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Title:: Response of Different Lotus Flowers to Saline-Alkali Stress

Author(s):: SU Shaowen; LIU Ying; HUANG Zhiyuan; WU Fangfang; LIU Yiping; (College of Forestry,Henan Agricultural University,Zhengzhou,Henan 450000)

Keywords:: lotus; saline-alkali stress; physiological response; membership function

PACS:: -

DOI:: 10.11937/bfyy.20194346

Abstract:: Taking lotus ‘Caiyun’‘Guili’‘Tiandihong’ as experimental materials,the physiological effects of different concentrations of saline-alkali (0 mmol·L-1,50 mmol·L-1,100 mmol·L-1,150 mmol·L-1,200 mmol·L-1) on the growth and physiological of lotus were studied.Function method was used to evaluate the salt tolerance of lotus,in order to explore the physiological characteristics of lotus in response to salt-alkali complex stress.The results showed that with the increasing of salt-alkali stress,the peroxidase (POD) activity and soluble protein (SP) content of different varieties of lotus leaves increased first and then decreased,proline (Pro) content and malondialdehyde (MDA) content increased,the superoxide dismutase (SOD) activity of the leaves of ‘Caiyun’ and ‘Tiandihong’ increased first and then decreased,the content of chlorophyll (Chl) of ‘Caiyun’ and ‘Tiandihong’ continued to decline,the chlorophyll content of ‘Guili’ increased first and then decreased.According to the comprehensive analysis of the membership function value,the salt-alkali tolerance of different lotus varieties from strong to weak was in the order of ‘Guili’>‘Tiandihong’>‘Caiyun’.

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Response of Different Lotus Flowers to Saline-Alkali Stress

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

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