西葫芦耐低温能力强，根系在６℃的情况下可以正常伸展，８～１０℃开花受精，果实能正常膨大，相对的低温和短日照能促进花芽分化和雌花的发生，也就是说日光温室越冬栽培西葫芦雌花出现早，雌花指数高。作为早春菜基地的徐淮地区利用日光温室栽培西葫芦，是调正产业结构、发 Zucchini cold tolerance ability, the root system at 6 ℃ can be normally extended, 8 ~ 10 ℃ flowering and fertilization, the fruit can be normal enlargement, the relative low temperature and short sunshine can promote flower bud differentiation and the occurrence of female flowers, that is, the winter sun greenhouse Zucchini female flowers appear early, female flower index high. As early spring vegetables base Xuhuai use of solar greenhouse cultivation of zucchini, is to adjust the industrial structure, hair