|Table of Contents|

Effect of Different Salt Stress on Physiological Indicators of Capsicum annuum L.(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年20
Page:
1-6
Research Field:
Publishing date:

Info

Title:
Effect of Different Salt Stress on Physiological Indicators of Capsicum annuum L.
Author(s):
JI XuehuaQIAN Yu
Agricultural Department,Shihezi University,Shihezi,Xinjiang 832003
Keywords:
Capsicum annuum L.salt stressphysiological indicatorsMDAproline
PACS:
-
DOI:
10.11937/bfyy.20170947
Abstract:
Capsicum annuum L.was taken as material,different concentrations of NaCl (10,30,50 mmol?L-1),NaHCO3(15,35,55 mmol?L-1) and K2SO4(10,30,50 mmol?L-1) were stressed at Capsicums seedlings stage for reference.Chlorophyll content,MDA content,electrical conductivity and proline content were analyzed to reflect the effect of different salt stress on Capsicums physiological metabolism,in order to expand the suitable soil range,and to increase the development and utilization of saline alkali soil.The results showed that when the concentrations were low,both the alkaline salt stress and neutral salt stress promoted chlorophyll synthesis,but high salt concentrations inhibited the synthesis of chlorophyll;at the same concentration,the inhibition of K2SO4 was heavier than that of NaCl and NaHCO3 to chlorophyll content;with the increasing of salt concentration and stressing time,MDA content of the leaf membrane increased gradually,there was more MDA increase of K2SO4 stress than that of NaCl and NaHCO3;the accumulation of proline increased at the beginning then decreased gradually,for three salts,K2SO4 showed maximum change of proline than that of NaCl and NaHCO3.In general,the salt damage was as follows:K2SO4>NaCl>NaHCO3.

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Last Update: 2017-10-26