Australasian Plant Disease Notes最新文献

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First report of Botryosphaeria dothidea causing fruit rot on Choerospondias axillaris in China
IF 0.6
Australasian Plant Disease Notes Pub Date : 2024-12-27 DOI: 10.1007/s13314-024-00555-0
Huilan Zeng, Yang Gao, Tao Li, Tao Liu, Rungen Li
{"title":"First report of Botryosphaeria dothidea causing fruit rot on Choerospondias axillaris in China","authors":"Huilan Zeng,&nbsp;Yang Gao,&nbsp;Tao Li,&nbsp;Tao Liu,&nbsp;Rungen Li","doi":"10.1007/s13314-024-00555-0","DOIUrl":"10.1007/s13314-024-00555-0","url":null,"abstract":"<div><p>During September of 2020, Fruit suspected to be rot were observed on <i>Choerospondias axillaris</i> grown in an plantation in Yichun, Jiangxi, China. Approximately 10% of the fruit was discovered to be infected. The morphological features of the fungal isolate was identical to the features of <i>Botryosphaeria dothidea</i>. Phylogeny of concatenated sequences of the ITS, SSU, LSU and <i>TUB2</i> genes were used to identify the causative agent as <i>B.dothidea</i>. Pathogenicity tests confirmed that this fungal species is the causal agent to <i>C. axillaris.</i> To the best of our knowledge, this is the first report of <i>B. dothidea</i> on <i>C. axillaris</i> in China and the world.</p></div>","PeriodicalId":45862,"journal":{"name":"Australasian Plant Disease Notes","volume":"19 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
First report of Lasiodiplodia theobromae causing stem rot in Plectranthus ornatus 首次报告 Lasiodiplodia theobromae 引起折衷桂的茎腐病
IF 0.6
Australasian Plant Disease Notes Pub Date : 2024-11-16 DOI: 10.1007/s13314-024-00554-1
Jordana Alves da Silva Melo, Ana Elisa de Almeida Souza, Glícia Silva de Moraes, Amanda Cupertino de Queiroz Queiroz Brito, Cristina Maria de Souza-Motta, André Angelo Medeiros Gomes, Alexandre Reis Machado
{"title":"First report of Lasiodiplodia theobromae causing stem rot in Plectranthus ornatus","authors":"Jordana Alves da Silva Melo,&nbsp;Ana Elisa de Almeida Souza,&nbsp;Glícia Silva de Moraes,&nbsp;Amanda Cupertino de Queiroz Queiroz Brito,&nbsp;Cristina Maria de Souza-Motta,&nbsp;André Angelo Medeiros Gomes,&nbsp;Alexandre Reis Machado","doi":"10.1007/s13314-024-00554-1","DOIUrl":"10.1007/s13314-024-00554-1","url":null,"abstract":"<div><p>Medicinal plants have been used since the dawn of human civilization and over the years have gained attention in the academic community due to their use beyond folk medicine. Numerous plants make up recipes to suppress symptoms of various illnesses, with emphasis on plants of the genus <i>Plectranthus</i> and their antimicrobial properties. In July 2016, <i>P</i>. <i>ornatus</i> plants observed in a garden located in Recife, Pernambuco state, Brazil, which demonstrated symptoms of dry stem rot. Two fungi isolated from stem lesions were identified by morphological comparisons and combined DNA sequences as <i>Lasiodiplodia theobromae</i>. This is the first report of this pathogen in this medicinal plant in the world.</p></div>","PeriodicalId":45862,"journal":{"name":"Australasian Plant Disease Notes","volume":"19 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Stem canker disease of Phaseolus vulgaris caused by Paramyrothecium roridum in Iran 伊朗由 Paramyrothecium roridum 引起的矮牵牛茎腐病
IF 0.6
Australasian Plant Disease Notes Pub Date : 2024-10-21 DOI: 10.1007/s13314-024-00553-2
Abbas Atashi Khalilabad, Khalil-Berdi Fotouhifar
{"title":"Stem canker disease of Phaseolus vulgaris caused by Paramyrothecium roridum in Iran","authors":"Abbas Atashi Khalilabad,&nbsp;Khalil-Berdi Fotouhifar","doi":"10.1007/s13314-024-00553-2","DOIUrl":"10.1007/s13314-024-00553-2","url":null,"abstract":"<div><p>Brown circular stem canker symptom was observed on common bean plants in Mahallat county, Markazi province, Iran, in the summer of 2022. Five identical associated fungal isolates were recovered from the infected plants. Morphological and molecular characterization of the representative isolate (UTR38) using the partial sequence of beta-tubulin, and as well as RNA polymerase II second largest subunit loci was done. The associated fungus was identified as <i>Paramyrothecium roridum</i>. Pathogenicity of the isolate UTR38 was conducted on six-week-old seedling stems of the <i>P. vulgaris</i> cultivar Sunray. The inoculated fungus was also reisolated from the inoculated plants to fulfill the Koch’s postulates. According to the results, this is the first report of <i>P. roridum</i> as the causal agent of stem canker disease in <i>P. vulgaris</i> in Iran and worldwide.</p></div>","PeriodicalId":45862,"journal":{"name":"Australasian Plant Disease Notes","volume":"19 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142452874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
