VA菌根真菌对玉米生长及根际土壤微生态环境的影响  

Effect of VAM Fungus on the Growth of Core and Micro-ecological environment of Core Rhizosphere

作　　者：潘超美[1] 郭庆荣[2] 邱桥姐[2] 黄湘兰[2] 

机构地区：[1]广州中医药大学中药学院,广东广州510407 [2]广东省生态环境与土壤研究所,广东广州510650

出　　处：《土壤与环境》2000年第4期304-306,共3页Soil and Environmental Sciences

基　　金：广东省"九五"重点科技攻关项目!(99M04204G)

摘　　要：用两种不同的VA菌根真菌 Glomus mosseae 和 Glomus caledonium 接种玉米进行盆栽试验。结果表明，两种菌株均能侵染玉米，促进玉米生长，其中以Glomus caledonium 的侵染率和作用较为明显。接种后，根区土壤中的细菌、放线菌、固氮菌的数量和微生物生物量明显增加，但真菌的数量则稍有下降。此外，菌根的形成也改善了根区土壤的微生态环境，为下一造作物的生长积累了养分基础。Core in sterilized soil was inoculated with two strains of Glomus mosseae and G. caledonium. It was shown that all cores were infected and the growth of core was promoted by the inoculation of two strains, and G.caledonium was efficient than G. mosseae. After infection, the total number of bacteria, actinomycetes, N-fixer in root zone was increased in the whole growing period of core, but that of fungi was decreased slightly. Moreover, it improved the micro-ecological environment in the soil of core rhizoshere after forming micorrhiza with VAM fungus.

关 键 词：VA菌根真菌 玉米 微生态环境 根际土壤 

分 类 号：S513.061[农业科学—作物学] S154