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Effects of Waterlogging Stress on Growth and Physiology Characters of Iris sanguinea 

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年13
Page:
73-77
Research Field:
Publishing date:

Info

Title:
Effects of Waterlogging Stress on Growth and Physiology Characters of Iris sanguinea 
Author(s):
CHEN Fei; QU Yanting; LI Li; XIONG Yan; ZHANG Tianshu; HAN Hui
(Institute of Natural Resources and Ecology,Heilongjiang Academy of Sciences/National and Provincal Joint Engineering Laboratory of Wetlands and Ecological Conservation,Harbin,Heilongjiang 150040)
Keywords:
Iris sanguinea; waterlogging stress; morphology; physiology
PACS:
-
DOI:
10.11937/bfyy.20204971
Abstract:
Taking Iris sanguinea as materials,the method of waterlogging treatment was adopted.Effects of different waterlogging time on the growth and physiology characters of Iris sanguinea were studied,in order to illuminate the response to waterlogging stress of Iris sanguinea,and provide a reference for the application of Iris sanguinea in garden and germplasm resources innovation.The results showed that the plant height of Iris sanguinea was lower than the control,and root length was siginificantly less than that of control when they were waterlogged for 20 days.As the waterlogging time increased,the content of MDA reached the maximum,and then declined when waterlogged for 8 days.The activity of SOD increased,the activity of POD first increased and then decreased.The proline content first increased and then decreased.The soluble sugar reached the minimum when waterlogged for 8 days then increased slowly.The soluble protein content increased in the early stage,then decreased,and increased again.In conclusion,the growth of Iris sanguinea is inhibited by waterlogging stress.But it has a certain tolerance to waterlogging stress and can adapt to wetland environments.

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Last Update: 2021-10-11