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６０％双效磷乳油经毒性和稳定性检测及田间增效试验，明确了其毒性明显高于两混配单剂，１０００倍的防效与５０％甲胺磷２０００倍相似，但安全性好于单独使用甲胺磷或敌百虫；双效磷不稳定的主要表现是马拉松含量迅速降低，使用当年生产的双效磷才能最大限度发挥增效作用。
The toxicity and stability test of 60% and the field efficacy test indicated that the toxicity was obviously higher than that of the two mixed single agents. The control efficiency of 1000 times was similar to that of 50% methamidophos 2000 times, but the safety was good Methamidophos or trichlorfon alone; diphosphate instability is the main performance of the rapid reduction of marathon, the use of the production of bisphosphorus to maximize the synergistic effect.