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冀北水稻田土壤细菌群落结构和多样性研究

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为探讨冀北水稻田土壤细菌群落结构和多样性,以承德地区水稻主产区(河北隆化,河北滦平)稻田土壤为试验材料,采用高通量测序技术,对水稻大田土壤细菌群落结构和多样性进行研究。结果 表明:不同地区水稻田土壤微生物多样性存在差异,其中样本ZYY。CKD9 中微生物多样性最高且有益菌较多,主要有硫杆菌属(Thiobacillus)、拟衣藻属(Dechloromonas)和地杆菌属(Geobacter);但也存在共有细菌菌群,如Kaistobacter、溶杆菌属(Lysobacter)、乳酸杆菌属(Lactobacillus)、Candidatus_Solibacter、硫杆菌属(Thiobacillus)、红长命菌属(Rubrivivax)、拟衣藻属(Dechloromonas)、Anaeromyxobacter、硝化螺旋菌属(Ni-trospira)等;PCA分析结果显示,土壤细菌群落结构空间相关性不明显。这为冀北水稻田土壤修复、病害防治及功能菌肥开发,促进水稻高产栽培提供依据。
Bacterial Community Structure and Diversity in Paddy Fields in North Hebei
To explore structure and diversity of soil bacterial communities in paddy fields in North Hebei,soil samples were collected from 10 main producing areas in Longhua and Luanping in Hebei.High-throughput se-quencing technology was used to investigate the community structure and diversity of soil bacteria in paddy fields.The results showed that ZYY.CKD9 had the highest microbial diversity and a large number of beneficial bacteri-a,including Thiobacillus,Dechromonas,and Geobacter;However,there were also common bacterial communi-ties such as Kaistobacter,Lysobacter,Lactobacillus,Candidatus_Solibacter,Thiobacillus,Rubrivivax,Dechlo-romonas,Anaeromyxobacter,Nitrospira;The PCA analysis results showed that the spatial correlation of soil bac-terial community structure was not significant.This study provides a basis for soil restoration,disease prevention and control,and the development of functional bacterial fertilizers to promote high-yield cultivation of rice in North Hebei.

RiceRhizosphere soilHigh-throughput sequencingBacteria

张莹莹、张婷、王田雄、朱旭冉、张立军、石爱丽

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承德市农林科学院,河北 承德 067000

水稻 根际土壤 高通量测序 细菌

承德市科技局承德市基础研究项目(2022)承德市农林科学院自主科研项目

202205B064202301A010

2024

陕西农业科学
西北农林科技大学

陕西农业科学

CSTPCD
影响因子:0.388
ISSN:0488-5368
年,卷(期):2024.70(4)
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