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试验结果表明，灭多威以有效成份的不同比例与增效剂MS－8混配均有增效作用，以1：1．5配制的10％强化灭多威C增效最显著，共毒系数为717．34，增效6．17倍。田间试验10％强化灭多威C对豌豆潜叶蝇的防治效果明显优于20％灭多威乳油，防效为83．1％，较灭多威提高8．8％，与5％高效氯氰菊酯防效85．4％相当，具有明显增效作用。用药量为75ml／666．7m2。
Test results show that methomyl with different proportions of active ingredients and synergist MS-8 have synergistic effect, formulated with 1: 1.5 10% enhanced methomyl C synergistic the most significant, co-toxicity The coefficient is 717.34, the efficiency is 6.17 times. Field trials 10% enhanced methomyl C pea leafminer control effect was significantly better than 20% methomyl EC, control effect was 83.1%, compared with methomyl increased by 8.8%, and 5% alpha-cypermethrin 85.4% control efficiency is quite significant synergistic effect. The dosage is 75ml / 666.7m2.