1) acaricidal active substance
杀螨活性物质
1.
The effect of acaricidal active substance extracted from Mentha piperita against the adults of Tetranychus cinnabarinus was examined.
为测定薄荷中杀螨活性物质的毒力,分离鉴定该物质的分子结构,利用甲醇、氯仿和石油醚3种溶剂在常温下进行提取后,用液-液萃取法萃取,并用硅胶层析和薄层层析(TLC)结合碘显色法进行分离纯化,同时用玻片浸渍法对活性物质跟踪;最后采用紫外分光光度法(UV)、液相色谱法(HPLC)、红外色谱(RI)和质谱(MS)等技术对该物质进行鉴定。
2) acaricidal bioactivity
杀螨生物活性
1.
annua plants were collected in June and July respectively, and the whole plants were cut into root, stems and leaves, petroleum ether (30-60℃), petroleum ether (60-90℃), ethanol, acetone and water were used and extracted by the parallel and sequenced solvents extraction methods, finally 54 kinds of extracts were obtained and their indoor acaricidal bioactivity against P.
【目的】通过系统测定黄花蒿对柑橘全爪螨的杀螨生物活性,为综合开发利用黄花蒿提供科学依据。
3) acaricidal activity
杀螨活性
1.
The preliminary bioassay tests showed that they have acaricidal activity to some extent.
用叶片浸液法测定了2和3对红蜘蛛的毒杀作用,初步实验结果表明它们有一定的杀螨活性。
2.
The acaricidal activity of crude extracts from Stellera chamaejasme L.
)根部4种不同溶剂提取物的杀螨活性。
3.
The preliminary bioassay tests showed that they have acaricidal activity to some extent.
用叶片浸液法测定了2和3对红蜘蛛的毒杀作用,初步实验结果表明它们有一定的杀螨活性。
4) acaricidic activity
杀螨活性
1.
Studies on the acaricidic activity of the extracts of Kochia scoparia;
地肤提取物杀螨活性的研究
2.
On the basis of cold macerate method to extract the insecticidal components of 23 plants,the acaricidic activity for Tetranychus cinnarinus Boisduva in 24 h was mornitored respectively,methanol extracts of 0903T2 as well as other 13 Plants have shown high bioactivities,corrected mortalities in 24 h were all above 90%.
641 g/L,杀螨活性较稳定。
补充资料：养杀
1.谓极力供养。杀，同"煞"，形容极甚之辞。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条