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Indrayadi H, Glen M, Alhusaeri Siregar B, Ratkowsky D, Rimbawanto A, Tjahjono B, Mohammed C. Cross-Inoculation of Commercial Forestry, Amenity, and Horticulture Tree Species with Ceratocystis Isolates Collected from Different Host Species. PLANT DISEASE 2024:PDIS02230271RE. [PMID: 38780477 DOI: 10.1094/pdis-02-23-0271-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
Ceratocystis manginecans has caused significant losses in forestry productivity in Indonesia and neighboring nations. It also infects horticultural trees, but the host range of individual isolates of C. manginecans is poorly studied. So, this study aimed to better understand the potential host range and evaluate aggressiveness against forestry and fruit tree species of C. manginecans isolated from various tree species in Indonesia. Five C. manginecans isolates, four from different tree species and one from the shot-hole borer Euwallacea perbrevis, were used to inoculate seven fruit and six forest tree species, including E. pellita and Acacia mangium. Many of the inoculated trees produced typical canker disease symptoms, such as rough, swollen, and cracked lesions on the bark, but some trees did not have any external symptoms. Mortality in the most susceptible clone of A. mangium was 40% within 8 weeks. Forest tree species were more susceptible than fruit trees, with the length of xylem discoloration ranging from 0.4 to 101 cm. In fruit trees, the average extent of xylem discoloration was lower, ranging from 0.4 to 20.5 cm; however, mortalities were recorded in two fruit tree species, Citrus microcarpa and Durio zibethinus. Host-isolate interaction was evident; isolate Ep106C from Eucalyptus pellita caused the greatest xylem discoloration in Citrus sp., whereas Hy163C from Hymenaea courbaril was the most damaging in D. zibethinus, Artocarpus heterophyllus, and Mangifera indica. Increasingly globalized food and fiber systems increase risk of disease spread, and the serious threat of C. manginecans incursions into countries where it is not present must be evaluated more thoroughly.
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Affiliation(s)
- Heru Indrayadi
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, Tasmania 7001, Australia
- Corporate R&D PT Arara Abadi - Sinarmas Forestry, Siak Regency, Riau 28772, Indonesia
| | - Morag Glen
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, Tasmania 7001, Australia
| | | | - David Ratkowsky
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, Tasmania 7001, Australia
| | - Anto Rimbawanto
- Research Centre for Plant Conservation, Botanic Gardens and Forestry, National Research and Innovation Agency, Yogyakarta, Indonesia
| | - Budi Tjahjono
- Corporate R&D PT Arara Abadi - Sinarmas Forestry, Siak Regency, Riau 28772, Indonesia
| | - Caroline Mohammed
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, Tasmania 7001, Australia
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Senwanna C, Hongsanan S, Khuna S, Kumla J, Yarasheva M, Gafforov Y, Abdurazakov A, Suwannarach N. Insights into the molecular phylogeny and morphology of three novel Dothiora species, along with a worldwide checklist of Dothiora. Front Cell Infect Microbiol 2024; 14:1367673. [PMID: 38707512 PMCID: PMC11067756 DOI: 10.3389/fcimb.2024.1367673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 03/20/2024] [Indexed: 05/07/2024] Open
Abstract
Most species of Dothiora are known from the dead parts of various host plants as saprobic fungi in terrestrial habitats occurring in tropical and temperate regions. In the present study, samples of Dothiora were collected from dead twigs and branches of Capparis spinosa, Rhaponticum repens, and an unknown angiosperm plant from the Tashkent and Jizzakh regions of Uzbekistan. Multi-gene phylogenetic analyses based on a combined ITS, LSU, SSU, TEF1, and TUB2 sequence data revealed their taxonomic positions within the Dothideaceae. Three new species of Dothiora, namely, Dothiora capparis, Dothiora rhapontici, and Dothiora uzbekistanica were proposed by molecular and morphological data. Likewise, the phylogenetic relationship and morphology of Dothiora are discussed. In addition, we provide a list of accepted Dothiora species, including host information, distribution, morphology descriptions, and availability of sequence data, to enhance the current knowledge of the diversity within Dothiora.
