花椰菜是我国南北部地区秋冬季主栽的蔬菜品种之一 ,近年来由于品种的多样化和栽培农艺技术的进步以及农用资材的更新 ,几乎能够周年栽培上市。其食用部分即花序是植株经过营养生长 ,遭遇低温进行发芽分化形成花蕾 ,花蕾发育肥大形成花球。花芽的分化与温度密切有关 ,且不同的 Cauliflower is one of the varieties of vegetable mainly planted in autumn and winter in the northern and southern parts of China. In recent years, because of the variety of cultivars, the progress of cultivated agronomic techniques and the renewal of agricultural materials, cauliflower can be cultivated on the market almost every year. The edible part of the inflorescence is the vegetative growth of the plant, encountering the low temperature for germinating and differentiating to form flower buds, and the flower buds grow hypertrophy to form flower bulbs. Flower bud differentiation and temperature are closely related, and different