花生与药材套种对土壤微生物区系的影响

应用生态学报

花生与药材套种对土壤微生物区系的影响

谢慧¹;王兴祥²;戴传超¹;陈佳昕¹;张桃林²

¹南京师范大学生命科学学院江苏省生物多样性与生物技术重点实验室，南京 210097；
²中国科学院南京土壤研究所，南京210008

收稿日期:2006-03-24 修回日期:2007-01-07 出版日期:2007-03-18 发布日期:2007-03-18

Effects of intercropping peanut with medicinal plants on soil microbial community

XIE Hui¹; WANG Xing-xiang²; DAI Chuan-chao¹; CHEN Jia-xin¹; ZHANG Tao-lin²

¹Key Laboratory for Biodiversity and Biology Technology of Jiangsu Province, College of Life Science, Nanjing Normal University, Nanjing 210097, China;
2Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China

Received:2006-03-24 Revised:2007-01-07 Online:2007-03-18 Published:2007-03-18

摘要/Abstract

摘要： 通过茅苍术、京大戟、黄姜（盾叶薯蓣）、半夏和阔叶麦冬5种药用植物与花生套种的盆栽试验，测定了不同时期花生土壤中的细菌、放线菌、霉菌和酵母菌数量，探讨利用药用植物套种花生缓解花生连作障碍的可行性.结果表明：茅苍术组和京大戟组抑制土壤霉菌效果最好，在花生花针期分别比对照组减少了53.87%和29.59%；在花生收获后的土壤中霉菌数量增加，有利于物质循环和养分还田.茅苍术、京大戟和半夏组土壤中细菌数量增加. 在花生花针期，5种药用植物套作组土壤中酵母菌数量均高于对照.霉菌形态鉴定结果表明，在茅苍术、京大戟和黄姜套作组中均未检测出花生常见病原菌.药用植物和花生套种可以有效调节土壤微生物区系.

关键词: 矿区土壤, 重金属污染, 微生物特征, 群落结构

Abstract: With pot experiment, this paper studied the quantitative variations of bacteria, actinomyces, mould and yeast in soils of peanut intercropped with medicinal plants, aimed to test if such an intercropping pattern could remove the obstacles of peanut’s continuous cropping. The results showed that Atractylodes lancea and Euphorbia pekinensis had the strongest inhibitory effect on mould. Compared with CK (mono-cropping peanut), the CFU of mould in the treatments inter-cropped with A. lancea and E. pekinensis was decreased by 53.87% and 29.59%, respectively during flowering-pegging stage of peanut, but increased after harvesting, which was in favor of substance circulation and nutrient returning. The CFU of bacteria in treatments intercropped with A. lancea, E. pekinensis and Pinellia ternate was all increased, and that of yeast in all five intercr-opping treatments was increased during the flowering-pegging stage of peanut. No familiar pathogens were found in the treatments intercropped with A. lancea, E. pekinensis and Diosoren zingiberebsis. Peanut intercropped with medicinal plants could regulate soil microbial community effectively.

Key words: Mine soils, Heavy metal pollution, Soil microbial characteristics, Community structure

谢慧¹;王兴祥²;戴传超¹;陈佳昕¹;张桃林². 花生与药材套种对土壤微生物区系的影响[J]. 应用生态学报.

XIE Hui¹; WANG Xing-xiang²; DAI Chuan-chao¹; CHEN Jia-xin¹; ZHANG Tao-lin² . Effects of intercropping peanut with medicinal plants on soil microbial community[J]. Chinese Journal of Applied Ecology.

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