|Table of Contents|

Seed Germination Characteristics of Halimodendron halodendron (Pall.)Voss Under Salt and Drought Stress

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年15
Page:
81-88
Research Field:
Publishing date:

Info

Title:
Seed Germination Characteristics of Halimodendron halodendron (Pall.)Voss Under Salt and Drought Stress
Author(s):
QI Ronglian1; 2; Sharentuya2; LI Gangtie1; WANG Meizhen2; HE Liang1; 2; YANG Wenbin3
(1.Desert Science and Engineering College,Inner Mongolia Agricultural University,Hohhot,Inner Mongolia 010010;2.Inner Mongolia Key Lab of Sandy Land (Desert) Ecosystem and Eco-engineering,Inner Mongolia Academy of Forestry Sciences,Hohhot,Inner Mongolia 010010;3.Institute of Desertification Studies,Chinese Academy of Forestry,Beijing 100091)
Keywords:
Halimodendron halodendron (Pall.) Voss; seed germination; salt and drought stress
PACS:
-
DOI:
10.11937/bfyy.20204305
Abstract:
Halimodendron halodendron (Pall.) Voss seed introduced in Hohhot was used as the research material.Different concentrations of NaCl solution (4 g·L-1,8 g·L-1,12 g·L-1,16 g·L-1,20 g·L-1) and PEG-6000 solution (5%,10%,15%,20%,25%) were set to simulate the salt and drought stress to explore the germination characteristics of the Halimodendron halodendron (Pall.) Voss seed under salt and drought stress,in order to provide a reference for Halimodendron halodendron (Pall.) Voss to improve saline-alkali soil and ecological restoration in arid and semi-arid areas.The results showed that,with the increase of salt stress degree,the seed germination rate and germination potential of Halimodendron halodendron (Pall.) Voss showed a trend of first increased and then decreased;the germination index,vigor index,length of radicle and plumule decreased with the increase of NaCl concentration.Under drought stress,all indexes decreased with the increase of PEG-6000 solution concentration,and low concentration (5%) of PEG-6000 solution had no significant inhibitory effect on seed germination.When the concentration of NaCl and PEG-6000 solutions were 20 g·L-1 and 25%,the seed germination rate of Halimodendron halodendron (Pall.) Voss was 54.67% and 25.33% which did not reach the threshold of salt and drought for germination.

References:

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Last Update: 2021-11-22