Effects of Waterlogging Stress on Growth and Physiological Characteristics of Cassia bicapsularis(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effects of Waterlogging Stress on Growth and Physiological Characteristics of Cassia bicapsularis

Author(s):: CAI Siqi; LIAO Feiyong; (College of Landscape Architecture，Central South University of Forestry and Technology,Changsha,Hunan 410004)

Keywords:: Cassia bicapsularis; waterlogging stress; physiological characteristics; aerial roots

Abstract:: The chlorophyll fluorescence parameters，peroxidase (POD)，malondialdehyde (MDA)，chlorophyll content，leaf water content and growth of Cassia bicapsularis seedlings were determined after treated with waterlogging stress.The results showed that with the increase of water depth，the injury of stress of Cassia bicapsularis plants gradually increased.After waterlogging treatment for 6 days，severely flooded plants all died.After a month of waterlogging stress，Fo，Fv/Fm，qN of mild group and moderate waterlogging group plants decreased compared with the control group，while ETR，Fv′/Fm′ downward after the first rise trends，POD activity increased first as the stress time，then decreased.Leaf water content and MDA content increased significantly compared with the control group，the chlorophyll content was lower than the control group.After waterlogging treatment for twelve months in，mild waterlogging and moderate waterlogging group plants still grew well and grew many aerial rooting to adapt to waterlogging environment.

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Last Update: 2017-03-22