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实验四 根肿菌纲、卵菌纲及壶菌纲真菌形态的观察(一)

实验四 根肿菌纲、卵菌纲及壶菌纲真菌形态的观察(一). 一、目的要求 了解根肿菌纲、卵菌纲和壶菌纲真菌的主要形态特征,掌握与植物病害有关的重要属的形态特征、分类依据及所致病害的症状特点。. 二、实验内容和方法. (一)根肿菌纲( Plasmodiophoromycetes ) 1 十字花科根肿病:芸薹根肿菌 Plasmodiophora brassicae (玻片) —— 观察休眠孢子 (二)壶菌纲( Chytridiomycetes ) 2 玉米褐斑病:玉蜀黍节壶菌( Physoderma

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实验四 根肿菌纲、卵菌纲及壶菌纲真菌形态的观察(一)

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  1. 实验四 根肿菌纲、卵菌纲及壶菌纲真菌形态的观察(一) 一、目的要求 • 了解根肿菌纲、卵菌纲和壶菌纲真菌的主要形态特征,掌握与植物病害有关的重要属的形态特征、分类依据及所致病害的症状特点。

  2. 二、实验内容和方法 (一)根肿菌纲(Plasmodiophoromycetes) • 1 十字花科根肿病:芸薹根肿菌Plasmodiophora brassicae(玻片)——观察休眠孢子 (二)壶菌纲(Chytridiomycetes) • 2 玉米褐斑病:玉蜀黍节壶菌(Physoderma maydis)(自制观察)——观察休眠孢子囊

  3. (三)卵菌纲(Oomycetes) • 3 牵牛花白锈病:白锈菌Albugo candida(玻片、材料、自制观察)——观察孢囊 梗及孢子囊 • 4 马铃薯晚疫病:致病疫霉Phytophthora infestans(玻片、材料、自制观察)——观察孢囊梗及孢子囊

  4. 作业: • 1 绘玉米褐斑病的休眠孢子。 • 2 绘马铃薯晚疫病菌的孢囊梗及孢子囊的形态图。

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