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Position: Home > Articles > Effects of Waterlogging Stress on Seedlings Morphological and Physiological Characteristics of Syringa Northern Horticulture 2018 (17) 105-110

淹水胁迫对丁香幼苗形态及生理特性的影响

作  者:
常春丽;王展;王晶英
单  位:
东北林业大学生命科学学院
关键词:
淹水胁迫;紫丁香;小叶丁香;无氧呼吸酶;抗氧化酶
摘  要:
以紫丁香和小叶丁香为试材,采用盆栽模拟涝渍环境的方法,研究了淹水胁迫对紫丁香和小叶丁香幼苗的形态及根系活力、叶绿素含量、无氧呼吸酶活性、抗氧化酶活性以及丙二醛(MDA)含量等生理指标的影响,以期明确丁香对淹水胁迫的响应机制。结果表明:小叶丁香的耐涝性强于紫丁香。淹水使2种丁香的叶片变黄萎蔫,根系活力增大,降低紫丁香的叶绿素含量的同时增大小叶丁香的叶绿素含量,使根系及叶片的丙酮酸脱羧酶(PDC)活性、乙醇脱氢酶(ADH)活性先上升后下降,超氧化物歧化酶(SOD)活性和过氧化物酶(POD)活性先降后升,MDA含量增加。
译  名:
Effects of Waterlogging Stress on Seedlings Morphological and Physiological Characteristics of Syringa
作  者:
CHANG Chunli;WANG Zhan;WANG Jingying;College of Life Science,Northeast Forestry University;
关键词:
waterlogging stress;;Syringa oblate;;Syringa microphylla;;anaerobic respiration enzymes;;antioxidant enzymes
摘  要:
In order to clarify the response mechanism of clove to waterlogging stress,Syringa oblate and Syringa microphylla were taken as the materials,effects of waterlogging stress on physiological characteristics,such as root activity,total chlorophyll content,the activity of anaerobic respiration enzymes and antioxidant enzymes and the content of malondialdehyde(MDA),as well as morphological changes were studied by simulating waterlogging environment in pot.The results showed that the waterlogging resistance of Syringa microphylla was better than Syringa oblate.Waterlogging turned two cultivars leaves yellow and wilted,increased their root activity,decreased the chlorophyll content of Syringa oblate while increased the chlorophyll content of Syringa microphylla,made their activities of pyruvate decarboxylase(PDC)and alcohol dehydrogenase(ADH)in both roots and leaves increased firstly and then decreased,made their activities of superoxide dismutase(SOD)and peroxidase(POD)decreased firstly then increased,increased their MDA content.

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