(1-MCP) delayed senescence and abscission processes in R. hybrida ‘Bronze’, ‘Vanilla’ (Müller et al., 2000), resulted in extending of postharvest characteristics. Application of 1-MCP improved display life of various cultivars showed high and low sensitivity to exoge-nous ethylene (Da Rocha Batista et al., 2008). Hunter et al. (2004)showed pre treatment of Narcissus pseudo narcissus L. ‘Dutch Master’ with 500 nL L−11-MCP resulted in delayed flowers senescence and transcript accumulation caused by exogenous ethylene. 1-MCPis a strong ethylene action inhibitor with high ability to bind permanently to the receptors and suppresses the ethylene response pathway in plants. 1-MCP may have a wide range of effects on respiration and ethylene production and consequently delaying chlorophyll degradation (Blankenship and Dole, 2003).