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期 刊 ：植物保护学报 1989年

关键词：黄花；叶斑病；防治；病原菌；

Keywords:Hemerocallis minor, Fusarium cencolor, control,

摘 要 ：根据不同黄花菜品种叶和花苔病斑上分离的病菌交互接种以及病原形态镜检,PDA培养基上24℃生长速度,认为黄花菜叶斑病病原为Fusarium cencolor Rg.。病菌初侵染来源为上一年病叶、花苔与土壤。低温多雨年份易造成病害流行。秋冬季清除病叶、花苔,培无病土,施足基肥,春季苗期不追氮肥,发病始期开始喷70％甲基托布津可湿性粉剂1000倍液,每7天1次,连续3次,可以收到防病增产的效果。

Abstract:According to pathogenicity and morphology of pathogens isolatedfrom lesions on the leaves and pedicels of different varieties of grassleafdaylily,the pathogen was identified as Fusarium cencolar Rg.Thesource of primary infection of the pathogens come from

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