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Application of Rice Straw Inhibits Clubroot Disease by Regulating the Microbial Community in Soil

文献类型： 外文期刊

作者： Han, Zhe 1 ; Zhang, Yiping 3 ; Di, Chengqian 3 ; Bi, Hongwen 1 ; Pan, Kai 3 ;

作者机构： 1.Heilongjiang Acad Agr Sci, Inst Agr Remote Sensing & Informat, Harbin 150086, Peoples R China

2.Heilongjiang Acad Agr Sci, Postdoctoral Program, Harbin 150086, Peoples R China

3.Northeast Agr Univ, Coll Hort & Landscape Architecture, Harbin 150030, Peoples R China

关键词： rice straw; Chinese cabbage; clubroot; soil microbes; Illumina MiSeq

期刊名称：MICROORGANISMS （ 影响因子：4.5； 五年影响因子：4.8 ）

ISSN：

年卷期： 2024 年 12 卷 4 期

页码：

收录情况： SCI

摘要： Straw return is an effective agricultural management practice for alleviating soil sickness, but only a few studies have focused on the incorporation of straw with deep plowing and rotary tillage practices in vegetable production. To determine the effects of rice straw return on Chinese cabbage clubroot, a field experiment for three consecutive years in the same area was performed. Soil microbial high-throughput sequencing, quantitative real-time polymerase chain reaction (PCR) and other methods were used to detect Chinese cabbage plant growth, clubroot occurrence, soil chemical properties and soil microbial diversity and abundance. The results showed that straw addition could significantly reduce the clubroot disease incidence. Through Illumina Miseq sequencing, the diversity of the fungi decreased obviously. The relative abundance of the phyla Proteobacteria and Firmicutes was strikingly reduced, while that of Chloroflexi was significantly increased. Redundancy analysis suggests that soil properties may also affect the soil microbial composition; changes in the microbial structure of bacteria and fungi were associated with the available phosphorus. In conclusion, the continuous addition of rice straw can promote the growth and control the occurrence of clubroot, which is closely related to the microbial composition, and the inhibition effect is proportional to the age of addition.

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