{"title":"The first report of Colletotrichum nymphaeae associated with anthracnose disease of Malayan apple","authors":"Manjunatha L, Karunakaran G, Venkataravanappa V, Shilpa K.G, Singh S.K","doi":"10.1007/s13314-024-00544-3","DOIUrl":null,"url":null,"abstract":"<div><p>The Malayan apple is a tropical fruit known by various names, such as red guava and Malay rose apple. Originating in Southeast Asia, it has shifted from being an ornamental tree to being cultivated in India to meet global demand. Well-known for its health benefits, the fruit is rich in vitamins, minerals, and antioxidants. In May 2023, Malayan apple trees in Karnataka, India, displayed anthracnose symptoms, with a 20–25% disease incidence. The fungus <i>C. nymphaeae</i> was isolated, identified, and confirmed through multigene phylogeny. Its pathogenicity was validated by artificially infecting Malayan fruits, causing anthracnose symptoms and fulfilling Koch’s postulates. This represents the initial documented occurrence of <i>C. nymphaeae</i> causing anthracnose in the Malayan apple in India and the world, emphasizing the significance of this research in disease management.</p></div>","PeriodicalId":45862,"journal":{"name":"Australasian Plant Disease Notes","volume":"19 1","pages":""},"PeriodicalIF":0.6000,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Australasian Plant Disease Notes","FirstCategoryId":"1085","ListUrlMain":"https://link.springer.com/article/10.1007/s13314-024-00544-3","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PLANT SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
The Malayan apple is a tropical fruit known by various names, such as red guava and Malay rose apple. Originating in Southeast Asia, it has shifted from being an ornamental tree to being cultivated in India to meet global demand. Well-known for its health benefits, the fruit is rich in vitamins, minerals, and antioxidants. In May 2023, Malayan apple trees in Karnataka, India, displayed anthracnose symptoms, with a 20–25% disease incidence. The fungus C. nymphaeae was isolated, identified, and confirmed through multigene phylogeny. Its pathogenicity was validated by artificially infecting Malayan fruits, causing anthracnose symptoms and fulfilling Koch’s postulates. This represents the initial documented occurrence of C. nymphaeae causing anthracnose in the Malayan apple in India and the world, emphasizing the significance of this research in disease management.
马来苹果是一种热带水果，有多种名称，如红番石榴和马来玫瑰苹果。它原产于东南亚，为满足全球需求，已从观赏树转变为在印度种植。这种水果富含维生素、矿物质和抗氧化剂，以其对健康的益处而闻名。2023 年 5 月，印度卡纳塔克邦的马来亚苹果树出现炭疽病症状，发病率为 20-25%。通过多基因系统发育分离、鉴定和确认了真菌 C. nymphaeae。通过人工感染马来亚水果，使其出现炭疽病症状，验证了其致病性，并符合科赫定理。这是印度乃至世界上首次记录到 C. nymphaeae 在马来亚苹果中引起炭疽病的发生，强调了这一研究在病害管理中的重要意义。
期刊介绍：
Australasian Plant Disease Notes is an international journal for publication of short reports from all countries which describe original research that transcends national boundaries. All aspects of plant pathology are covered including new geographical records of diseases or pathogens, new pathogens or pathogen strains, taxonomic papers, quarantine notes, disease management and diagnostic methods. Australasian Plant Disease Notes is a publication of the Australasian Plant Pathology Society.
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