| 3种增效剂对药剂的增效作用及酶的抑制作用 |
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| 引用本文： | 彭梅,苏文伟,邓新平.3种增效剂对药剂的增效作用及酶的抑制作用[J].西南农业大学学报,2006,28(3):475-477. |
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| 作者姓名： | 彭梅 苏文伟 邓新平 |
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| 作者单位： | 泉州市农业局 福建泉州362000(彭梅，苏文伟)，西南大学植物保护学院 重庆400716(邓新平) |
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| 摘 要： | 采用虫体浸渍法测定了增效剂PBO,DEM,TPP对辛硫磷、顺式氯氰菊酯、虫螨腈的增效作用。结果表明,DEM对辛硫磷有显著增效作用,PBO对顺式氯氰菊酯、虫螨腈有显著增效作用。定量测定了增效剂PBO,DEM,TPP对甜菜夜蛾(Spodoptera exigua)3龄幼虫多功能氧化酶脱甲基作用,谷胱甘肽-S-转移酶,羧酸酯酶的抑制作用。结果表明,增效剂剂量在一定范围内与酶抑制率呈正相关关系;当剂量超过一定范围时,酶抑制率保持在一定水平,不再随剂量增加而递增,甚至随剂量增加而下降。
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| 关 键 词： | 甜菜夜蛾 增效剂 增效作用 抑制率 |
| 文章编号： | 1000-2642（2006）03-0475-03 |
| 收稿时间： | 2006-03-20 |
| 修稿时间： | 2006-03-20 |
SYNERGISM OF 3 SYNERGISTS TO SOME INSECTICIDES AND THEIR INHIBITING EFFECTS ON ENZYMES |
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| PENG Mei,SU Wen-wei,DENG Xin-ping.SYNERGISM OF 3 SYNERGISTS TO SOME INSECTICIDES AND THEIR INHIBITING EFFECTS ON ENZYMES[J].Journal of Southwest Agricultural University,2006,28(3):475-477. |
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| Authors: | PENG Mei SU Wen-wei DENG Xin-ping |
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| Affiliation: | 1. Quanzhou Agricultural Bureau, Quanzhou, Fujian 362000, China; 2. College of Plant Protection, Southwest University, Chongqing 400716, China |
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| Abstract: | Synergism of three synergists(PBO,DEM and TPP) to three insecticides(phoxim,aiphacypermethrin and chlorhenapyr) was tested with the dipping method.DEM showed a high synergism to phoxim,and PBO to aiphacypermethrin and chlorhenapyr.The effects of the 3 synergists on the enzymes of 3~(rd) instar larvae of Spodoptera exigua were studied and the results showed that in a certain range of concentration,the inhibition rate of the enzymes were positively correlated with synergist rate.Beyond that range,the inhibition rate stoped rising and began to drop instead. |
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| Keywords: | Spodoptera exigua synergist synergism inhibition rate |
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