Isolation of "Ceratocystis piceae" (Münch) Bakshi by trapping on declining oaks in the « Forêt de Soignes » (Belgium) ; Isolement de "Ceratocystis piceae" (Münch) Bakshi par piégeage à partir de chênes dépérissants de la Forêt de Soignes (Belgique)

Forest rangers have been observing symptoms of visible decline in European forests since the early 1970s. Conifers were the first victims but, more recently, hardwoods have been presenting symptoms of damage too. This is especially so for indigenous oaks (Quercus robur L. and Q. petraea (Matt.) Lieblin). Decline of oak forests has been reported periodically in Europe since the early eighteenth century. The present situation of decline started in the 1980s. In Belgium, several thousands of oaks have died since 1985 and thousands more are seriously threatened with initially associated with dieba... Mehr ...