每到唐菖蒲上市时,我都要买些回家瓶插。为延长花期,我用了许多办法,但效果总不太理想,往往是顶部一些小花无法开放,而底下插枝的茎叶已发黄、衰败了。今年我试用磷酸二氢钾作保鲜液,取得了极好的效果。方法如下:①购花时选取新鲜、发育好的切 Every time gladiolus goes public, I have to buy some bottles back home. To extend the flowering period, I used a lot of methods, but the effect was not always satisfactory. Often the flowers on the top could not be opened and the stems and leaves under the cuttings were yellow and decayed. This year I tried potassium dihydrogen phosphate as a preservation solution and achieved excellent results. The method is as follows: ① When buying flowers, choose fresh, well-developed cut