Analyses of the community compositions of root rot pathogenic fungi in the soybean rhizosphere soil
文献类型: 外文期刊
第一作者: Cui, Jiaqi
作者: Cui, Jiaqi;Han, Jie;Cai, Baiyan;Wang, Yu
作者机构:
关键词: Community composition;continuous cropping;Glycine max;PCR-DGGE;root rot disease
期刊名称:CHILEAN JOURNAL OF AGRICULTURAL RESEARCH ( 影响因子:1.677; 五年影响因子:1.806 )
ISSN: 0718-5839
年卷期: 2016 年 76 卷 2 期
页码:
收录情况: SCI
摘要: Soybean (Glycine max [L.] Merr.) root rot is an important disease of soybean under continuous cropping, and root rot is widely distributed throughout the world. This disease is extremely harmful, and it is difficult to prevent and control. The study aimed to elucidate the composition of root rot pathogenic fungal communities in the continuous cropping of soybean. In this study, we employed PCR-DGGE technology to analyze the communities of root rot pathogenic fungi in soybean rhizosphere soil subjected to continuous cropping during a season with a high incidence of root rot in Heilongjiang province, China, the main soybean producing area in China. The results of 13 DGGE bands were analyzed by phylogenetic revealed that the predominant root rot pathogenic fungi in rhizosphere soil in the test area were Pythium ultimum and Fusarium species. The results of cluster analysis showed that the duration of continuous cropping, the soybean variety and the plant growth stage all had significant effects on the diversity of root rot pathogenic fungi in rhizosphere soil.
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