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herbicides
相关语句
  除草剂
    Effect of Herbicides on Ammonifying Bacteria and Actinomycetes and Their Control in Paddy Field
    稻田除草剂对土壤氨化细菌和放线菌的影响及其调控
短句来源
    Influence of Herbicides on Microbial Biomass and Nitrogen Mineralization in Soils
    除草剂对土壤微生物生物量和氮矿化的影响(英文)
短句来源
    IMPACT OF HERBICIDES ON INFECTION AND HYPHAL ENZYME ACTIVITY OF AM FUNGUS
    几种玉米大田除草剂对AM真菌侵染及其酶活性的影响
短句来源
    Studies on Relationship between Glutathione S-Transferaese and Tolerance to Herbicides in Gramineal Crops
    禾谷类作物谷胱甘肽转移酶与除草剂抗性相关性的研究
短句来源
    Recently, with advanced acknowledge in the GST-catalyzed GSH conjugation for detoxifying some herbicides, more efforts are needed to do some researches on it.
    在相关研究的基础上,本试验试图进一步研究应用除草剂对作物作不同处理,几种禾本科作物体内GST活性和GSH含量的变化情况,以及与作物对除草剂抗性的相关关系。
短句来源
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  “herbicides”译为未确定词的双语例句
    Studies on Effect of Three Amides Herbicides and Its Mixture with Urea
    尿素分别与三种酰胺类除草剂混用效果研究
短句来源
    According to the synergistic effects of weed control and the inhibited availability to ammonifying becteria and actinomycetes while herbicides were used with urea mixture, that has formulated a wettable powder of butachlor+londax and a granular of butachlor + londax + urea.
    酰胺类除草剂丁草胺(butachlor)+尿素混剂在无芒稗(Echinochloa crusgalli(L.)Beauv.var mitis(Pursh)Petern)萌芽期使用对无芒稗主根长度抑制率显著高于丁草胺单用。
短句来源
    GST activities were highly related with to their tolerance against atrazine. But GSH levels had definitely low correlative rate with their tolerance against herbicides.
    阿特拉津处理,作物GST活性水平与其对阿特拉津的抗性水平高度相关,作物GSH含量水平与作物对阿特拉津抗性水平相关程度低。
短句来源
    Great tendency of agricultural sustainable development, putting forward Precision Agriculture concept and viewpoint in save time, high efficiency and economy, require reasonably scientific application of mixture of herbicides and other agricultural chemicals including artificial fertilizer, minor element fertilizer and so on.
    农业可持续发展的大趋势及精确农业概念的提出和从省时、高效、经济的观点,要求农药和其他农用化学品包括化肥、微量元素肥料等尽可能科学合理地混合使用。
短句来源
    This paper represents in the combining technique of sowing time varieties allocation, spraying herbicides , rhizobium inoculation, and nitrogen fertilizer application for pea within the cropping system of pea
    对粮、经、肥型复种方式“豌豆-稻-稻”5项关键配套技术试验结果表明:“豌豆-稻-稻”复种方式有着显著的增产、增收、培肥地力的优势,但“豌豆-稻-稻”连作对冬种豌豆生长发育和产量有影响,冬种豌豆氮肥利用率也偏低。
短句来源
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  herbicides
2-C-methylerythritol phosphate pathway of isoprenoid biosynthesis as a target in identifying new antibiotics, herbicides, and im
      
MEP-pathway of isoprenoid biosynthesis is a promising target in identifying new herbicides, immunomodulators, and other physiologically active compounds.
      
This process was considerably stimulated by illumination and suppressed by the herbicides DCMU (an inhibitor of the electron transfer between quinones QA and QB in PS II) and methyl viologen (an electron acceptor from PS I).
      
Optimizing Separation Conditions for Chlorophenoxycarboxylic Acid Herbicides in Natural and Potable Water Using Capillary Zone E
      
Chlorophenoxycarboxylic acid herbicides were separated and determined by capillary electrophoresis.
      
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This paper summarized the application of biological to prolecting soil,preventing from the pollution of environment.controlling the insect improving the quality of water and increasing the productivity of land. Soil erosion can decrcasse through quick coverage and fixing -Nitrogen of biological technique.and the improrement of water quality is through the decrease of the amount of herbicide and insecticide.

根据10余年来生物技术在保护土壤,解决环境污染,防治病虫害,提高土地生产力和保护水土资源等方面的应用情况,探讨了生物技术在水土保持方面的应用前景.

That the orchard groundcover managements affect soil erosion and properties, water, nutrient, temperature, fruit yield and quality, pest and disease and environmental ecology etc are analyzed and scored. The scored ranking of the seven orchard floor management systems and their favorable effects (from most to least) is : orgranic > crop interplanting > grass in lane > inorganic > grass > herbicide > tillage. The orchard organic groundcover management has the most beneficial economic and ecological effects...

That the orchard groundcover managements affect soil erosion and properties, water, nutrient, temperature, fruit yield and quality, pest and disease and environmental ecology etc are analyzed and scored. The scored ranking of the seven orchard floor management systems and their favorable effects (from most to least) is : orgranic > crop interplanting > grass in lane > inorganic > grass > herbicide > tillage. The orchard organic groundcover management has the most beneficial economic and ecological effects (+24). The organic groundcover management which is the most significance to reduce soil erosion and increase the crop yield and quality, should be advanced on the basis of ecological environment, population and economics in China.

