植物营养与肥料学报2012,Vol.18Issue(4):922-931,10.
不同栽培模式对黄瓜根际土壤酶活性及细菌群落结构的影响
Effects of cultivation modes on soil enzyme activities and bacterial community structures in the cucumber rhizosphere
摘要
Abstract
To solve the problem of soil degradation with the increase of continuous cropping years, changes of rhizosphere soil enzyme activities and bacterial community structures under different cultivation modes were studied. The cultivation modes (accompany and intercropping) were set up with cucumber as the main crop. Wheat and oats were accompanied with cucumber, respectively, and Chinese onion, Chinese cabbage and celery were intercropped with cucumber, respectively. The results suggest that the soil catalase activities are increased when cucumber is cultivated with wheat, oats and Chinese onion, the soil urease activities are increased under the celery treatment, and the soil invertase activities are increased significantly in all cultivation modes. The results of the cloning and sequencing of DGGE bands amplified from cucumber rhizospheric soil samples show a high homology to uncultured bacterial species. The bands in cucumber rhizosphere soil are affiliated with Alphaproteobacteria, Betaproteobacteria, Sphingobacteria and Gemmatimonadetes. This study shows that soil enzyme activities and soil bacterial community structures are influenced by different cultivation modes, the soil environment is influenced by the cultivation modes, and the accompanied with wheat is a better mode of cucumber.关键词
栽培模式/黄瓜/土壤酶/细菌群落结构Key words
cultivation mode/cucumber/soil enzyme activities/bacterial community structures分类
农业科技引用本文复制引用
韩哲,刘守伟,潘凯,吴凤芝..不同栽培模式对黄瓜根际土壤酶活性及细菌群落结构的影响[J].植物营养与肥料学报,2012,18(4):922-931,10.基金项目
国家“973”项目 ()
国家自然科学基金 ()
大宗蔬菜产业技术体系专项(CARS-25-08)资助. ()