First report of Leveillula Taurica causing powdery mildew on Fenugreek in Egypt 埃及首次报告 Leveillula Taurica 在葫芦巴上引起白粉病
IF 0.6
Australasian Plant Disease Notes Pub Date : 2024-10-17 DOI: 10.1007/s13314-024-00548-z
Ehab A. D. Sarhan, Salama A. S. El-Blasy, Ahmed A. Kheder
{"title":"First report of Leveillula Taurica causing powdery mildew on Fenugreek in Egypt","authors":"Ehab A. D. Sarhan,&nbsp;Salama A. S. El-Blasy,&nbsp;Ahmed A. Kheder","doi":"10.1007/s13314-024-00548-z","DOIUrl":"10.1007/s13314-024-00548-z","url":null,"abstract":"<div><p>During routine field surveys in February 2023, in a commercial field located in Hegazah village, Qus, Qena governorate, Egypt (25°50’49\"N 32°49’33\"E), powdery mildew symptoms were observed on leaves of a local cultivar of fenugreek (<i>Trigonella foenum-graecum</i> L.). Microscopic characterization showed that conidiophores were cylindrical, hyaline, straight, erect to bent, forming conidia singly, primary conidia were apically narrowed, lanceolate, obtuse to pointed measuring, secondary conidia were ellipsoid or cylindrical, measuring. Germ tubes were close to the base. BLASTn results showed 100% similarity with the submitted sequences of <i>Leveillula taurica</i> for ITS rDNA, the obtained phylogenetic tree through the maximum likelihood method confirmed the BLASTn results. Morphological and molecular approaches confirmed the identity of <i>Leveillula taurica</i> (Lév.) G. Arnaud. The obtained ITS rDNA sequence was deposited in NCBI GenBank (OR472546). Pathogenicity tests were conducted, and Koch’s postulates were fulfilled with the fungus. To our knowledge, this is the first report of powdery mildew caused by <i>L. taurica</i> (Lév.) G. Arnaud. on fenugreek in Egypt.</p></div>","PeriodicalId":45862,"journal":{"name":"Australasian Plant Disease Notes","volume":"19 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142447326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
First report of Stemphylium lycopersici associated with leaf spot disease of Capsicum annum var. grossum Sendt. in India 印度首次报告与辣椒变种叶斑病有关的 Stemphylium lycopersici
IF 0.6
Australasian Plant Disease Notes Pub Date : 2024-10-14 DOI: 10.1007/s13314-024-00552-3
Anusha A, Anjaneya Reddy B, Venkataravanappa V, Amarnanjundeshwara G, Manjunath G, N Ashwathnarayana Reddy, Lakshmana Reddy D.C, Devappa V
{"title":"First report of Stemphylium lycopersici associated with leaf spot disease of Capsicum annum var. grossum Sendt. in India","authors":"Anusha A,&nbsp;Anjaneya Reddy B,&nbsp;Venkataravanappa V,&nbsp;Amarnanjundeshwara G,&nbsp;Manjunath G,&nbsp;N Ashwathnarayana Reddy,&nbsp;Lakshmana Reddy D.C,&nbsp;Devappa V","doi":"10.1007/s13314-024-00552-3","DOIUrl":"10.1007/s13314-024-00552-3","url":null,"abstract":"<div><p>Capsicum (<i>Capsicum annum</i> var. <i>grossum</i> Sendt.) is a popular and widely cultivated vegetable crop. The leaves showing white to grey irregular spots were collected. The organism was isolated and cultured on potato dextrose agar from the diseased samples. The pathogenicity was proved on capsicum seedlings by inoculating hyphal suspension of the organism and koch’s postulates were proved by re-isolating the pathogen. The pathogen was identified as <i>Stemphylium lycopersici</i> based on morphological, cultural and molecular investigation (ITS, gapdh and cmdA). This is the first report of <i>Stemphylium lycopersici</i> causing leaf spot of capsicum in India.</p></div>","PeriodicalId":45862,"journal":{"name":"Australasian Plant Disease Notes","volume":"19 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142434923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
