摘要
以赣南早脐橙、红肉脐橙和纽荷尔脐橙3个品种脐橙的根际土壤为研究对象,研究不同品种脐橙根际土壤中丛枝菌根真菌(Arbuscular mycorrhizal fungi,AM真菌)群落特征。结果表明:脐橙品种显著影响根际土壤中AM真菌群落α多样性,纽荷尔脐橙根际土壤中的OTU数和ACE指数均显著低于赣南早脐橙和红肉脐橙(P<0.05);在各个菌属中,赣南早脐橙根际土壤中类球囊霉(Paraglomus)的相对丰度显著高于红肉脐橙和纽荷尔脐橙(P<0.05)。冗余分析(RDA)表明,土壤因子中,碱解氮显著影响脐橙根际土壤中AM真菌群落α多样性(F=7.8,P=0.034),速效钾显著影响脐橙根际土壤中AM真菌群落结构(F=2.7,P=0.008)。
The community structures and diversities of arbuscular mycorrhizal(AM)fungi in rhizospheric soil of three navel orange varieties(Citrus sinensis Osbeck cv.GannanZao,Citrus sinensis Osbeck cv.Cara and Citrus sinensis Osbeck cv.Newhall)were investigated and compared with Illumina MiSeq high-throughput sequencing technology.The results show that navel orange varieties significantly affected the communityαdiversity of AM fungi in the rhizospheric soil rather than AM fungal community structure.The OTUs number and the ACE index in rhizospheric soil of navel orange Newhall were significantly lower than those in rhizospheric soil of navel orange Gannan Zao and Cara(P<0.05).Among the genera,the relative abundance of Paraglomus in rhizospheric soil of navel orange Gannan Zao was significantly higher than that in rhizospheric soil of navel orange Newhall and Cara(P<0.05).Redundancy analysis(RDA)shows that alkali-hydrolyzale nitrogen significantly affected the communityαdiversity of AM fungi in rhizospheric soil of navel orange(F=7.8,P=0.034),while available potassium significantly affected AM fungal community structure(F=2.7,P=0.008).
作者
姬绍晖
丁美萍
陈彦芳
房焕英
朱丽琴
邹显花
黄荣珍
李燕燕
王金平
JI Shaohui;DING Meiping;CHEN Yanfang;FANG Huanying;ZHU Liqin;ZOU Xianhua;HUANG Rongzhen;LI Yanyan;WANG Jinping(Jiangxi Key Laboratory of Intelligent Monitoring and Integrated Restoration of Watershed Ecosystem,Nanchang Institute of Technology,Nanchang 330099,China;Meteorological Bureau of Xinfeng County,Ganzhou 341600,China;Jiangxi Provincial Technology Innovation Center for Ecological Water Engineering in Poyang Lake Basin,Nanchang 330029,China)
出处
《南昌工程学院学报》
CAS
2024年第1期51-58,共8页
Journal of Nanchang Institute of Technology
基金
江西省自然科学基金项目(20224BAB215032)
江西省教育厅科学技术研究项目(GJJ201924)
赣鄱俊才支持计划:主要学科学术和技术带头人培养项目(20232BCJ23043)
江西省水利科学院开放研究基金(2022SKTR04)
南昌工程学院大学生创新创业训练计划项目(2022004)。
关键词
脐橙
AM真菌群落
品种差异
高通量测序
土壤化学性质
navel orange
AM fungal community
variety difference
high-throughput sequencing
soil chemical property
