Effect of arbuscular mycorrhizal fungi on growth, mineral nutrition, antioxidant enzymes activity and fruit yield of tomato grown under salinity stress

文献类型： 外文期刊

第一作者： Latef, Arafat Abdel Hamed Abdel

作者： Latef, Arafat Abdel Hamed Abdel;He Chaoxing

作者机构： S Valley Univ, Fac Sci, Dept Bot, Qena 83523, Egypt;Chinese Acad Agr Sci, Inst Vegetables & Flowers, Beijing 100081, Peoples R China

关键词： phosphorus: 7723-14-0;potassium: 7440-09-7;sodium: 7440-23-5;superoxide dismutase: SOD;9054-89-1;EC 1.15.1.1;antioxidant enzyme;malondialdehyde: MDA;542-78-9;chlorophyll;ascorbate peroxidase: APX;72906-87-7;EC 1.11.1.11;catalase: CAT;9001-05-2;EC 1.11.1.6;peroxidase: POD;9003-99-0;EC 1.11.1.7;lipid peroxidation;oxidative damage;salinity;symbiosis;plant growth;enzyme activity;salt tolerance;root colonization;morphological character;salt stress;fruit yield;fungal colonization;mycorrhization;mineral uptake

期刊名称：SCIENTIA HORTICULTURAE （ 2020影响因子：3.463； 五年影响因子：3.672 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： The purpose of this study was to investigate the mechanisms underlying alleviation of salt stress by arbuscular mycorrhizal fungi Glomus mosseae. Tomato (Lycopersicon esculentum L. cv. Zhongzha105) plants were cultivated in soil with 0, 50 and 100 mM NaCl. Mycorrhization alleviated salt induced reduction of root colonization, growth, leaf area, chlorophyll content, fruit fresh weight and fruit yield. The concentrations of P and K were higher in AM compared with nonAM plants grown under nonsaline and saline conditions. Na concentration was lower in AM than nonAM plants grown under nonsaline and saline conditions. AMF colonization was accompanied by an enhancement of activity of superoxide dismutase (SOD), catalase (CAT). peroxidase (POD) and ascorbate peroxidase (APX) in leaves of both salt-affected and control plants. In addition, inoculation with AMF caused reduction in MDA content in comparison to salinized plants, indicating lower oxidative damage in the colonized plants.In conclusion, AMF may protect plants against salinity by alleviating the salt induced oxidative stress. Crown Copyright (C) 2010 Published by Elsevier B.V. All rights reserved.

分类号： S6

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