Masuya and others published first report of the dutch elm disease pathogens ophiostoma ulmi and o. Ophiostoma ulmi and the asian ophiostoma himal ulmi. Media in category ophiostoma ulmithe following 5 files are in this category, out of 5 total. Pdf screening european elms for resistance to ophiostoma novo. The accepted manuscript in pdf format is listed with the files at the. Widespread horizontal transfer of the ceratoulmin gene. Surveys revealed that dutch elm disease ded was limited to only a. Ishs international symposium on natural phenols in plant resistance plant phenolics in elms ulmus spp.
Widespread horizontal transfer of the ceratoulmin gene between ophiostoma novoulmi and geosmithia species article in fungal biology 1188 august 2014 with 97 reads how we measure reads. These fungi are moved from tree to tree by two species of elm bark beetles that breed in elm trees, by root grafts that form between roots of adjacent elm trees, and by human activities such as pruning. Ishs international symposium on urban tree health hybrid elms ulmus spp. The second epidemic, which appeared around the 1940s was caused by ophiostoma novo ulmi, a much more aggressive pathogen.
Ophiostoma novo ulmi, with scolytus multistriatus as its vector, was first found in auckland, new zealand, in december 1989. Phylogeny and taxonomy of the ophiostoma piceae complex. Background the ascomycete fungus ophiostoma ulmi was responsible for the initial pandemic of the massively destructive dutch elm disease in europe and north america in early 1910. Pdf resistance breeding of the native elms against dutch elm disease, caused by the fungus ophiostoma novoulmi brasier, is a major objective in. Pdf first report of the dutch elm disease pathogens ophiostoma. The first, caused by ophiostoma ulmi ascomycota, started in about 1910 and had died down by the 1940s after killing 1040% of elms.
353 657 710 365 1460 235 1312 662 465 736 731 1577 746 1243 721 1110 183 764 1061 843 545 46 1532 420 893 251 204 217 146 1243 819 743 970 77 1274 1249 37 2 768 1428 201 1023 825 749