查询词典 herbicide

Our country is used in paddy, cornfield since 1956 2, fireweed of 4- drop prevent and kill off, herbicide application begins to start, herbicide of 90 time our country got rapidder development.

我国从1956年起在稻、麦田使用2，4-滴防除杂草，除草剂应用开始起步，90年代我国除草剂得到了较快的发展。

Beauv effectively, and bensulfuron methyl (30g/hm^2) applied 6 d after rice transplanting could significantly reduce the plant numbers and biomass accumulation of difformed galingale (Cyperus difformis L.) and procumbent falsepimperne . The control efficiency of Huakangcao 78 and Yangdao 6 were 89.16% and 81.86% on barnyardgrass dry weight respectively 50 d after the rice transplanting, 83.56% and 84.93% on difformed galingale dry weight, 95.22% and 88.04% on procumbent falsepimperne dry weight. As a whole, the total dry weight control efficiency were 87.68% and 82.69% on above weeds correspondingly. Moreover, the grain yield of Huakangcao 78 and Yangdao 6 under the condition of 10cm depth water and herbicide application increased 40.33% and 21.36% comparing those under the treatment of 5cm depth water and no herbicide application respectively.

结果表明，水稻化感作用结合深水层可有效抑制稗草的萌发和生长，同时水稻移栽后6d使用苄嘧磺隆(30g/hm^2)单剂处理，明显地抑制了异型莎草和陌上菜的萌发数量和生物量积累；水稻移栽后50d，华抗草78和扬稻6号对稗草的干重防效分别为89.16%和81.86%，对异型莎草的干重防效分别为83.56%和84.93%，对陌上菜干重防效分别为95.22%和88.04%，对这3种杂草的总干重防效分别为87.68%和82.69%；10cm深水层及施用苄嘧磺隆单剂条件下2个水稻品种的产量比5cm水层、不施化学除草剂的处理分别增产40.33%和21.36%。

Objective: To observe the effect of the herbicide butachlor on myocardial contracts dint and myocardial enzymogram of Bufo bufo gargarizans, and to study physiological toxicity of herbicide butachlor on myocardial of Bufo bufo gargarizans.

目的：观察除草剂丁草胺对蟾蜍心肌收缩力和心肌酶谱的影响，探讨除草剂丁草胺对蟾蜍心肌的生理毒性。

Objective:To observe the effect of the herbicide butachlor on myocardial contracts dint and myocardial enzymogram of Bufo bufo gargarizans,and to study physiological toxicity of herbicide butachlor on myocardial of Bufo bufo gargarizans.

目的：观察除草剂丁草胺对蟾蜍心肌收缩力和心肌酶谱的影响，探讨丁草胺对蟾蜍心肌的生理毒性。

The soil under grassed elleyways had higher NH4+,and K,but lower NO3- than the soil under herbicide strip,with exception that the soil in the layer of 0～10 cm under herbicide strip had higher content of K.

施肥增加土壤速效N的含量。土壤NO3-的季节性变化表明5至6月份土壤中NO3-的含量高，而花前和7月份土壤中NO3-含量低。P、K在清耕带10 cm以下土壤的含量低于生草地土壤，但在0～10cm土层中K的含量高于生草地。P的含量不受影响。

Taking the method of the indoor bioassay to study the herbicide antidote dichloro-N-acetyl-2-methyl-1-oxa-4-aza-Lo\nonane to reduce herbicide acetochlor on the stubble after the rice crop residues injury.

采用室内生物活性测定的方法，研究了除草剂解毒剂N-二氯乙酰基－2-甲基－1-氧杂－4-氮杂－螺[4.4]壬烷减轻除草剂乙草胺对后茬作物水稻的残留药害。

Herbicide safener is an active ingredient to the target weeds and keep crops from the harm of herbicide selectively .

除草剂安全剂是一种能够选择性地保护农作物免遭除草剂的药害，但不降低除草剂对靶标杂草的活性的物质。

The wheat transformation frequency was between 0.33~0.66%, and cultivated time was only about 3~4 months.4 Through the hybridization of Anhui local wheat cultivated variety and the herbicide resistance variety which is including Bar gene by genetic engineering, the herbicide resistance F1 generation plant were obtained which was self-crossed or backcrossed with Anhui variety.

转化周期为3~4个月左右。4 杂交育种以含Bar基因的抗除草剂小麦基因遗传工程体为基因供体，与安徽品种进杂交，获得的F1后代均为抗性植株。

This experiment research is that when they were used in the Bermuda grass turf the Caopingning-51 herbicide and Caopingning-71 herbicide controlled the effect of weed which the Caopingning-51 herbicide and Caopingning-71 herbicide were used by way of solitude and combination.

在草坪的养护管理中，杂草防除是主要内容之一。在杂草防除方法中，化学防除是杂草防除中十分有效的方法l1。

Protoporphyrinogen oxidase inhibiting herbicide is becoming a hot point of novel herbicide development because it inhibits the enzyme catalysing the synthesis of chlorophyl in plant cell, insures the different activity between plants and animals, and has the virtues of high effectivity, low toxicity and mezzo residue.

而原卟啉原氧化酶抑制剂类除草剂以植物细胞中催化叶绿素合成的酶为作用点，确保了动植物之间的选择毒性，具有高效、低毒、残效适中的特点，成为新型除草剂开发的热点。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了