通过药力高对３ 种农药防治棉蚜的增效测定试验，说明在药液中加入０ ．１ ％ 的药力高，可提高药效３０ ％ ～５０ ％ ，用药量降低２０ ％ ～５０ ％ ，与目前市场上同类产品的农药增效剂相比，增效作用明显优越 Through the high potency of three kinds of pesticides to control cotton aphid synergistic test, indicating that 0 in the liquid. 1% of the high drug potency, can improve the efficacy of 30% to 50%, reduce the dosage of 20% to 50%, and currently on the market similar products of pesticide synergist, the obvious synergy