木麻黄青枯病菌小种和菌系的鉴定

被引：20

作者：

梁子超

陈小华

机构：

[1] 华南农学院林学系

[2] 华南农学院林学系 -年研究生

来源：

华南农学院学报 | 1982年 / 01期

关键词：

青枯菌; 木麻黄青枯病; 菌系; 小种;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

从华南沿海各病区采集的6个木麻黄青枯菌分离株,通过对寄主范围、浸润反应和色素形成的测定,均表现能侵染多种茄科植物,而不能侵染香蕉;浸润于烟叶上引致坏死反应;在含L—酪氮酸的培养基上产生大量黑素。因此,确认其属于青枯荫小种1。各分离株均能利用半乳糖醇、山梨糖醇和甘露糖醇产酸,而对乳糖、麦芽糖和纤维二糖的利用能力则不同,分属于Hayward的生化型Ⅲ和Ⅵ。各分离株的其它细菌学特性也稍有差异。根据各分离株的致病性、菌落形态、生化反应和血清反应的差异,上述6个木麻黄青桔菌分离株可划分为三个菌系,SC—1、SC—2和SC—3。

引用

页码：57 / 65

页数：9

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