鲜花枯萎的主要原因是水中细菌的繁殖使花茎切口腐败,从而降低了导管的吸水能力。于是,人们采用以下几种方法来延长花期;(1)勤换水;(2)添加防腐剂或抗菌剂;(3)切口处理;(4)添加生长抑制剂;(5)添加植物激素等等。采用上述方法虽然都能在一定程度上延长了花期,但还不是很理想,有的方法还比较麻烦。因此, The main reason for the withered flowers is that the propagation of bacteria in the water corrupts the incision of the stems, thereby reducing the water absorption capacity of the catheter. As a result, people use the following methods to extend flowering; (1) frequently changing water; (2) adding preservatives or antibacterial agents; (3) incision treatment; (4) adding growth inhibitors; Wait. Although using the above methods to some extent, but also to extend the flowering, but not very satisfactory, and some methods are more troublesome. therefore,