该考虑养两只让他们相互陪伴。
- Prevent pest infestation proper storage of food, proper disposal of rubbish, be aware of signs of pest infestation and arrange for pest disinfestations where necessary. 防治虫鼠妥善地存放食物及适当地处理垃圾,留意是否有虫鼠滋生的迹象,当有需要时,安排消灭虫鼠的工作。
- The authorsargue that, unlike GM rice, ecological engineering does not undermine the independence of farmers in developing countries by relying on big business for pest control. 作者们认为,与转基因水稻不同,生态工程不会让发展中国家的农民依赖大企业控制害虫从而损害其独立性。
- The modern laying strains are bred for high egg production. 近代产蛋品系的培育,目的是为了高产蛋量。
- Good weathering resistance. High temperature resistant,low temperature resistant, net easy to distort and jackknifing.alkailproof and acid proof ,corrosion resistance,and insect pest resistance. 耐候性好:耐高、低温,不易变形及折裂,耐酸耐碱,防腐蚀,防虫害。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries