从1972年春季起,苏联非黑土地区中部农业研究所研究了乙烯利(2—氯乙基膦酸)对冬小麦植株的作用及其杀雄效果。试验选用了代表不同生态类型的16个冬小麦品种。所用的乙烯利浓度由0.1%至1.0%,每平方米播种面积上施用0.2—2克的制剂,分别于拨节、挑旗、抽穗始期及完全抽穗期进行处理。每个处理用乙烯利溶液喷洒100棵植株,其中50棵后来用羊皮纸袋隔离, Since the spring of 1972, the Central African Institute of Agricultural Research in the non-black soil region of the Soviet Union has studied the effect of ethephon (2-chloroethylphosphonic acid) on winter wheat plants and their killing effect. Sixteen winter wheat varieties representing different ecological types were selected for the experiment. The concentration of ethephon used was from 0.1% to 1.0%, and 0.2-2 g of the preparation was applied to the sown area per square meter, respectively, for treatment of dialing, flagging, initial heading and full heading. One hundred plants were sprayed with ethephon solution for each treatment, 50 of which were later isolated with a parchment bag,