多肉植物‘静夜'黑腐病的病原菌鉴定
Identification of the pathogen causing stem and leaf black rot on Echeveria derenbergii
查看参考文献15篇
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文摘
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多肉植物是深受全球消费者喜爱的观赏植物,具有品种多样、形态小巧、耐旱、易繁殖等特点。多肉植物在栽培过程中易受黑腐病、白粉病、锈病和炭疽病等病害的侵害。其中,黑腐病引起叶片和茎部黑腐,导致植株枯萎,严重影响多肉植物的观赏和经济价值。已有研究发现,多种真菌在不同多肉植物上能引起相似的黑腐症状。例如,山扁豆生棒孢(Corynespora cassiicola)引起‘翡翠景天'(Sedum morganianum)黑腐病;暹罗炭疽菌(Colletotrichum siamense)引起‘青星美人'(Pachyphytum)黑腐病;层出镰刀菌(Fusarium proliferatum)引起‘蓝石莲' (Echeveria desmetiana)黑腐病;尖孢镰刀菌(F.oxysporum)和群结腐霉(Pythium myriotylum)引起‘冬云' (E.agavoides)黑腐病。因此,明确不同多肉品种黑腐病的病原菌是预防和控制该病害的前提。 |
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其他语种文摘
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Stem and leaf black rot is one of the main diseases in succulent production.In June 2021,we collected 25 diseased plants of Echeveria derenbergii with stem and leaf black rot symptoms in a greenhouse located in Kunming,Yunnan Province.Twenty isolates displaying the similar morphological features of macroconidia and microconidia with the description of Fusarium genera were obtained using tissue separation and single spore purification methods.The representative isolate KMJY6 used for pathogenicity test showing the same disease symptom typical on plants of E.derenbergii was identified as Fusarium oxysporum based on the morphological characters and phylogenetic analysis.To our knowledge,this is the first report of F.oxysporum causing stem and leaf black rot on E.derenbergii in China. |
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来源
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植物病理学报
,2023,53(5):981-985 【核心库】
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DOI
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10.13926/j.cnki.apps.000842
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关键词
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德氏针茅
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多肉植物
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黑腐病
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尖孢镰刀菌
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地址
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1.
云南大学农学院/资源植物研究院, 昆明, 650000
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云南大学生命科学学院, 昆明, 650000
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0412-0914 |
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学科
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植物保护 |
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基金
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国家自然科学基金
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云南省基础研究计划项目
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文献收藏号
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CSCD:7616505
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