|Table of Contents|

Changes in Enzymatic Activity of Different Flowering Stages of Phalaenopsis aphrodite Cut-flower

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年02
Page:
85-90
Research Field:
Publishing date:

Info

Title:
Changes in Enzymatic Activity of Different Flowering Stages of Phalaenopsis aphrodite Cut-flower
Author(s):
JIANG Suhua1; ZHANG Yan1; NIU Suyan1; YANG Xudong1; WANG Ximeng2; CUI Bo1
(1.Institute of Bioengineering，Zhengzhou Normal University，Zhengzhou,Henan 450044；2.College of Life Sciences，Zhengzhou University，Zhengzhou,Henan 450002)
Keywords:
Phalaenopsis aphrodite; peroxidase; superoxide dismutase; neutral protease
PACS:
-
DOI:
10.11937/bfyy.20200456
Abstract:
Taking fresh cut-flower of Phalaenopsis aphrodite as test materials,the changes in the activities of the three enzymes at different stages of the cut-flower tepals were measured and analyzed,in order to provide reference for prolonging the life span cut-flower of Phalaenopsis aphrodite.The results showed that the enzyme activity of peroxidase in sepals and petals did not change significantly from the bud stage to the half-blooming stage,and the enzyme activity increased significantly from the half-blooming stage to the senescence stage.The enzyme activity of superoxide dismutase in petals increased from the bud stage to the half-blooming stage,and the enzyme activity decreased significantly from the half-blooming stage to the senescence stage.The enzyme activity of neutral protease in the petals shows an upward trend from the bud stage to the half-blooming stage,a downward trend from the half-blooming stage to the blooming stage,and an upward trend from the blooming stage to the senescence stage.However,In the sepals the enzyme activity of the neutral protease showed a downward trend from the bud stage to the blooming stage,and an upward trend from the blooming stage to the senescence stage.Overall,the enzyme activity of neutral protease in both sepals and petals showed a first decline and then an upward trend.

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Last Update: 2021-05-19