毕 业 论 文题 目：石榴贮藏期褐斑病防治的讨论学 院：轻化工程学院专 业：食品质量与安全学生姓名：李少华学 号：1104090037年级：2025 级指导老师：姚 昕完成时间：2025 年 5 月 20 日目 录摘要........................................................................1关键词......................................................................1Abstract....................................................................1Key words...................................................................10 前言......................................................................11 材料和方法................................................................21.1 材料.................................................................21.2 试验方法.............................................................21.2.1 PDA 培育基的制备和灭菌..........................................21.2.2 分离纯化.......................................................21.2.3 病原菌的形态特征观察...........................................31.2.4 病原菌的科赫氏法则鉴定.........................................31.3 不同药剂对石榴果褐斑病的室内毒力测定.................................31.3.1 供试药剂.......................................................31.3.2 室内毒力初筛测定方法...........................................31.3.3 室内毒力复筛测定方法...........................................41.3.4 食品添加剂对石榴病害防治.......................................41.4 数据处理.............................................................52 结果与分析................................................................52.1 病原菌鉴定...........................................................52.1.1 症状观察.......................................................52.1.2 病原菌的培育性状及形态特征.....................................52.1.3 病原菌科赫氏法则鉴定...........................................62.2 不同防腐剂对病原菌的室内毒力测定与分析...............................62.2.1 不同食品添加剂对病原...