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Affiliation(s)
- Chanokned Senwanna
- Office of Research Administration, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Microbial Diversity and Sustainable Utilization, Chiang Mai University, Chiang Mai, Thailand
| | - Sinang Hongsanan
- Office of Research Administration, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Microbial Diversity and Sustainable Utilization, Chiang Mai University, Chiang Mai, Thailand
- Guangdong Provincial Key Laboratory for Plant Epigenetics, Shenzhen Key Laboratory of Microbial Genetic Engineering, College of Life Science and Oceanography, Shenzhen University, Shenzhen, China
| | - Surapong Khuna
- Office of Research Administration, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Microbial Diversity and Sustainable Utilization, Chiang Mai University, Chiang Mai, Thailand
| | - Jaturong Kumla
- Office of Research Administration, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Microbial Diversity and Sustainable Utilization, Chiang Mai University, Chiang Mai, Thailand
| | - Manzura Yarasheva
- Department of Education and Training Management, Tashkent International University of Education, Tashkent, Uzbekistan
| | - Yusufjon Gafforov
- Central Asian Center for Development Studies, New Uzbekistan University, Tashkent, Uzbekistan
- Mycology Laboratory, Institute of Botany, Academy of Sciences of Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Aziz Abdurazakov
- Department of Ecology and Botany, Faculty of Natural Sciences, Andijan State University, Andijan, Uzbekistan
| | - Nakarin Suwannarach
- Office of Research Administration, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Microbial Diversity and Sustainable Utilization, Chiang Mai University, Chiang Mai, Thailand
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Ao L, Zhao M, Li X, Sun G. Different Urban Forest Tree Species Affect the Assembly of the Soil Bacterial and Fungal Community. MICROBIAL ECOLOGY 2022; 83:447-458. [PMID: 34031701 DOI: 10.1007/s00248-021-01754-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 04/11/2021] [Indexed: 06/12/2023]
Abstract
The selection of tree species used for the afforestation of urban forests is very important for maintaining the urban ecosystem, while soil microbe is one of the driving factors of material cycling in the urban forest ecosystem and for health of forests. In this study, the characteristics of surface soil bacterial and fungal community structure in four urban forests (primarily composed of Fraxinus mandshurica (Fm), Quercus mongolica (Qm), Pinus sylvestris var. mongolica (Ps), and Pinus tabulaeformis var. Mukdensis (Pt) as the main dominant tree species, respectively) were investigated by high-throughput sequencing. Our results showed that the alpha diversity of the soil microbial community in the Fm urban forest was the highest, while the lowest was in the Ps urban forest. In the bacterial community, Proteobacteria was the most predominant phylum in soils from Fm, Ps, and Pt urban forests. The most relatively abundant phylum of the Qm urban forest soil was Acidobacteria. The relative abundances of the bacterial communities at the genus level in the soil of four urban forests were significantly different. The soil bacterial communities in Ps and Pt urban forests were more similar, and Qm and Fm were also more similar. In the fungal community, Basidiomycota was the most predominant phylum in soils from Qm, Ps, and Pt urban forests. The phylum with the greatest relative abundance in the Fm urban forest soil was Ascomycota. There were differences in the fungal community between Qm, Fm, Ps, and Pt urban forests. Soil microbial community composition was affected by environmental factors: soil bacterial and fungal community compositions were significantly related to soil electrical conductivity (EC), alkali hydrolysable nitrogen (AHN), total nitrogen (TN), and total phosphorus (TP). In conclusion, the soil microbial community structure was related to both forest's tree species and soil properties.
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Affiliation(s)
- Lun Ao
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, Heilongjiang, 150040, China
| | - Meichun Zhao
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, Heilongjiang, 150040, China
| | - Xin Li
- College of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China.
- School of Forestry, Northeast Forestry University, Harbin, Heilongjiang, 150040, China.
| | - Guangyu Sun
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, Heilongjiang, 150040, China.
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Bezerra JDP, Crous PW, Aiello D, Gullino ML, Polizzi G, Guarnaccia V. Genetic Diversity and Pathogenicity of Botryosphaeriaceae Species Associated with Symptomatic Citrus Plants in Europe. PLANTS (BASEL, SWITZERLAND) 2021; 10:492. [PMID: 33807726 PMCID: PMC7999779 DOI: 10.3390/plants10030492] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 02/22/2021] [Accepted: 03/02/2021] [Indexed: 01/01/2023]
Abstract
This study represents the first survey studying the occurrence, genetic diversity, and pathogenicity of Botryosphaeriaceae species associated with symptomatic citrus species in citrus-production areas in five European countries. Based on morphological features and phylogenetic analyses of internal transcribed spacer (ITS) of nuclear ribosomal DNA (nrDNA), translation elongation factor 1-alpha (TEF1) and β-tubulin (TUB2) genes, nine species were identified as belonging to the genera Diplodia, Dothiorella, Lasiodiplodia, and Neofusicoccum. Isolates of Neofusicoccum parvum and Diplodia pseudoseriata were the most frequently detected, while Dothiorella viticola had the widest distribution, occurring in four of the five countries sampled. Representative isolates of the nine Botryosphaeriaceae species used in the pathogenicity tests caused similar symptoms to those observed in nature. Isolates assayed were all re-isolated, thereby fulfilling Koch's postulates. Isolates of Diplodia pseudoseriata and Diplodia olivarum are recorded for the first time on citrus and all species found in our study, except N. parvum, are reported for the first time on citrus in Europe.