分析了果园地面覆盖管理的生态和经济效益,并对果园地面管理方式在果树产量、质量、营养、病虫害和土壤有机质、肥力、水分、侵蚀以及生态环境上的影响进行了赋分综合评价。评价的有利效应顺序是:有机物覆盖>间作>生草带状覆盖>无机物覆盖>生草覆盖>除草剂除草>翻耕。据此,针对我国生态环境、人口、经济状况,提出了在山区的经济林果园内应推广应用秸杆地面覆盖技术,对于减少水土流失,提高果树产量具有显著的生态和经济效益。

The cloning of pTA29,barnase and barstar as well as the construction of two plasmids: pTABNBAR55 and pTABSBAR23 were reported in this paper. pTABN-BAR55 with pTA29-barnase chimaeric gene can induce male sterility and pTABSBAR23 with pTA29-barstar chimaeric gene can restore its male fertility when transferred into the same plant. Barnase, an extracellular ribonuclease and its intracellular specific inhibitor were amplified from total DNA of Bacillus amyloliquefaciens by PCR method and cloned into pUC18 and pUC19...

The cloning of pTA29,barnase and barstar as well as the construction of two plasmids: pTABNBAR55 and pTABSBAR23 were reported in this paper. pTABN-BAR55 with pTA29-barnase chimaeric gene can induce male sterility and pTABSBAR23 with pTA29-barstar chimaeric gene can restore its male fertility when transferred into the same plant. Barnase, an extracellular ribonuclease and its intracellular specific inhibitor were amplified from total DNA of Bacillus amyloliquefaciens by PCR method and cloned into pUC18 and pUC19 separately. The two genes were sequenced by Sanger's method. The cloned barstar DNA sequence precisely corresponded to that previously reported. And barnase had one-base difference at 3'-region from the two reported sequences. But peptide sequences of them were completely identical. An anther tapetum-specific expression promoter, pTA29, was cloned by PCR method and added to 5'-terminal of barnase & barstar. Nos. ter was added to their 3'-terminal to enhance expression efficiency. Then we inserted a herbicide-resistant selecting marker "bar cassettee" into those two plasmids at Hind 111 site to form plasmids pTABNBAR55 and pTABSBAR23 respectively. The plant transformed with pTABNBAR55 will express barnase protein in anther tapetum cells and the plant will show male sterility while its RNase activity destroys anther tapetum. But its male fertility can be restored to this engineered male sterile plant by crossing it with the engineered fertility restore line which has been transformed by pTABSBAR23. The expression of barstar will suppress barnase's cytotoxic activity by forming a barnase/barstar inactive complex. It is greatly hopeful that the construction and transformation of pTABNBAR55 and pTABSBAR23 into various crop plants would facilitate hybrid production.

本文报道了用于获得人工雄性不育系的质粒pTABNBAR55和用于获得人工恢复系的质粒pTABSBAR23的构建。用PCR的方法从烟草(Nicotiana tabacum cv.Samsun)中扩增了花药绒毡层特异表达TA29基因上游—291~+12共303bp的片段,称作TA29启动子(简写作pTA29);从解淀粉芽孢杆菌(Bacillus amyloliquefaciens)中扩增了一种RNA酶及其特异抑制剂基因barnase和barstar。DNA序列分析表明,pTA29和barstar片段均与已发表的序列完全一致,barnase片段在3′端和已见报道的两种序列都有一个碱基的差异,但由此推断的氨基酸序列是一致的,不影响其在植物中的表达。把TA29启动子分别与barnase和barstar基因连接起来构成两个嵌合基因pTA29-barnase和pTA29-barstar,在这两个嵌合基因的3′端加上了260bp的Nos终止子(Nos.ter)以增强其在植物中的表达。然后将一个2.0kb的完整除草剂抗性标记“bar cassettee”插在含有这两个基因的质粒上,作为转化和制种过程的筛选标记。若将前者导入欲作...

本文报道了用于获得人工雄性不育系的质粒pTABNBAR55和用于获得人工恢复系的质粒pTABSBAR23的构建。用PCR的方法从烟草(Nicotiana tabacum cv.Samsun)中扩增了花药绒毡层特异表达TA29基因上游—291~+12共303bp的片段,称作TA29启动子(简写作pTA29);从解淀粉芽孢杆菌(Bacillus amyloliquefaciens)中扩增了一种RNA酶及其特异抑制剂基因barnase和barstar。DNA序列分析表明,pTA29和barstar片段均与已发表的序列完全一致,barnase片段在3′端和已见报道的两种序列都有一个碱基的差异,但由此推断的氨基酸序列是一致的,不影响其在植物中的表达。把TA29启动子分别与barnase和barstar基因连接起来构成两个嵌合基因pTA29-barnase和pTA29-barstar,在这两个嵌合基因的3′端加上了260bp的Nos终止子(Nos.ter)以增强其在植物中的表达。然后将一个2.0kb的完整除草剂抗性标记“bar cassettee”插在含有这两个基因的质粒上,作为转化和制种过程的筛选标记。若将前者导入欲作杂交制种母本的植物中,可以获得雄性不育系;后者导入欲作父本的植物中,可获得恢复系。

 
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