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广西桉树溃疡病病原菌鉴定

Identification of Pathogenic Spot Canker on Stem of Eucalyptus in Guangxi

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对广西区内南宁、崇左、钦州、梧州、玉林、河池等市的桉树溃疡病进行病害调查、病原菌分离及致病性测定,采用病原菌形态特征结合基因分子系统学分析方法对病原菌进行鉴定,为防治桉树溃疡病提供病原学基础.结果表明,引起广西桉树溃疡病的病原菌分别是桉壳囊孢菌(Cytospora eucalypticola)、小新壳梭孢菌(Neofusicoccum parvun)和一种新的桉树溃疡病致病菌——可可毛色二孢菌(Lasiodiplodia theobromae).
Spot canker survey,pathogen isolation and identification of Eucalyptus in several cities of Guangxi such as Nanning,Chongzuo,Qinzhou,Wuzhou,Yulin and Hechi were performed.The pathogen was identified through morphological characteristics and genetic molecular analysis,which could lay an etiology foundation for preventing and treating Eucalyptus canker.The results showed that the pathogen causing canker was Cytospora eucalypticola,Neofusicoccum parvum and Lasiodiplodia theobromae,of which Lasiodiplodia theobromae was a newly-found canker pathogen.

Eucalyptus spp.CankerPathogen identification

廖旺姣、邹东霞、黄乃秀、吴耀军

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广西壮族自治区林业科学研究院/国家林业局中南速生材繁育实验室/广西优良用材林资源培育重点实验室,广西南宁530002

桉树 溃疡病 病原菌鉴定

广西自然科学基金

2013GXNSFBA019101

2016

10.16213/j.cnki.scjas.2016.08.023

西南农业学报
四川,云南,贵州,广西,西藏及重庆省（区,市）农科院

西南农业学报

CSTPCDCSCD北大核心
影响因子：0.679
ISSN：1001-4829
年,卷(期)：2016.29(8)
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