1)weediness[英]['wi:dinis][美]['wid?n?s]杂草性
1.【Objective】 To assess the potential ecological risk for weediness of transgenic soybean 40-3-2,which was introduced as production raw material for edible oil,and to verify the operation of clauses for weediness assessment of transgenic soybean in China.试验证实了转基因大豆环境安全评价标准的杂草性条款具有可操作性。
英文短句/例句
1.weedy plant having short dry chafflike leaves.一种杂草性植物，秣状叶短而干。
2.eliminating ill weeds消灭危害性大的杂草
3.Cloransulam-methyl 84%WG Controlling Destructive Weeds in Soybean Field84%氯酯磺草胺WG防除大豆田恶性杂草
4.Biological characteristics of several lawn weeds in southern China and experimental observations on their stress tolerance几种南方主要草坪杂草生物学特性及抗逆性
5.a selective weed-killer,ie one that kills weeds but not other plants选择性除草剂（专除杂草而不伤及其他植物的）.
6.Resistance of weeds to certain herbicides is beginning toshow up.杂草对某些除草剂的抗药性已显现出来。
7.Efficacy trial of Cyanaxine 50% WP for Control of Weeds in Corn Field50%氰草津可湿性粉剂防除夏玉米田杂草试验
8.Study on Ecology of Weed Community in Wheat Fields and Biology Characteristics of Beckmannia Syzigachne;麦田杂草群落生态学与菵草生物学特性的研究
9.Allelopathic Herbicidal Activity and Their Mechanism of Common Weeds;常见杂草化感除草活性及其作用机理研究
10.The Study on Fertility Restoration of the Hybrid F_1 between Leymus Chinensis and Leymus Cinereus羊草与灰色赖草杂种F_1育性恢复的研究
11.Characteristics of Weed Community of Mixed Cropping Annual Artificial Grassland1年生人工混播草地杂草群落特性研究
12.Study on the Weed Control and Safety of 15% Clodinafop-propargyl WP in Wheat Field15%炔草酯WP防除小麦田杂草及安全性研究
13.Effects of Chinese Herbs Extracts on Chicken's Production Performance中草药提取物“益绿素”对草杂鸡生长性能的影响
14.Effect of Chinese Herb Extracts on Chickens' Performance中草药提取物对草杂鸡生产性能的影响
15.Studies on Enrichment to Pb and Its Tolerance Mechanism of Farmland Weeds;农田杂草对铅的富集和耐性机制研究
16.The characteristic analysis on the relative aluminum tolerance for nine varieties of Gramineae and Compositae9种杂草植物相对铝耐性的特征分析
17.A strong, nonpersistent, yellow, crystalline herbicide, C12H12Br2N2, used to control water weeds.杀草快一种强力非持久性、黄色、晶状除草剂C12H12Br2N2，用于控制水生杂草
18.Genetic Characters and Fertility Restoration of the Hybrid between Leymus Chinensis and Leymus Cinereus;羊草与灰色赖草杂交后代遗传学特性及育性恢复的研究
相关短句/例句
resistant weeds抗性杂草
1.Through weeds invertigation, the paper has discussed the trends of the population evolution of the resistant weeds and reason.通过杂草调查,论述了三江地区大豆田抗性杂草种群演变的趋势及原因,并对防除抗性杂草的有效药剂进行了大面积试验示范,为消灭大豆田抗性杂草提出理论依据。
3)weed[英][wi:d][美][wid]恶性杂草
1.Evaluation of 13 herbicides on control of weed Cyperus rotundus L. in sugarcane field;13种除草剂对甘蔗田恶性杂草香附子的防除效果试验及评价
4)quarantine weeds检疫性杂草
1.For obtain the 1000 kernel weight data of quarantine weeds,Through inspecting weeds from 17ships of import grains in 15 months,seven species of quarantine weeds were intercepted.为了对截获的检疫性杂草作千粒重的测定,科学提供这些检疫性杂草的千粒重数据。
5)Naturalized weed外来性杂草
6)weed resistance杂草抗药性
1.It is very important and necessary to confirm flixweed resistance and its mechanism to tribenuron-methyl in order to control flixweed effectively and use tribenuron-methyl in a scientific, rational way and to prolong the lifespan of tribenuron-methyl in practice.随着化学除草剂的大面积使用,农田杂草抗药性问题越来越严重。
延伸阅读
茶树抗性育种茶树抗性育种resistance breeding of tea plant 茶树抗性育种(resistanee breeding(，ftea plant)一种以选育杭性强的茶树新品种为主要目标的育种方法，包括抗病、杭虫以及抗早、杭寒等不利于茶树正常生长的外界因子的抵抗能力。中l月北方茶区里季多低湿干旱，冬季多低沮严寒，这个地区的茶树选种不仅要求优质高产，还必须有较好的耐旱和抗寒能力:中国南方茶区气候沮吸很润，利于某些病虫发生.所以在南部茶区必须l视茶树抗病和杭虫能力的育种。无沦南北茶区，都要咬视免疫品种的选育。 茶树抗性育种要从以下几个方面扮手:声“‘泛搜集国内外的抗源品种和野生种，建立抗病虫的种质库.利用现代化的人工气候，加速进行病虫人工诱发和鉴定:寻求茶树本身能抑制病虫生长的化学物质，并加以棋拟仿制;研究人工免疫和人造抗病性的技术等。但杭性与某些经济性状间存在着连锁关系.在育种目标日益全面要求下.在利用新类型亲本和新抗源时，必须密切注意它们带来的不良性状.打破抗性与不良性状的连锁.才能获得理想的结果。以西维时)
