醉蝶花熏蒸对黄瓜根际土壤真菌多样性的影响

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中图分类号：S511 文献标识码：A 文章编号：1671-8151（2025）05-0041-07

Abstract：[Objective]ThisstudyaimedtoinvestigatetheeffectofC.spinosa fumigationonthefungaldiversityintherhizo sphere soil ofcucumbers infected with Fusarium oxysporum.[Methods]Four treatments were appliedto thecucumberrhizo sphere soil：（A）untreatedcontrol;（B）inoculationwithF.oxysporum only;（C）inoculation withF.oxysporum followed by fumigation with 0.05g/kg chloropicrin;（D） inoculation with F.oxysporum followed by fumigation using 6.0g/kg crushed C. spinosaplant material.The fungalcommunities were analyzed via high-throughputsequencingof the ITS region.[Results]The mostabundantfungal generaacross allsampleswereFusarium，Mortierella，Dendrostilbella，Podospora，Pseudomonas， Schizothecium，Alternaria，Penicillium，Aspergillus and Phialemonium. Fumigation with 6.0g/kgC .spinosa significantly reducedtheabundanceofFusarium，whileincreasingtheabundancesofMortierella，Bacilusclarkia，Corynespora，Psedo monas andAspergilus.[Conclusion]C.spinosa fumigationcan enhancetheoverallrichnessanddiversityoffungi incucumber rhizosphere soil.

Keywords：Cleome sinosa，Fusarium oxysporum，Fungi，Rhizosphere microorganism，Microbialdiersity

黄瓜枯萎病菌在土壤中存在已久，致病力强， 防控困难[1。（剩余11148字）