First Report of cucumber mosaic virus in Zinnia elegans in Indonesia 印尼首次报告黄瓜花叶病毒在浙贝母中的感染情况
IF 0.6
Australasian Plant Disease Notes Pub Date : 2024-10-10 DOI: 10.1007/s13314-024-00551-4
Hayu Alifia Zahra, Nabilla Kurnialaili Defitra, Wiwit Probowati, Filiz Randa-Zelyüt, Adyatma Irawan Santosa
{"title":"First Report of cucumber mosaic virus in Zinnia elegans in Indonesia","authors":"Hayu Alifia Zahra,&nbsp;Nabilla Kurnialaili Defitra,&nbsp;Wiwit Probowati,&nbsp;Filiz Randa-Zelyüt,&nbsp;Adyatma Irawan Santosa","doi":"10.1007/s13314-024-00551-4","DOIUrl":"10.1007/s13314-024-00551-4","url":null,"abstract":"<div><p><i>Zinnia elegans</i> of Family Asteraceae is a flowering plant grown widely in gardens in Indonesia. The plant is also often integrated into pest management of different agricultural commodities as its colourful flowers may attract beneficial insects including natural enemies. A total of eight viral symptomatic and four non-symptomatic <i>Z</i>. <i>elegans</i> samples were collected from four districts in Kulon Progo and Sleman Regencies of Special Region of Yogyakarta. They were molecularly tested using two universal primer pairs for begomoviruses, and two specific primer pairs for cucumber mosaic virus (CMV, <i>Cucumovirus</i>) detections. The eight symptomatic samples were all positive for CMV but negative for begomoviruses infections. The four non-symptomatic samples were tested negative to begomoviruses and CMV. Partial RNA2 and RNA3 segments of four CMV isolates were sequenced to demonstrate that they are members of subgroup IB. 4Ze-Ngaglik isolate was shown to be mechanically transmitted to healthy <i>Z</i>. <i>elegans</i> and cucumber cv. Baresta (<i>Cucumis sativus</i>). To the best of our knowledge, this report confirmed the first CMV occurrence in <i>Z</i>. <i>elegans</i> in Indonesia.</p></div>","PeriodicalId":45862,"journal":{"name":"Australasian Plant Disease Notes","volume":"19 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142411212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
First report of Pseudomonas sp. as a new soft rot pathogen on sugar beet 首次报告假单胞菌是甜菜上一种新的软腐病病原体
IF 0.6
Australasian Plant Disease Notes Pub Date : 2024-10-07 DOI: 10.1007/s13314-024-00550-5
Shamimeh Seif, Nahid Moarrefzadeh, Rouhallah Sharifi, Saman Hosseini
{"title":"First report of Pseudomonas sp. as a new soft rot pathogen on sugar beet","authors":"Shamimeh Seif,&nbsp;Nahid Moarrefzadeh,&nbsp;Rouhallah Sharifi,&nbsp;Saman Hosseini","doi":"10.1007/s13314-024-00550-5","DOIUrl":"10.1007/s13314-024-00550-5","url":null,"abstract":"<div><p>Bacterial soft rots are among the most economically important diseases that cause significant yield losses in various crops. During 2022 and 2023, widespread occurrence of soft rot disease was observed in sugar beet fields in the Firuzan region, Hamedan Province, Iran. From the sugar beet plants with soft rot symptoms, a bacterial isolate was obtained that was obligately aerobic, negative for Gram, oxidase, levan, and arginine dihydrolase tests, and positive for pectinase, urease and hypersensitivity reaction on tobacco. Koch’s postulates confirmed its pathogenicity by developing soft rot symptoms in sugar beet plants. The 16SrRNA and <i>rpoD</i> sequences from this isolate were most closely related to <i>Pseudomonas punonensis</i> LMT03 with 99.8% and 94.7% identity, respectively and then to <i>Pseudomonas argentinensis</i> LMG22563 (= CH01) with 99.4% and 94.3% identity values. To our knowledge, this is the first report of a <i>Pseudomonas</i> sp. strain causing soft rot disease in sugar beet worldwide.</p></div>","PeriodicalId":45862,"journal":{"name":"Australasian Plant Disease Notes","volume":"19 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142410440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Black rot caused by Phytophthora nicotianae and Phytophthora palmivora on Cattleya wittigiana and Dendrobium thyrsiflorum in Brazil 巴西由烟草疫霉菌和棕榈疫霉菌在 Cattleya wittigiana 和 Dendrobium thyrsiflorum 上引起的黑腐病
IF 0.6
Australasian Plant Disease Notes Pub Date : 2024-10-05 DOI: 10.1007/s13314-024-00549-y
