Possibilités d'infection du platane par Ceratocystis fimbriata f. platani après contamination de l'eau où se développent des racines blessées

摘要

AbstractInfection of plane tree by Ceratocystis fimbriata f. platani after contamination of water as growing substrate of wounded roots.Plane tree seedlings (Platanus acerifolia) were cultivated during 1. year so as some roots emerged from the culture pot And grow in the water of a container placed below. In April, these roots were wounded and nearby, conidia suspension of C.fimbriata†.platamwas injected into the water. 1 month later, foliage of some seedlings began to wilt and after 2 months, 7 out of 12 plane trees were drying. The pathogen was recovered from all parts of the roots above the water level inside the pots and as high as the collar for 4 plant