|Table of Contents|

Effects of Ca(NO3)2 Treatments on Preservation and Ornamental Value of Paeonia lactiflora Cut Flowers During Vase Phase

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年19
Page:
81-87
Research Field:
Publishing date:

Info

Title:
Effects of Ca(NO3)2 Treatments on Preservation and Ornamental Value of Paeonia lactiflora Cut Flowers During Vase Phase
Author(s):
ZHANG Yu1; LI Wei2
(1.Rushan Forestry Bureau，Rushan，Shandong 265400；2.College of Landscape Architecture and Forestry，Qingdao Agricultural University，Qingdao，Shandong 266109)
Keywords:
Paeonia lactiflora; cut flowers; Ca(NO3)2; vase life; ornamental quality
PACS:
-
DOI:
10.11937/bfyy.20182333
Abstract:
In order to provide reference for the development of preservative for fresh cut flowers of Paeonia lactiflora ‘Taohua Feixue’.The effects of exogenous Ca(NO3)2 on the physiological and ornamental qualities of cut flowers of P.lactiflora ‘Taohua Feixue’ were studied by using 3% sucrose+200 mg?L-1 8-hydroxyquinoline+150 mg?L-1 citric acid as the basic vase solution.The results showed that 100 mg?L-1 and 200 mg?L-1 Ca(NO3)2 treatment significantly increased the moisture balance value，superoxide dismutase (SOD) activity，catalase (CAT) activity and soluble protein content of P.lactiflora cut flowers，and decreased the relative conductivity.At the same time，compared with distilled water treatment，the maximum diameter of P.lactiflora cut flowers treated with 200 mg?L-1 Ca(NO3)2 increased by 1.7 cm，blossom period and the vase life increased by 1.0 day and 2.1 days，respectively.In conclusion，there were significant differences in physiological and ornamental quality of P.lactiflora cut flowers under different Ca(NO3)2 concentrations，and the effect of 200 mg?L-1 Ca(NO3)2 treatment was the best.This study provided a reference for further revealing that exogenous Ca(NO3)2 could improve the ornamental quality of P.lactiflora cut flowers.

References:

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Last Update: 2019-10-09