首页|桑树轮纹病病原菌的分离鉴定及其生物学特性研究

桑树轮纹病病原菌的分离鉴定及其生物学特性研究

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2012年6~8月,通过对桑树轮纹病病原菌分离、田间致病性测定、病原菌形态观察,将该病原菌鉴定为桑膝节霉,并对此病病原菌的生物学特性进行了研究。结果表明,不同培养基配方、温度、酸碱度、碳源、氮源、光照对桑树轮纹病病原菌菌丝的生长有一定影响,菌丝生长的最适宜培养基是理查培养基,最适温度是25℃,最适pH值是7.0,最适碳源为葡萄糖,最适氮源为蛋白胨,光照对菌丝生长无显著性差异,菌丝的致死温度和时间分别为85℃和10 min。对该病病原菌生物学特性研究为云南首次报道,对桑树轮纹病的防治具有一定的参考价值。
Isolation and Biological Characteristics of Pathogenic Fungus Causing Ring Rot on Mulberry Leaves
From June to August , 2012, the pathogenic fungi of mulberry ring rot disease was isolated , its pathoge-nicity was determined in the feild , its morphology was observed , and this pathogenic fungus was identified as Gona-tophragmium mori.Study on the biological characteristics of the pathogenic fungus showed that medium , tempera-ture , pH, carbon source , nitrogen source and light had certain influence on mycelial growth , the optimal media for mycelial growth was Richard media , the optimum temperature for mycelial growth was 25℃and pH value was 7, the best carbon source and nitrogen source for mycelial grow are glucose and peptone , light had no significant effects on mycelial growth , the mycelial couldn ’ t survive above 85℃for 10min.This is the first report on the study of Gonato-phragmium mori in Yunnan , and could provide reference on mulberry ring rot disease prevention and control .

Mulberrymulberry ring rot diseasepathogenic fungusbiological characteristicsGonatophragmi-um mori

章一鸣、赵雁、吴庭观、应虹、何永宏、张泽、徐升胜

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云南农业大学 植保学院,云南 昆明650201

云南农业大学 园林园艺学院,云南 昆明 650201

桑树 桑树轮纹病 病原菌 生物学特性 桑膝节霉

云南省农业厅项目

2014

西部林业科学
云南省林业科学院 云南省林学会

西部林业科学

CSTPCD
影响因子:0.807
ISSN:1672-8246
年,卷(期):2014.(3)
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