亚热带植物科学2023，Vol.52Issue(5)：398-403,6.DOI:10.3969/j.issn.1009-7791.2023.05.004
'红粉佳人'樱花对高温胁迫的生理响应
Physiological Response of Prunus pseudocerasus×incisa to High Temperature Stress
摘要
Abstract
In this paper,five temperature levels of 25℃,30℃,35℃,40℃and 45℃were selected.Each temperature level was treated for 2 h,4 h,6 h and 8 h,respectively.The physio-biochemical changes of leaves under temperature stress were determined to explore the effects of temperature stress on physiological response of Prunus pseudocerasus×incisa.The results showed that the chlorophyll content decreased first and then increased as the stress temperature increased,and the SOD activities,the contents of MDA and the soluble protein increased first and then decreased.CAT,POD activities showed an upward trend.The contents of chlorophyll,soluble protein,soluble sugar,MDA,and POD,SOD activities were presented significant differences along with the duration of stress prolongs under the same temperature stress.By means of principal component analysis showed that POD activity,SOD activity,and contents of chlorophyll,soluble protein and soluble sugar were the main physiological index to high temperature stress.关键词
高温胁迫/'红粉佳人'/生理效应/主成分分析/耐热性Key words
high temperature stress/Prunus pseudocerasus×incisa/physiological effects/principal component analysis/heat tolerance分类
农业科技引用本文复制引用
洪志猛,夏思颖..'红粉佳人'樱花对高温胁迫的生理响应[J].亚热带植物科学,2023,52(5):398-403,6.基金项目
国家林业和草原局"948"项目(2014-4-11) （2014-4-11）
福建省林业科技推广项目(2021TG09) （2021TG09）
