在保护地蔬菜生产中,虽然生产条件较大田生产有一定的可控性,但仍然受低温、寡照等一些恶劣环境条件的制约。植物生长调节剂作为一类对植物生长发育具有生理调节功能的有机物质,对提高农作物产量、改善品质、提高抗逆性等方面有着重要作用。近年来,应用植物生长调节剂调节蔬菜生长发育,降低蔬菜生产对环境的依赖程度,已经成为一项不可缺少的生产措施,特 In the vegetable production in protected areas, although the production conditions are more controllable than the production in large fields, they are still subject to some harsh environmental conditions such as low temperature and low light. Plant growth regulators, as a class of organic substances that have physiological regulatory functions on the growth and development of plants, play an important role in improving crop yield, improving quality and improving stress resistance. In recent years, the application of plant growth regulators to regulate vegetable growth and development, reduce the dependence of vegetable production on the environment, has become an indispensable production measure, especially