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Effects of AM Fungi on Drought Tolerance of Artemisia ordosica in Unsterilized Soil(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年02期
Page:
1-5
Research Field:
Publishing date:

Info

Title:
Effects of AM Fungi on Drought Tolerance of Artemisia ordosica in Unsterilized Soil
Author(s):
ZHANG Huan-shi1; 2; QIN Pei2; PAN Shao-ming1; HE Xue-li3
1.High-tech Research Institute,Nanjing University,Lianyungang,Jiangsu 222000;
2.Halophyte Research Lab of Nanjing University,Nanjing,Jiangsu 210093;
3.College of Life Science and Technology,Hebei University,Baoding,Hebei 071002
Keywords:
AM fungi; drought stress; Artemisia ordosica; unsterilized soil
PACS:
S 543+9
DOI:
-
Abstract:
The effects of arbuscular mycorrhizal fungi(AMF)（Glomus mosseae and the indigenous AM fungi）on growth and drought tolerance of Artemisia ordosica in unsterilized soil was studied in potted culture under well water and drought stress conditions.The results indicated that AMF colonization on A. ordosica was significantly decreased by drought stress.Branch number, plant fresh and dry weight of A. ordosica were increased by inoculation with AMF under well-watered and drought stress conditions，but height of shoots and stem diameter and plants water status were not significantly improved. Inoculation of the indigenous AMF notably improved the contents of N and P in roots when compared with non-mycorrhizal plant under drought stress, AM fungi inoculation could enhance the contents of the soluble protein,Chl of leaves,and promote the activity of superoxide dismutase (SOD),catalase (CAT),peroxidase (POD),decrease the leaf content of MDA.Thus,the ability of drought resistance of A. ordosica was promoted by inoculating the AMF.

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Last Update: 2014-08-23