不同植物提取物对串珠镰刀菌的抑制作用

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关键词：植物提取物；香附子（Cyperus rotundusL.）；串珠镰刀菌（Fusarium moniliforme）；抑制作用

中图分类号： Q946.88;S482.2+92 文献标识码：A

文章编号：0439-8114（2025）07-0074-05

DOI：10.14088/j.cnki.issn0439-8114.2025.07.013 开放科学（资源服务）标识码（OSID）：回

The inhibitory effects of different plant extracts against Fusarium moniliforme

FANMeng1，YINYu-ling²，ZHAOMing-qi1，LIKuo1，ZHANGXing-li’，JIAOXiao- ⋅lu1 ，LIUJia-nan 1 ，LIYun-peng （1.College of Advanced Agriculture and Ecological Environment，Heilongjiang University，Harbin 15o08o，China; 2.InstituteofVegetables andFlowers，Jiangxi Academy of Agricultural Sciences，Nanchang 3302Oo，China）

Abstract：Inordertoinvestigatetheihbtoryfectsofextractsfromsixplants，namelyCyperusrotundusL，Euonymus mckiRupr.，AdenophorastrictaMiq.，RheumpalmatumL.，ortexFraxini，andHelianthus tuberosusL.onFusariummoniliforme，thegowth ratemethodwasusedtosrentheethanolcrudeextractswithstrongantibacterialactivityfromthesixplants.Then，asrisofpolar solventssuchaspetroleumetherwereusedtoextractthescreenedethanolcrudeplantextracts.Theinibitionrateofeachextracton mycelialgrowthwasdetermined，thevirulencediferencsofachextractiniibiting mycelialgrowthwereanalyzd，theantextractwiththestrongestinibitoryeffectonFusariummonilfomewasscreenedout，andtheinbitoryefectoftisplantextracton sporegermination，aswellas isfectsonmycelialmorphologyandcellembranepermeabilityweredeterined.Theesultsshowed thattheethanolcrudeextractsofCyperusrotundusandEuonymus maackihadsignificantlyhigherinibitoryefectsonthemycelial growthofFusarummoniliformethanthecrudeextractsofotherplants，butterewasnosignificantdiferecebetweethem.Among thepolarextractionsolventsofCyperusrotundusandEuonymus maachi，thepetroleumetherextractsshowedsignificantantibacterial activity，andtheantibacterialefectoftepetroleumetherextractofCyperusrotuduswassignificantlyhigherthanthatofEuonyus maacki.The median inhibitory concentration （ IC50 ）of the two on mycelial growth were 6.076 6 mg/mL and 16.736 3 mg/mL，respectively. The IC50 of the petroleum ether extractof Cyperus rotundus on spore germination was 7.7217 mg/mL.This extractcould lead to abnormal mycelial growth and damage the semi - permeability of the mycelial cell membrane.

Key Words：plant extracts；Cyperus rotundus L.;Fusarium moniliforme; inhibitory effects

串珠镰刀菌（Fusariummoniliforme）隶属于无性型真菌，属于丝孢纲瘤座菌目镰孢属1]。（剩余7152字）