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灯台树叶枯病病原菌的鉴定及其生物学特性

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采用传统形态学和分子生物学相结合方法对灯台树(CornuS controversum)叶枯病病原菌进行鉴定,并采用室内培养法对病原菌的生物学培养特性进行研究.结果表明,引起灯台树叶枯病的病原菌为芜菁链格孢(Alternaria napiformis Purk.et Mall.).适合菌丝生长的温度为20~35℃,适宜pH值的范围6~8,最佳碳源为乳糖,最佳氮源为酵母粉,适宜培养基为植物浸汁培养基.
Pathogen Identification and Biological Characteristics of Cornus controversum Leaf Blight
The leaf blight fungus of Comus controversum was idendified by combining the traditional morphologicical and molecular biological methods.The biological properties of pathogens were examined.The results showed that the pathogenic bacterium was Alternaria napiformis.The optimum temperature for myceliμm growth was 20-35℃ and the optimum range of pH was 6-8.The myceliμm grew best on the media with lactose as carbon source,yeast as nitrogen resource and the optimum medium for the myceliμm growth was vegetable juice medium.

Cornus controversumpathogenic fungus identificationAlternaria napiformisbiological property

高国平、谢皖豫、王月、马腾飞、马骏

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沈阳农业大学林学院,辽宁沈阳110161

灯台树 病原菌鉴定 芜菁链格孢 生物学特性

2016

西北林学院学报
西北农林科技大学

西北林学院学报

CSTPCDCSCD北大核心
影响因子:1.078
ISSN:1001-7461
年,卷(期):2016.31(5)
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