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Affiliation(s)
- Jadson Diogo Pereira Bezerra
- Setor de Micologia, Departamento de Biociências e Tecnologia, Instituto de Patologia Tropical e Saúde Pública (IPTSP), Universidade Federal de Goiás (UFG), Rua 235, s/n, Setor Universitário, Goiânia 74605-050, Brazil;
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands;
| | - Pedro Wilhelm Crous
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands;
| | - Dalia Aiello
- Dipartimento di Agricoltura, Alimentazione e Ambiente, sez. Patologia Vegetale, University of Catania, Via S. Sofia 100, 95123 Catania, Italy; (D.A.); (G.P.)
| | - Maria Lodovica Gullino
- Centre for Innovation in the Agro-Environmental Sector, AGROINNOVA, University of Torino, Largo Braccini 2, 10095 Grugliasco, Italy;
| | - Giancarlo Polizzi
- Dipartimento di Agricoltura, Alimentazione e Ambiente, sez. Patologia Vegetale, University of Catania, Via S. Sofia 100, 95123 Catania, Italy; (D.A.); (G.P.)
| | - Vladimiro Guarnaccia
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands;
- Centre for Innovation in the Agro-Environmental Sector, AGROINNOVA, University of Torino, Largo Braccini 2, 10095 Grugliasco, Italy;
- Department of Agricultural, Forest and Food Sciences (DISAFA), University of Torino, Largo Braccini 2, 10095 Grugliasco, Italy
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When scientists become detectives: investigating systematic tree poisoning in a protected cove. Heliyon 2020; 6:e03386. [PMID: 32072064 PMCID: PMC7016248 DOI: 10.1016/j.heliyon.2020.e03386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 11/15/2019] [Accepted: 02/04/2020] [Indexed: 11/21/2022] Open
Abstract
The systematic killing of trees is usually aimed at eradicating pests or alien plant species susceptible to harm existing natural ecosystems. In some cases, trees may become the subject of dispute between neighbors, which sometimes ends in tree death after months or years of dispute. In this paper, we analyze a case of clandestine tree killing and look into ways through which evidence left by delinquents can be analyzed a posteriori with state-of-the-art approaches. The investigation presented here looks at a series of old-growth trees that were supposedly poisoned inside a protected, nineteenth century grove in Switzerland. After the sudden, unexplained death of several old Black poplar (Populus nigra) trees along the main alley in fall 2015 and their subsequent removal, the dying of five additional, neighboring Sycamore maple (Acer pseudoplatanus) and English walnut (Juglans regia) trees in 2016 promptly triggered a suite of criminal investigations at the property. During an initial inspection, a large number of boreholes was found in the root plates of the dying trees. We present findings obtained from tree-ring, wood anatomical and dendrogeochemical investigations performed on root, stem and leave material from the assumedly poisoned trees and show that massive amounts of chemical elements – supposedly in the form organic pesticides with high Al, As, Fe, Cr, Ni contents, aluminum phosphides or glyphosate-based pesticides – were injected into 36 boreholes drilled into the roots around September 2016. Results obtained in this study are currently used in criminal investigations, and are a nice example of how scientific detectives can help their “real World” colleagues in identifying delinquents.
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Schimann H, Vleminckx J, Baraloto C, Engel J, Jaouen G, Louisanna E, Manzi S, Sagne A, Roy M. Tree communities and soil properties influence fungal community assembly in neotropical forests. Biotropica 2020. [DOI: 10.1111/btp.12747] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Heidy Schimann
- INRA EcoFoG (AgroParisTech, CNRS, CIRAD, INRA, Université des Antilles, Université de Guyane) Kourou France
| | - Jason Vleminckx
- Department of Biological Science Florida International University Miami FL USA
| | | | - Julien Engel
- AMAP (Université de Montpellier, CIRAD, CNRS, INRA, IRD) Montpellier France
| | - Gaelle Jaouen
- AgroParisTech EcoFoG (AgroParisTech, CNRS, CIRAD, INRA, Université des Antilles, Université de Guyane) Kourou France
| | - Eliane Louisanna
- INRA EcoFoG (AgroParisTech, CNRS, CIRAD, INRA, Université des Antilles, Université de Guyane) Kourou France
| | - Sophie Manzi
- Laboratoire Évolution et Diversité Biologique CNRS, UMR 5174 UPS CNRS ENFA IRD Université Toulouse 3 Paul Sabatier Toulouse France
| | - Audrey Sagne
- INRA EcoFoG (AgroParisTech, CNRS, CIRAD, INRA, Université des Antilles, Université de Guyane) Kourou France
| | - Mélanie Roy
- Laboratoire Évolution et Diversité Biologique CNRS, UMR 5174 UPS CNRS ENFA IRD Université Toulouse 3 Paul Sabatier Toulouse France
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