不同施磷处理对As污染土壤三七皂苷及黄酮的影响

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关键词 磷肥；三七;As污染土壤；三七皂苷；黄中图分类号S567.23文献标识码A文章编号 0517-6611（2025）21-0181-04doi 10.3969/j .issn.0517-6611.2025.21.035

AbstractOectiodertoivestigatetectsofpospatefertlierotegrothdqaltofanaxnotoginseginAsltd soil.[Method]The effects of different phosphate application treatments（O，120，240，36O，and 512kg/hm2 ）on As pollution[ 80mg/kg As （using NA3ASO4⋅12H2O As thereagent）]and notoginsenoside and flavone contents in diferent parts of Panax notoginseng were studied by themethodcombiningfieldivestigationandindoorpotxperiments.Result]Teaplicationofphosphorusfertilizerpromotedtheplant height，leafsi，ptiolelngthndterorpologicalidexesofrialpartsofanaxotoginsengAmongte，P3treatmentwate best，and its plant height was significantly increased by 86.51% compared with CK.All phosphorus treatments significantly reduced soil As content，and P3 treatment decreased the most by 18.05% ，the content of As in different parts of Panax notoginseng decreased obviously under P3 treatment. The content of As in stems，leaves and taproots decreased by 56.68% and 52.50% under P3 treatment，respectively. PhosphateapplicatioicreaedthontetoffavoeinstesleavsandotsofPnaxotogseng，3wasthesttreatmentoaedi CK，thecontntfvoiceasdby.tind3.6isspcielyeotetofotogsosideiditarsf Panaxnotogsngasotostntuderdiferentpospustreatents，andpspusfertlierasalsoeneicaltoecatio ofRglandRblcontentsinPanaxNotoginseng.onlusionReasonableapplicationofphosporusfertilizercanefectivelyimprovethe growth and quality of Panax notoginseng in As pollued soil.

Key WordsPhosphate fertilizer;Panax notoginseng;As pollued soil;Notoginsenoside ;Flavone

三七［Panaxnotoginseng（Burk.）F.H.Chen]为五加科人参属多年生阴性宿根草本植物，其根、茎、叶、花均可入药，其中根部是我国特有的名贵中药材，具有“金不换”和“南国神草”的美誉。（剩余8247字）