化瓜现象是黄瓜生产上普遍存在的问题，特别是采用塑料棚室等保护地栽培的黄瓜，如果管理不善，化瓜率高达50％以上，严重影响产量和效益。根据多点调查及生产实践，总结棚室黄瓜化瓜的原因及对策如下：（－）品种结实能力差据试验，进行人工授粉刺激子房膨大，可使化瓜率下降7 Melon phenomenon is a common problem in the production of cucumber, especially the use of plastic sheds and other protected cucumber cultivation, if not properly managed, the melon rate as high as 50%, seriously affecting the yield and benefits. According to the multi-point investigation and production practice, the reasons and countermeasures for greenhouse cucumbers melon were summarized as follows: (-) Species with poor seed ability According to the experiment, artificial pollination stimulated ovary enlargement,