月季花朵硕大 ,色彩丰富 ,是当今国际市场上四大切花之一。然而关于月季切花保鲜的问题仍有待解决。虽然兼有强烈杀菌效果的乙烯作用抑制剂硫代硫酸银 ( STS)已经广泛作为月季切花保鲜剂的主要成分 ,但却存在延缓开花衰老效果不稳定和环境污染问题〔1,2〕。最近有一种以 PPOH( Giant rose flowers, rich colors, is one of the four major cut flowers on the international market today. However, the preservation of cut rose flowers remains to be solved. Although STS, an ethylene action inhibitor with a strong bactericidal effect, has been widely used as the main component of rose cut flower preservatives, it has the problem of delaying the instability of flowering and senescence and environmental pollution [1,2]. Recently there is a PPOH (