|Table of Contents|

Effects of Mixed Saline-alkali Stress on Growth of Tagetes patula

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年12
Page:
63-69
Research Field:
Publishing date:

Info

Title:
Effects of Mixed Saline-alkali Stress on Growth of Tagetes patula
Author(s):
WANG Lingli1SHI Yongliang2LI Xiaoshan1ZHAN Yaling1WANG Lei2
(1.Department of Life Science,Yuncheng University,Yuncheng,Shanxi 044000;2.Science Experiment Center,Yuncheng University,Yuncheng,Shanxi 044000)
Keywords:
Tagetes patulamixed saline-alkaliseed germinationphysiological index
PACS:
-
DOI:
10.11937/bfyy.20203908
Abstract:
The effects of different concentrations of mixed saline-aslkali on seeds and seedlings of Tagetes patula were studied in order to provide theoretical basis for the planting,introduction and domestication of Tagetes patula in salt lake area.By simulating the environmental characteristics around salt lake in Yuncheng city,Shanxi Province,two kinds of neutral salts of NaCl and Na2SO4,two kinds of alkali of NaHCO3 and Na2CO3 were selected and mixed according to 1∶9∶9∶1 mole ratio.The concentrations of mixed saline-alkali that NaCl,Na2SO4,NaHCO3 and Na2CO3 were set to 25,50,75,100,125,150,200 mmol·L-1 and 300 mmol·L-1 solution.The results showed that the germination rate,germination energy,germination index and activity index of Tagetes patula gradually decreased;the area of embryo root,germ,hypocotyl and cotyledons decreased;chlorophyll content and relative conductivity of seedlings showed an rising trend;the content of MDA,the activities of SOD and CAT increased and then decreased;the content of free proline (Pro) gradually increased with the increase of the concentration of mixed saline-alkali treatment solution.The greater the concentration of mixed saline-alkali,the more the influences on the seeds and seedlings of Tagetes patula.

References:

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Last Update: 2021-09-27