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期 刊 ：植物保护学报 1994年

关键词：枸杞根腐病；病原菌鉴定；生物学特性；防治；

Keywords:wolfberry root rot pathogen identification biological charac- teristic control,

摘 要 ：宁夏枸杞根腐病普遍发生。作者对其病原进行了分离鉴定,有4种病原菌:尖孢镰刀菌(Fusarium oxysporum Schlecht)、腐皮镰刀菌[F.solani(Mart,)Sacc]、同色镰刀菌(F.concolor Reinking)和串珠镰刀菌(F.moniliforme Sheldon)。其中尖孢镰刀菌致病力最强。对上述病原的生长温度、pH值作了室内测定。此病病原菌能随病株、病残体和病果种子越冬。枸杞不同品种对此病抗性有明显差异。田间积水和根部损伤利于发病。45％代森铵药液灌根对此病有良好的防治效果;培土垄作和中耕时不伤根的防治效果达74.4％。

Abstract:Wolf berry (Lycium barbarum L. )root rot occured widely in Ningxia. There were three types of symptoms, Fusarium spp. were frequently isolated from the roots of the diseased plants and were identified as Fusarium oxysporum Schlecht, F, solani (Mart. ) Sac

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