褪黑素对切花月季‘卡罗拉’保鲜效应的影响

LUO Tongtong,PANG Tianhong, MA Ji,LI Hui,QIU Xiaoting, HUANG Fangfang,DU Changxia

Journal of Zhejiang A & F University（2018）

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Abstract

以切花月季‘卡罗拉’Rosa hybrida‘Corolla’为材料,通过在瓶插液中添加褪黑素(melatonin,N-乙酰-5-甲氧基色胺),研究了外源褪黑素对切花月季‘卡罗拉’保鲜效应的影响.结果表明:与对照瓶插液(蒸馏水)相比,20 μmol·L-1褪黑素+基础瓶插液(30 g·kg-1蔗糖+250 mg·L-1 8-羟基喹啉+200 mg· L-1柠檬酸)复合瓶插液显著提高切花月季‘卡罗拉’花径张开度和切花水分平衡值(P＜0.05),减缓切花鲜质量变化率下降速度,且抑制了瓶插液中细菌的增长,对切花月季‘卡罗拉’保鲜效应最佳,其次是20 μmol· L-1的褪黑素瓶插液和基础瓶插液.

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