切花是指从植株上剪下的带有茎叶的花枝，可用于瓶插或其它花饰和艺术插花。常见的切花品种有：菊花、香石竹、唐菖蒲和月季等。当鲜花从母体剪离后，在其生理上发生较大的变化，如蒸腾失水、营养亏缺以及细菌感染等，故极易使切花凋萎。首先切花采后的水分亏缺应是最主要的生 Cut flowers are cut from the plant stems and leaves with the flowering branches, can be used for vase or other floral and art flower arrangement. Common varieties of cut flowers are: chrysanthemum, carnation, gladiolus and rose and so on. When the flowers cut off from the mother, the physiological changes in its larger, such as transpiration dehydration, nutritional deficiencies and bacterial infections, it is easy to cut flowers withered. First cut the water deficit after harvest should be the most important raw