超声波对蓝睡莲湿藏期间水分状况和膜稳定性的影响

园艺学报 ›› 2006, Vol. 33 ›› Issue (2): 328-332.

超声波对蓝睡莲湿藏期间水分状况和膜稳定性的影响

贺文婷;郭维明^*

(南京农业大学园艺学院, 南京210095)

收稿日期:2005-04-24 修回日期:2005-11-08 出版日期:2006-04-25 发布日期:2006-04-25

Effects of Ultrasonic Wave on Water Condition and Membrane Stability of Cut Nymphaea caerulea Flower during Wet Storage

He Wenting;Guo Weiming^*

(Horticulture College, Nanjing Agricultural University, Nanjing 210095, China)

Received:2005-04-24 Revised:2005-11-08 Online:2006-04-25 Published:2006-04-25

摘要/Abstract

摘要： 本文研究了超声波与保鲜剂复合(UW + PS) 处理及超声波(UW) 预处理对蓝睡莲(Nymphaea caerulea) 切花6 d湿藏期间水分状况及膜稳定性有关指标的影响。结果表明: 与对照相比, 两组超声波预处理均延长了切花瓶插寿命; 改善了切花的水分状况, 表现为促进了花枝鲜质量增加率及吸水量与失水量之平衡, 提高了水分吸收效率和花茎不同部位的水势; 超声波还有效地阻止了O₂^·产生速率和MDA含量的上升, 提高了抗氧化酶CAT和SOD的活性。超声波与保鲜剂复合处理(UW + PS) 总体优于单独超声波处理, 表现了UW和PS的加合效应。

关键词: 蓝睡莲, 切花, 超声波, 保鲜剂, 水分状况, 膜稳定性

Abstract: Effects of pretreatments by UW ( ultrasonic wave) and UW + PS ( preservative solution) on indexes related to water conditionsmembrane stability of cut Nymphaea caerulea flower were studied during wet storage. The result showed that compared with the control, the vase life was postponed, water conditions were improved, which including the increase in fresh mass of flower stem, the p romotion of equilibrium between water absorp tions and loss, the water absorption rate and the water potential in different parts of flower stem. Meanwhile, the productions of O₂^· and MDA in petals were retarded, but SOD and CAT activities of petals were increased by two types of ultrasonic wave pretreatment during wet storage. The effect by UW + PS was better than that by UW alone, it showed the synergism effects.

Key words: Nymphaea caerulea, Cut flower, Ultrasonic wave, Preservative solution, Water condition, Membrane stability

贺文婷;郭维明. 超声波对蓝睡莲湿藏期间水分状况和膜稳定性的影响[J]. 园艺学报, 2006, 33(2): 328-332.

He Wenting;Guo Weiming. Effects of Ultrasonic Wave on Water Condition and Membrane Stability of Cut Nymphaea caerulea Flower during Wet Storage[J]. ACTA HORTICULTURAE SINICA, 2006, 33(2): 328-332.

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