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河南省郏县李口乡林庄村青年烟农李全功立志探索代替农药防治烟草病虫害的新途径。1983年7月,他从外地农民用食醋喷洒小麦增产中受到启发,在自己的责任田里划出36个小区进行食醋喷洒烟叶试验,并在省万亩优质烟试验方中进行大面积示范,经过4年试验示范,终于找到了在烟草不同生长期喷洒食醋的浓度和最佳用量。用食醋喷洒,对烟蚜虫的防治率达到85％,与乐果具有同样的效果,对烟草的花叶病防治率达到84％,且无残毒。经省烟草研究所质检室化验,用食醋喷洒的叶片,烘烤后内在成分协调,吃味醇和,无残毒。
Li Chuang-tzu, a farmer and farmer of Linzhuang Village, Likou Township, Juxian County, Henan Province, is determined to explore a new way to prevent and control tobacco diseases and insect pests instead of pesticides. In July 1983, he was inspired by the increase of farmers’ sprinkling of wheat with vinegar in his field. In his responsibility field, he plotted 36 plots of vinegar to spray tobacco leaves and tested large area Demonstration, after 4 years of experimental demonstration, finally found the different growth stages of spraying vinegar concentration and the best dosage. With vinegar spray, the control rate of tobacco aphid reached 85%, and dimethoate has the same effect, prevention and treatment of tobacco mosaic disease rate reached 84%, and no residue. The provincial Tobacco Institute QC laboratory tests, spraying with vinegar leaves, after baking the internal composition of coordination, eating alcohol and, without residual toxicity.