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本研究鉴定广州市鸡冠花叶疫病病原为砖红镰刀菌鸡冠花专化型(fusariumIateritiumNeesemendSnyd.&Hans.f.sp.celosiaeMatuoT.),此专化型为国内首次报道.该菌在20—35℃下可以侵入并引起发病;孢子萌发和菌丝生长的温度为15—35℃,最适温度为25—30℃.每年9—11月份,广州市各公园普遍发生,为害严重.
In this study, it was identified that the pathogen of cellar disease in Guangzhou was Fusarium Iateritium NeesemendSnyd. & Hans.f.sp.celosiaeMatuoT. This special type was first reported in China. The bacteria invade at 20-35 ℃ and cause disease; spore germination and hypha growth temperature of 15-35 ℃, the optimum temperature of 25-30 ℃. From September to November each year, parks in Guangzhou City are commonplace, causing serious damage.