Characteristics of soil microflora of Panax notoginseng in different continuous cropping years
文献类型： 外文期刊
作者： Liu, H. J. 1 ; Yang, X. Y. 1 ; Miao, Z. Q. 1 ; Li, S. D. 1 ; Chen, Y. H. 1 ; Liu, G. 1 ; Hao, L. Y. 1 ; Zhang, Z. L. 1 ;
作者机构： 1.Beijing Univ Chinese Med, Coll Chinese Pharm, Beijing 102400, Peoples R China
2.Chinese Acad Agr Sci, Inst Plant Protect, Beijing 100081, Peoples R China
关键词： Bacterial type; continuous cropping; fungal type; fungi; microbial composition; Panax notoginseng; soil microflora; soil microorganisms
期刊名称：ALLELOPATHY JOURNAL （ 影响因子：0.962； 五年影响因子：0.99 ）
ISSN： 0971-4693
年卷期： 2018 年 44 卷 2 期
页码：
收录情况： SCI
摘要： We examined the soil microbial composition, total number, diversities and the characteristics of soil microflora of P. notoginseng in relation to increase in the continuous cropping years. The results showed that bacteria and fungi were the dominant groups in P. notoginseng microbial communities. In April (emergence period of P. notoginseng), the total number of soil microorganisms decreased initially but then increased. While, in August (flowering period), a reverse trend was seen. The soil microbial community changed from "fungal type" in April to a "bacterial type" in August. Microbial community composition in the new and 1-year cropped soil was similar; both had high microbial diversity "bacterial type". whereas, the 2-years and 3-years continuous cropped soils were similar and had low microbial diversity "fungal type". The soil microflora changed significantly with the seasons and cropping year and these changes may be the cause of P. notoginseng replant failure.
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