用乙烯利(ECPA)促进大棚黄瓜幼苗的雌花分化,已经成为一项成熟的技术应用于生产实践。但仍有许多菜农往往不能准确掌握用药浓度,造成浓度过高,使幼苗生长停滞,花打顶、形成僵苗,严重时生长点干枯死亡。为此,笔者将大棚黄瓜受乙烯利药害后的补救措施总结如下: 1.加强肥水管理 药害发生后,根 The use of ethephon (ECPA) to promote the female flower differentiation of greenhouse cucumber seedlings has become a mature technology used in production practice. However, there are still many vegetable farmers can not accurately grasp the drug concentration, resulting in high concentrations, stagnation of seedling growth, topped flowers, the formation of stiff seedlings, severe growth when dry death. To this end, the author will shed greenhouses cucumber after treatment by ethephon remedies summarized as follows: 1. To strengthen fertilizer and water management After the occurrence of injury, the root