Preservative for prolonging ornamental life of fresh-cut carnation

The invention discloses a fresh-keeping agent for prolonging the ornamental life of fresh-cut carnation, the fresh-keeping agent is composed of strigolactone analogues and an ethanol solution, the concentration of the strigolactone analogues is 0.1 [mu] M, and the volume concentration of ethanol is 0.25%; according to the invention, the strigolactones analogue and the ethanol form the preservative, and the strigolactones analogue controls the aging process of flowers by adjusting the plant growth hormone level; the 0.25% ethanol solution can inhibit the growth of bacteria and fungi in a moisture transmission channel of the cut flower stem part and prevent the bacteria and fungi from causing blockage, which is beneficial for keeping good moisture fluidity; by means of the compound preservative, the cut flowers can be kept in a bright and fresh state for a longer time in the transportation and sales process. 本发明公开了一种延长鲜切康乃馨观赏寿命的保鲜剂，该保鲜剂由独脚金内酯类似物和乙醇溶液组成，独脚金内酯类似物的浓度为0.1μM，乙醇的体积浓度为0.25%；本发明通过独脚金内酯类似物和乙醇组成保鲜剂，独脚金内酯