菊花是典型的短日照植物,在生长期内进行遮光处理,可以提前开花,催花措施如下: 一、作短日照处理的菊花应选择生长势旺盛无病虫害的优良品种菊苗,在定头后的顺芽生长期内,分期施用2—3次0.2%的矮壮素,每隔15—20天施一次,防止徒长。 Chrysanthemum is a typical short-day plants, shading treatment during the growing season, you can flowering in advance, reminders of flowers are as follows: First, for short-day treatment of chrysanthemum should choose growth vigorously without pests and diseases of good varieties of Ju Miao, Shun bud growth period, staged application of 2-3 times 0.2% of CCC, every 15-20 days once applied to prevent leggy.