|Table of Contents|

Morphological and Physiological Effects of Low Temperature Stress on Different Phalaenopsis Leaves

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2024年12
Page:
59-65
Research Field:
Publishing date:

Info

Title:
Morphological and Physiological Effects of Low Temperature Stress on Different Phalaenopsis Leaves
Author(s):
GAO Xiaofen1; YANG Wenbin2; ZHANG Li1
(1.College of Wine and Horticulture,Ningxia University,Yinchuan,Ningxia 750021;2.College of Life Sciences,Ningxia University,Yinchuan,Ningxia 750021)
Keywords:
Phalaenopsis; low temperature stress; bloom stage; morphological characters; physiological response
PACS:
S 682.31
DOI:
10.11937/bfyy.20233880
Abstract:
The effects of low temperature on the growth and development of six Phalaenopsis varieties in full bloom,namely ‘Golden Armour’‘Amethyst’‘Fule Sunset’‘Jade Linglong’‘Pink Dodo’ and ‘Pink Crystal’ as the test materials,were investigated by using the methods of morphological characteristics and physiological indexes detection,in order to provide reference for the cultivation of Phalaenopsis.The results showed that with the gradual decrease of temperature,wilting,cracking and freezing spots appeared on leaves,flower buds stopped growing and inflorescences gradually withered;membrane permeability gradually decreased,osmoregulatory substances gradually increased,and both relative water content and chlorophyll content gradually decreased.Moreover,low temperature stress had different effects on different species of Phalaenopsis.These results indicated that different Phalaenopsis varieties had different adaptability to low temperature,‘Golden Armour’>‘Fuller′s Sunset’>‘Pink Dodo’>‘Pink Crystal’>‘Jade Linglong’>‘Amethyst’.

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Last Update: 2024-07-11