查询词典 herbicidal

The results show that herbicidal activity is closely related to the steric and electronic properties of the 5-position of the benzene ring.

结果表明，此类磺酰脲类化合物的除草活性与苯环5位取代基的立体结构和电场性质密切相关。

4 Had the most intensive herbicidal activity. The inhibiting rate of No. 4 was 95.8%, 93.76% and 86.36% against the taproot ,caulis and the bourgeon of retroflexus L. respectively.

经HPLC分离后得到8个馏份，其中馏份4的除草活性最强，对反枝苋的种子萌发抑制率为86.36%，主根生长抑制率为95.84%，主茎生长抑制率为93.76%。

The research included host range,biological characteristics,infection process and infection influence factors of SYAU-06 strain as well as the herbicidal activity,extraction technology,action mechanism,biological safety,separation and purification technology and structure elucidation of phytoxin produced by the strain.The experiment provided a new method to biocontrol dayflower.

通过对SYAU-06活体菌株的寄主范围、生物学特性、侵染过程、侵染影响因子和毒素的除草活性、提取工艺、作用机理、生物安全性、分离提纯技术研究以及结构解析，从活体菌株和毒素两个方面系统评价了SYAU-06菌株防除鸭跖草的潜力，为鸭跖草的生物防治提供新的方法和思路。1。

The herbicidal activities of four solvent extracts from Xanthium sibiricum Patrin were tested by method of seed germination for Sorghum vulgare Pers.

4种作物种子为供试材料，用种子萌发法测定了苍耳全株的石油醚、乙酸乙酯、丙酮和苯4种溶剂提取物的除草活性。

These results suggested that proper groups at 5-position on phenyl ring of sulfonylurea molecule might possess high herbicidal activity.

结果表明，在磺酰脲类分子苯环5位上进行结构改造，有可能得到高活性的化合物。

The metabolites produced by NJ-08 strain made the leaves of Eleusine indica yellow and wilting, and showed good herbicidal activity against the indicator plant and weeds such as Stylosanthes guianensis, Urena lobata, Crotalaria mucronata and Capsicum frutescens with the inhibition rate to radicel and embryo of above 90%.

NJ-08菌株产生的代谢产物作用于牛筋草，可使叶片黄化或枯死，代谢产物对指示植物及杂草如柱花草、地桃花、猪屎豆和辣椒的胚根胚芽生长都有明显的抑制作用，抑制率均超过了90%，显示出很好的除草活性。

Preliminary bioassay indicates that some compounds display herbicidal activity and excellent fungicidal activity to some extent, and among them the compounds 5k and 8f exhibit higher than 90% inhibition effect against Rhizoctonia solani in dosage of 50 mg/L.

初步的生物活性测试结果表明，所合成的化合物均表现出不同程度的除草及杀菌活性，其中化合物5k和8f的活性最好，在50mg/L浓度下对水稻纹枯病菌的抑制率达90%以上。

Mylabris phalerata, Meloidae family of Coleoptera, has been known since antiquity to produce a potent toxic defensive agent, known as cantharidin (exo,exo-2,3-dimethyl-7-oxabicyclo [2.2.1] heptane-2,3- dicarboxylic anhydride), but well-known as Spanish Fly. In the past, Cantharidin has used as anticancer, herbicidal, pesticide and treatment of hepatic carcinoma and molluscum contagiosum activities.

中文摘要斑蝥为翘翅目芫青科斑芫青属的昆虫，主要成分为斑蝥素(Cantharidin； exo，exo-2，3-Dimethyl- 7-oxabicyclo [2，2，1] heptane-2，3-dicarboxylic anhydride)，研究中指出斑蝥素具有发泡、抗肿瘤的作用，或当作除草剂、杀虫剂、毛发生长刺激剂，目前临床上则用於治疗原发性肝癌及传染性疣。

The results of bioassay indicate that these compounds are of high acaricidal, fungicidal and herbicidal activitives.

化合物的生物活性测定结果表明，这是一类具有高效杀螨、杀菌及除草活性的有机锡化合物。

The main pyridine classes with fungicidal, insecticidal/acaricidal and herbicidal activity are presented, together with their structures and biological activities.

内容涉及具有杀菌、杀虫杀螨、除草活性的重要吡啶类化合物及商品化品种的结构和生物活性。

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