热带作物学报2011，Vol.32Issue(6)：1069-1074,6.DOI:10.3969/j.issn.1000-2561.2011.06.017
接种丛枝菌根真菌(AMF)及施磷量对狗牙根抗旱性的影响
Effects of Arbuscular Mycorrhizal Fungi(AMF)on the Drought Resistance of Bermudagrass under Different Phosphorus Application Rates
摘要
Abstract
A pot experiment was conducted to study the related effects of P-applied levels and arbuscular mycorrhizal fungi(AMF) on mechanism of drought resistance of Bermudagrass [Cynodon dactylon (L.) Pers.]. Results were as follows: (1) compared with the control, leaf relative water content (LRWC) and chlorophyll (Chl) of Bermudagrass under treatments without water decreased significantly, while relative electrical conduction (RPP), praline (PRO), malondiadehyde(MDA) and activities of superoxide dismuta,se (SOD), catalase (CAT) and peroxidse (POD) increased significantly. However, AM colonization of roots of Bermudagrass and contents of soluble sugar (SC) were not affected by water shortage. (2) AMF inoculation increased AM colonization and SC of Bermudagrass when compared with treatments without AMF. Especially, Bermudagrass with single inoculation of Glomus aggregation or G. Mosseae performed best in treatments without water. (3) AM colonization, LRWC, Chi, RPP, PRO, MDA, SOD, CAT and POD of Bermudagrass did not differ significantly among three P-applied levels.关键词
菌根真菌/施磷量/狗牙根/抗旱性Key words
Arbuscular mycorrhizal fungi (AMF)/Papplication rate/Bermudagrass/Drought resistance分类
农业科技引用本文复制引用
曾秀华,叶少萍,白昌军,辛国荣,罗仁峰..接种丛枝菌根真菌(AMF)及施磷量对狗牙根抗旱性的影响[J].热带作物学报,2011,32(6):1069-1074,6.基金项目
国家自然科学基金(No.31071357)和广东省自然科学基金(No.9251027501000010)项目资助. （No.31071357）
