花椰菜的花球表面,特别是边缘产生小苞片,表面呈绒毛状称为毛花。苞片带青色者称青花,带紫色者称紫花。有时,花椰菜花球上有较大的叶片产生,也属毛花现象。一、毛花原因1.结球期出现持续高温。花球形成时期需较低温度,早熟种一般20℃以下为宜,中、迟熟种一般10℃以内为好。花椰 Cauliflower flower ball surface, in particular the edge of the bracteoles, the surface was villous called hair flowers. Bracts with cyan are said to be blue-and-white, purple with violet. Occasionally, cauliflower flower balls have larger leaves, but also a gross phenomenon. First, the reasons for hairy 1. Concluding high temperature during the knot. The formation of flower bulbs required lower temperatures, precocious species is generally below 20 ℃ is appropriate, in the late varieties generally within 10 ℃ as well. Cauliflower