|Table of Contents|

ResearchonControlEffectsofTwoBiocontrolAgentsAgainstFusariumWiltofBitterMelonandtheRootColonizationAbility

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年03
Page:
69-73
Research Field:
Publishing date:

Info

Title:
ResearchonControlEffectsofTwoBiocontrolAgentsAgainstFusariumWiltofBitterMelonandtheRootColonizationAbility
Author(s):
LIUDongping1ZHANGZhongliang1LIMan2WENCaiyi1PIAOFengzhi2SHENShunshan1
(1.CollegeofPlantProtection,HenanAgriculturalUniversity,Zhengzhou,Henan450002;2.CollegeofHorticulture,HenanAgriculturalUniversity,Zhengzhou,Henan450002)
Keywords:
Keywords:biocontrolbacteriaFusariumwiltofbittermeloninhibitionrhizospherecolonization
PACS:
-
DOI:
10.11937/bfyy.20181180
Abstract:
Abstract:‘Ruyu39’bittermelonwasusedasmaterial.InvitroandpotexperimentswereconductedtoresearchontheinhibitoryactivitiesandcontroleffectoftwokindsofK18-5andKH48-5biocontrolagentsagainstFusariumoxysporumandtheirtherootcolonizationabilities.Inordertoprovidequalitybiologicalcontrolresourcesforbalsampearwilt.TheresultsshowedthatK18-5andKH48-5inhibitedthemycelialgrowthandconidiosporegerminationofFusariumoxysporuminvitro.Inpotexperiment,K18-5andKH48-5hadsignificantcontrolpotentialsagainstFusariumwiltandthecontrolefficiencieswere7527%and6911%respectively.Inaddition,K18-5andKH48-5hadstrongcolonizationabilitiesinrhizosphereofbittermelon,thecolonizationdensitieswere245×104cfu?cm-1and460×103cfu?cm-1respectivelywithdoublelayerfilterpapermethod,inpotexperiment,K18-5andKH48-5couldsustainathighpopulationdensitiesinbittermelonrootwhichweremorethan1×103cfu?g-1.

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Last Update: 2019-03-14