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| Verticillium | |
|---|---|
| Name | Verticillium |
| Regnum | Fungi |
| Divisio | Ascomycota |
| Classis | Sordariomycetes |
| Ordo | Glomerellales |
| Familia | Plectosphaerellaceae |
| Genus | Verticillium |
| Subdivision ranks | Species |
Verticillium is a genus of soilborne ascomycete fungi that cause vascular wilt diseases affecting a broad array of agriculture and horticulture crops worldwide. First described in classical mycological literature during the 19th century, the genus is notable for long-lived soil microsclerotia and complex interactions with plant hosts, leading to major impacts on agronomy, plant pathology, and international trade in seedlings and propagative material. Research into Verticillium has intersected with work at institutions such as the United States Department of Agriculture, Rothamsted Research, and university programs at University of California, Davis and Wageningen University & Research.
Taxonomic treatments of Verticillium have been revised through morphology-based studies and molecular phylogenetics employing markers used by researchers at Max Planck Society-associated labs and sequencing centers such as the Wellcome Sanger Institute and Joint Genome Institute. Historically included species like Verticillium dahliae and Verticillium albo-atrum have been recharacterized; authoritative lists maintained by organizations such as Mycobank, Index Fungorum, and curation efforts at the Smithsonian Institution provide updated nomenclature. Prominent species complexes studied in comparative genomics include isolates from crops investigated by groups at John Innes Centre, INRAE, and Chinese Academy of Sciences. Molecular systematics often reference work published in journals affiliated with societies like the American Phytopathological Society and the European and Mediterranean Plant Protection Organization.
Microsclerotia, conidia, and melanized resting structures define morphology used by diagnostic labs such as those at Kew Gardens and the Royal Botanic Gardens, Kew. Life cycle descriptions are integrated into extension materials from state-level services such as Pennsylvania State University Extension, University of Florida IFAS, and Cornell University. Studies on sporulation, hyphal growth, and soil survival have been conducted using techniques developed at institutions like Massachusetts Institute of Technology, University of Cambridge, and ETH Zurich, and reported at conferences such as the annual meeting of the American Phytopathological Society.
Verticillium infects hosts across families represented in collections at the Royal Botanic Gardens, Kew herbarium and botanical gardens like Kew and Missouri Botanical Garden. Economically important hosts include species studied at CIMMYT, International Potato Center, and CGIAR centers: solanaceous crops monitored by USDA APHIS, cotton observed in reports by FAO, and ornamental hosts included in assessments by the Royal Horticultural Society. Symptoms such as wilting, chlorosis, necrosis, and vascular browning have been documented in field surveys conducted by agencies like DEFRA, USDA, and Ministry of Agriculture, Forestry and Fisheries (Japan).
Mechanistic studies of host colonization, effector repertoires, and plant immune responses have been advanced through collaborations among laboratories at Max Planck Institute for Plant Breeding Research, John Innes Centre, and Sainsbury Laboratory. Research into gene-for-gene interactions, secondary metabolites, and secreted proteins has been published in journals associated with Nature Publishing Group, Science and specialist periodicals from the American Phytopathological Society. Work on resistance loci in crops references breeding programs at Iowa State University, University of Minnesota, and University of Wageningen.
Diagnostic protocols combine morphological identification used by diagnostic services at Royal Botanic Gardens, Kew with molecular assays developed by groups at Centers for Disease Control and Prevention, USDA ARS, and university plant clinics such as University of California, Davis Plant Pathology Clinic. Techniques include culture-based isolation, PCR, quantitative PCR, and next-generation sequencing workflows employed by sequencing centers like the Wellcome Sanger Institute and Broad Institute; surveillance is coordinated in part through networks including European and Mediterranean Plant Protection Organization and National Plant Protection Organizations.
Integrated disease management strategies are promoted by extension services at University of California Cooperative Extension, CABI, and Food and Agriculture Organization of the United Nations (FAO). Approaches include host resistance from breeding programs at CIMMYT and USDA ARS, cultural practices disseminated by Penn State Extension and University of Florida IFAS, use of certified pathogen-free planting material regulated by International Plant Protection Convention, and biological control research conducted at INRAE and universities such as UC Berkeley. Chemical control options and soil fumigation practices have been evaluated in trials reported by Rothamsted Research and regulatory assessments at European Commission agencies.
Epidemiological studies and economic assessments have been published by organizations including FAO, United Nations Conference on Trade and Development, and national agricultural ministries. Yield losses in crops such as cotton, potato, sunflower, and olive have driven research programs at USDA, University of California, Davis, University of Cordoba (Spain), and Universidad Politécnica de Madrid. Global trade and phytosanitary measures implicate bodies like the International Plant Protection Convention and national agencies such as DEFRA and USDA APHIS in surveillance, quarantine, and risk analysis.
Category:Fungal plant pathogens and diseases