Ophiostoma ulmi
http://dbpedia.org/resource/Ophiostoma_ulmi an entity of type: Fungus
Ophiostoma ulmi, sensu lato, est l'espèce de champignons qui cause la graphiose de l'orme. Les vecteurs de dispersion du champignon sont les insectes de la sous-famille Scolytinae (en Europe, Hylurgopinus rufipes, Scolytus scolytus et Scolytus multistriatus).
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Ophiostoma ulmi (Buisman) Nannf., in Melin & Nannfeldt, Svensk Skogsvårdsförening Tidskr., Hafte 32(3-4): 408 (1934). L'Ophiostoma ulmi o Ceratocystis ulmi è un fungo parassita dell'olmo, pianta a cui cagiona la malattia detta grafiosi dell’olmo. È un fungo di origine asiatica.Fu isolato per la prima volta nel 1920.La prima segnalazione in Italia avvenne nel 1930. È stata inserita nell'elenco "Lista di cento specie invasive molto dannose".
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Ophiostoma ulmi (synoniemen: Ceratocystis ulmi, Graphium ulmi) is een schimmel die behoort tot de familie Ceratocystidaceae van de ascomyceten. De schimmel veroorzaakt iepenziekte en heeft n=8 chromosomen. De schimmel groeit in houtvaten van de boom. De boom produceert als reactie thyllen, een gomblaas om de groei van de schimmel te stoppen, maar daardoor raken die vaten ook verstopt. De schimmel kan van het ene houtvat in het andere komen waardoor er zoveel houtvaten verstopt raken dat de boom afsterft. De schimmel wordt verspreid door de grote en de (Scolytus scolytus en S. multistriatus).
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Ophiostoma ulmi (Buisman) Nannf. – gatunek grzybów z rodziny Ophiostomataceae.
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Ophiostoma ulmi é uma espécie de fungo da família . É um dos agentes causadores da grafiose. Foi descrito pela primeira vez com o nome Graphium ulmi, e posteriormente transferido para o género Ophiostoma.
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Ophiostoma ulmi is a species of fungus in the family Ophiostomataceae. It is one of the causative agents of Dutch elm disease. It was first described under the name Graphium ulmi, and later transferred to the genus Ophiostoma. Ophiostoma ulmi was the first known cause of Dutch elm disease . Since its discovery in 1910, new forms of the fungus, specifically Ophiostoma novo-ulmi, have emerged and appear to be more resistant to control measures and more aggressive in their infection.
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Ophiostoma ulmi
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Ophiostoma ulmi
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Ophiostoma ulmi
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Ophiostoma ulmi
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Ophiostoma ulmi
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Ophiostoma ulmi
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Almsjuka (svamp)
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9500213
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1086769455
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Melin & Nannf.
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Ophiostoma
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ulmi
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*Graphium ulmi (M.B.Schwarz )
*Ceratostomella ulmi (Buisman )
*Ceratocystis ulmi ( C.Moreau )
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Ophiostoma ulmi, sensu lato, est l'espèce de champignons qui cause la graphiose de l'orme. Les vecteurs de dispersion du champignon sont les insectes de la sous-famille Scolytinae (en Europe, Hylurgopinus rufipes, Scolytus scolytus et Scolytus multistriatus).
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Ophiostoma ulmi is a species of fungus in the family Ophiostomataceae. It is one of the causative agents of Dutch elm disease. It was first described under the name Graphium ulmi, and later transferred to the genus Ophiostoma. Dutch elm disease originated in Europe in the early 1900s. Elm trees were once an ecologically valuable tree that dominated mixed broadleaf forests, floodplains, and low areas near rivers and streams. They were planted in urban settings because of their aesthetic appeal and their ability to provide shade due to their V like shape. An outbreak of Dutch elm disease in the 1920s and again in the 1970s was responsible for the death of more than 40 million American elm trees. Ophiostoma ulmi was the first known cause of Dutch elm disease . Since its discovery in 1910, new forms of the fungus, specifically Ophiostoma novo-ulmi, have emerged and appear to be more resistant to control measures and more aggressive in their infection.
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Ophiostoma ulmi (Buisman) Nannf., in Melin & Nannfeldt, Svensk Skogsvårdsförening Tidskr., Hafte 32(3-4): 408 (1934). L'Ophiostoma ulmi o Ceratocystis ulmi è un fungo parassita dell'olmo, pianta a cui cagiona la malattia detta grafiosi dell’olmo. È un fungo di origine asiatica.Fu isolato per la prima volta nel 1920.La prima segnalazione in Italia avvenne nel 1930. È stata inserita nell'elenco "Lista di cento specie invasive molto dannose".
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Ophiostoma ulmi (synoniemen: Ceratocystis ulmi, Graphium ulmi) is een schimmel die behoort tot de familie Ceratocystidaceae van de ascomyceten. De schimmel veroorzaakt iepenziekte en heeft n=8 chromosomen. De schimmel groeit in houtvaten van de boom. De boom produceert als reactie thyllen, een gomblaas om de groei van de schimmel te stoppen, maar daardoor raken die vaten ook verstopt. De schimmel kan van het ene houtvat in het andere komen waardoor er zoveel houtvaten verstopt raken dat de boom afsterft. De schimmel wordt verspreid door de grote en de (Scolytus scolytus en S. multistriatus).
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Ophiostoma ulmi (Buisman) Nannf. – gatunek grzybów z rodziny Ophiostomataceae.
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Ophiostoma ulmi é uma espécie de fungo da família . É um dos agentes causadores da grafiose. Foi descrito pela primeira vez com o nome Graphium ulmi, e posteriormente transferido para o género Ophiostoma.
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10495