烟草黑胫病烟株根际土壤微生物群落分析

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关键词烟草黑胫病;根际土壤；细菌；真菌中图分类号S435.72文献标识码A文章编号 0517-6611（2026）07-0124-07doi：10.3969/j. issn. 0517-6611.2026. 07. 021

Abstractbetive]Tostudytheeetoftbaccblackshankdiseaseocurneonzospheresoilacterialandfungalots， andtidentifotalctostigteotsolbalmuiietdmpasfspeslctdu galcommunitisinaltdsuseptibltbacolantsbyetagencsqueintalyteelioshietwenmicobaloi tiesandenviroentalfactors.esultungalomunitydiersityreasedomparedihaltyolomuities，hilefungldc terialcommunitiesdereaseedAalysisofferencesincomunitycompositionshoedatthabundanceofpobioticbacteriaschas Sphingomonasiceasedileedonobctercreadndebdanceffungaomunitygusiceasedilespeilusd Rhizopusdereasdinilofalobcoantshesielaoetwnaaiodrni phorus，andoancadsilctealomufalccantdsulsofoelaial leveloffungalcomisvealedatteaapsiioelationtnfstactiotassialalisoldg andrhizospheresoilfungalcommunitiesofealthytobaccoplants.Conclusion]Comparedwithhealthyhzospheresoil，theabundancef bacteriandfungalcomunitiseneficialbacterialabudan，gaicaeralkalinitrognndfectieosporuscoet creased，while the diversity of fungal community increased.

Keywords Tobacco black shank disease;Rhizosphere soil;Bacteria;Fungi

土壤是影响烟草品质的关键因素，其真菌、细菌、病毒等微生物群落影响烟草的生长发育过程[1-2]。（剩余13015字）