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Potted rice straw increased the antioxidase activity and growth of Chinese green cabbage seedlings and altered the soil microbial community

文献类型： 外文期刊

作者： Wu, Hong-Sheng 1 ; Wang, Ming-Yan 1 ; Zhou, Ji 4 ; Shi, Xue 1 ; Ren, Qian-Qi 1 ; Li, Ji 1 ; Chen, Su-yun 1 ; Xu, Ya 1 ; Liu, 1 ;

作者机构： 1.Nanjing Univ Informat Sci & Technol, Dept Agr Resources & Environm, Nanjing, Jiangsu, Peoples R China

2.Yangzhou Polytech Inst, Publ Basic Courses, Yangzhou, Jiangsu, Peoples R China

3.Jiangsu Acad Agr Sci, Inst Agr Resources & Environm, Nanjing, Jiangsu, Peoples R China

4.Shanghai Key Lab Meteorol & Hlth, Yangtze River Delta Ctr Environm Meteorol Predict, Shanghai, Peoples R China

关键词： Rice straw-made pot;recyclable utilization of resource;green Chinese cabbage;antioxidase;PCR-DGGE

期刊名称：ARCHIVES OF AGRONOMY AND SOIL SCIENCE （ 影响因子：3.092； 五年影响因子：2.745 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： To reuse rice straw and decrease the environmental pollution and resource waste that are caused by burning rice straw in China, this agricultural resource is increasingly being used to make pots with added formaldehyde and other chemicals for cultivating vegetables. A study was conducted to investigate the effects of rice straw-based pot powder on the growth and antioxidase activity of Chinese green cabbage seedlings and the soil microbial community using a molecular analysis. The results showed that there was no negative effect from the powder on cabbage growth, given that the cabbage plants that were treated with powder (1.2-3.2gkg(-1) rice straw pot powder) exhibited 1.8 to 2.5 times higher fresh biomass than the control (0gkg(-1) powder). Minor differences were found among key reactive oxygen system enzyme activities, but the superoxide dismutase activity decreased by 33-55% (1.2-3.2gkg(-1) powder). The phenylalanine ammonia-lyase activity of green Chinese cabbage that was treated with powder (1.2-3.2gkg(-1) rice straw pot powder) was 1.5 times higher than the no-powder control. The soil microbial diversity was changed, and the community composition was altered depending on the rates of powder application, according to a polymerase chain reaction-denaturing gradient gel electrophoresis analysis.

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