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菊花为短日照植物,每天不超过10—11小时的光照才能现蕾开花。根据这一特性,可以人工控制菊花的营养生长及开花期,使不同品种的菊花在同一时期开放,或者在非开花季节开花。常用的办法有: 1.利用合适的扦插繁殖期。这个办法使用最普遍,也最简便。不同品种的菊花,从扦插到开花的时间各不相同。早熟种从苗种植时起100天开花,中熟种要120-130天,迟熟品种则要130-140天。利
Chrysanthemum is a short-day plant that does not bloom or bloom for no more than 10-11 hours of light per day. According to this feature, the vegetative growth and flowering stage of chrysanthemum can be artificially controlled so that different varieties of chrysanthemum are open at the same time or flowering in the non-flowering season. Common methods are: 1. Use the appropriate cuttings breeding season. This method is the most widely used, but also the most simple. Different varieties of chrysanthemums, from cutting to flowering time varies. Precocious species bloom from the planting of 100 days, medium to 120-130 days, late varieties will have 130-140 days. Lee