Thaís Regina Boufleur, Priscila Yukari Takaki Ino, Nelson Sidnei Massola Júnior, Viviane Camila de Oliveira, Luiz Carlos de Almeida Neto, Ivan Herman Fischer
{"title":"Black rot caused by Phytophthora nicotianae and Phytophthora palmivora on Cattleya wittigiana and Dendrobium thyrsiflorum in Brazil","authors":"Thaís Regina Boufleur,&nbsp;Priscila Yukari Takaki Ino,&nbsp;Nelson Sidnei Massola Júnior,&nbsp;Viviane Camila de Oliveira,&nbsp;Luiz Carlos de Almeida Neto,&nbsp;Ivan Herman Fischer","doi":"10.1007/s13314-024-00549-y","DOIUrl":"10.1007/s13314-024-00549-y","url":null,"abstract":"<div><p>Orchids are among the most cultivated flowers in the world. Plants of <i>Dendrobium thyrsiflorum</i> (<i>DT</i>) and <i>Cattleya wittigiana</i> (<i>CW</i>), cultivated at the Botanic Garden of Bauru in São Paulo, Brazil, presented black rot symptoms. The causal organism was identified as <i>P. palmivora</i> on <i>DT</i> and <i>P. nicotianae</i> on <i>CW</i> orchids based on its morphological and molecular characterization. Inoculation caused disease symptoms and Koch’s postulates were fulfilled by re-isolation of the pathogen.</p></div>","PeriodicalId":45862,"journal":{"name":"Australasian Plant Disease Notes","volume":"19 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142410081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
First report of southern root-knot nematode, Meloidogyne incognita, infecting papaya in Florida, USA 美国佛罗里达州首次报告南方根结线虫 Meloidogyne incognita 感染木瓜的情况
IF 0.6
Australasian Plant Disease Notes Pub Date : 2024-10-02 DOI: 10.1007/s13314-024-00547-0
Abolfazl Hajihassani, Denis Gitonga, Rami Kassam
{"title":"First report of southern root-knot nematode, Meloidogyne incognita, infecting papaya in Florida, USA","authors":"Abolfazl Hajihassani,&nbsp;Denis Gitonga,&nbsp;Rami Kassam","doi":"10.1007/s13314-024-00547-0","DOIUrl":"10.1007/s13314-024-00547-0","url":null,"abstract":"<div><p>Papaya trees showing disease symptoms caused by root-knot nematodes (<i>Meloidogyne</i> spp.) were detected in a tropical fruit farm in Vero Beach, FL, USA. Roots were severely galled containing a high population density of root-knot nematode eggs. The nematode species causing damage was identified as <i>M. incognita</i> based on the morphometrics of body, stylet, and tail length of the second-stage juveniles, and morphological characteristics of female perineal patterns. Molecular analyses using both species-specific and universal primers also confirmed the species identity. A pathogenicity test confirmed <i>M. incognita</i> reproduction on papaya by producing nematode females and egg masses within the root galls. This report documents the first confirmed detection of <i>M. incognita</i> in papaya in Florida, USA, providing detailed information on the nematode's morphology characteristics and DNA sequence data.</p></div>","PeriodicalId":45862,"journal":{"name":"Australasian Plant Disease Notes","volume":"19 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142409505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
First report of Sri Lankan cassava mosaic virus in Australia 澳大利亚首次报告斯里兰卡木薯花叶病毒
IF 0.6
Australasian Plant Disease Notes Pub Date : 2024-09-30 DOI: 10.1007/s13314-024-00546-1
Harshitsinh R. Vala, Shaun Bochow, Monica Kehoe, Asaduzzaman Prodhan, Richard Davis
{"title":"First report of Sri Lankan cassava mosaic virus in Australia","authors":"Harshitsinh R. Vala,&nbsp;Shaun Bochow,&nbsp;Monica Kehoe,&nbsp;Asaduzzaman Prodhan,&nbsp;Richard Davis","doi":"10.1007/s13314-024-00546-1","DOIUrl":"10.1007/s13314-024-00546-1","url":null,"abstract":"<div><p>Sri Lankan cassava mosaic virus (SLCMV) is one of the viruses that cause cassava mosaic disease. Strong mosaic symptoms on a cassava plant in the Northern Territory tested positive in begomovirus specific PCR testing. The DNA sequence of the amplicon was 96.38% similar (over 528 bp) to SLCMV, a result confirmed by sequencing genomic DNA. This is the first record of SLCMV in Australia, and outside of Asia.</p></div>","PeriodicalId":45862,"journal":{"name":"Australasian Plant Disease Notes","volume":"19 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142415116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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