你刊1994年第3期和1995年第1期刊登了有关应用“波退合剂”的报导。笔者1995年通过多点喷试,都有一定效果。由于诸多因素的影响,喷药后的效果差别很大,分析其原因,提出注意以下几个问题:1.选配的农药原料必须纯净,配出的药液呈酱油色。2.喷药后如在24小时内着雨,隔3～5天必须重喷。3.喷药必须周到严密,不能重喷,也不能漏喷;叶的反正面、果实、 You published the third issue of 1994 and the first issue of 1995 on the application of “wave retreat agent” of the report. The author in 1995 through more spray test, have a certain effect. Due to the influence of many factors, the effect after spraying is very different. The reasons for the analysis are as follows: 1. The pesticide raw materials must be pure and the liquid with the sauce is soy sauce. 2. After spraying like rain in 24 hours, every 3 to 5 days must be re-sprayed. 3. Spraying must be thoughtful and close, can not re-spray, can not leak spray; leaves of the positive, fruit,