1题 目： 芽孢杆菌提取物－脂肽类物 质对 党参 灰霉病的 抑制作用 2. 目录摘要 .................................................................................................................................................. 1关键词 .............................................................................................................................................. 11. 前 言 ............................................................................................................................................... 31.1 灰霉病及其防治方法 .............................................................................................................31.2 芽孢杆菌 ................................................................................................................................ 41. 3 研究目的及意义 ..................................................................................................................... 42. 材料与方法 ................................................................................................................................... 52.1 供试材料 ................................................................................................................................ 52 .2 方法 ........................................................................................................................................52.2.1 芽孢杆菌发酵及制备粗提物 ..........................................................................................52.2.2 粗提物的分离与纯化 ......................................................................................................52.2.3 芽孢杆菌粗提物对灰霉菌分生孢子萌发影响 ..............................................................52.2.4 芽孢杆菌粗提物对离体叶片发病率影响 ......................................................................62.3 数据统计与分析 ........................................................................................
