玉溪市红塔区草莓红中柱根腐病病原分离鉴定和杀菌剂抑菌效果研究

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关键词草莓红中柱根腐病；病原菌分离鉴定；抑菌效果

中图分类号 S436.68+4 文献标识码A

文章编号 0517-6611（2025）20-0129-05

doi：10.3969/j.issn.0517-6611.2025.20.028

AbstractToisolateaddentifhepathognofstrawerdsteleoootndtodeteetebioftoffungicidesoey lialgrowthoftpathoenstrodefercefothdotroloftrabdeletopathonofrabdtele rotrotwasiolatedadidentifedfromstraberrfeldsiHongtaDistrictofYuxiCityteiibitioneectsofOfungicidesonthea growthofthepthognweredtermnedbymycelialgowthatemetod.TesultshowedthatColetotrichumsiamensewasthepathogencau singstrawberdstelerootinHgtaDtrictAlltefungicesdsoebioyfectsonthmylialgowthoftsdseas Prochloraz had the strongest inhibitory activity on the mycelial growth of strawberry anthracnose， EC50 was 0.0655mg/L ， followed by prochloraz manganese salt and difenoconazole， EC50 were 0.141 4 and 6.560mg/L ，respectively. Kresoxim-methyl was the worst， EC50 was 30483mg/L

Key wordsStrawberry red stele root rot;Pathogen isolation and identification;Inhibitory effect

草莓（Fragaria ananassa Duchesne），属蔷薇目（Rosales）蔷薇科（Rosaceae）蔷薇亚科（RosoideaeFocke）草莓属（Fra-gariaL.）宿根性多年生草本植物。（剩余8019字）