|Table of Contents|

Physiological Response Mechanism of Exogenous H2O2 to Hibiscus syriacus Linn.Under Double Salt Stress

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年04
Page:
72-78
Research Field:
Publishing date:

Info

Title:
Physiological Response Mechanism of Exogenous H2O2 to Hibiscus syriacus Linn.Under Double Salt Stress
Author(s):
LIU Ruixia1; ZHANG Xianping2; SHE Bo1; LIU Jun3
(1.Shanxi Forestry Vocational College，Taiyuan，Shanxi 030009；2.Taiyuan College，Taiyuan，Shanxi 030009；3.Shanxi Forestry Seedling Management Center，Taiyuan，Shanxi 030000)
Keywords:
H2O2; double salt stress; Hibiscus syriacus Linn.; physiological characteristics
PACS:
-
DOI:
10.11937/bfyy.20200525
Abstract:
The seedlings of Hibiscus syriacus Linn.were used as materials，the effects of exogenous H2O2 on physiological indexes of Hibiscus syriacus  Linn.under double salt stress were studied by pot experiment，in order to find a new way to improve its salt tolerance and to provide a theoretical basis.The results showed that T4 compared with T2 was significantly reduced the contents of Hibiscus syriacus Linn.superoxide anion，hydrogen peroxide and MDA content，and it was significantly reduced the conductivity，there was significant difference between T2 and control，but no significant difference between T6 and control；T4 compared with T2 that increased the content of AsA and GSH，there was significant difference between T2 and T1；T4 compared with T2 that significantly increased the activity of SOD，CAT and APX in Hibiscus syriacus Linn.，T2 was significantly higher than the control，and there was no significant difference between T6 and the control；T4 compared with T2 that increased the content of soluble sugar，soluble protein and free proline content in Hibiscus syriacus Linn.，T2 was significantly higher than the control；T4 compared with T2 that increases chlorophyll a content and chlorophyll a/b value，while decreases chlorophyll b and total chlorophyll content.According to the comprehensive analysis，T4 had the most significant effect on improving the physiological characteristics of Hibiscus syriacus Linn.under double salt stress and alleviating double salt stress.

References:

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Last Update: 2021-06-07