Journal of Plant Pathology (2005) 87, p. 304 (Sabbatini Peverieri et al.)

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G. Sabbatini Peverieri, C. Villari, R. Tiberi and P. Capretti (2005)
Occurrence of fungal root rot in pine trees in Tuscany and its relationship with Tomicus destruens
Journal of Plant Pathology 87 (4), 304-304
XII Meeting, Italian Society for Plant Pathology, Reggio Calabria, 29/9 - 1/10, 2005 (poster)
Abstract: In the course of the regional monitoring programme META ("Monitoraggio Estensivo dei boschi della Toscana a fini fitosanitari") several surveys were carried out during the last few years in forest areas of Tuscany. Disorders of pine species (Pinus pinea and Pinus pinaster) were observed mostly along the Tyrrhenian coast and in the San Rossore Regional Park. Attention was primarily paid to the disease caused to roots by the pathogenic fungi Leptographium sp. and Heterobasidion annosum. Leptographium species (L. serpens, L. lundbergii, L. guttulatum and L. wingfieldii) generally associated with Tomicus destruen, were found, and especially in already damaged plants, either fallen or struck by lightning. Isolations were positive from adult beetles and from pine chips removed from around their galleries and emergence holes in the pine bark. Leptographium spp. were also associated with breeding beetles. Although carpophores of H. annosum were quite rare, the fungal presence was confirmed by trapping basidiospores using fresh wood discs in different areas in the park, also during winter with temperatures close to 0°C. Compatibility tests showed that the H. annosum isolates from San Rossore park belonged to the P group. In the same area, the contemporary presence of Leptographium spp. and H. annosum was sometimes found in dying trees.
Database assignments for author(s): Paolo Capretti, Riziero Tiberi, Giuseppino Sabbatini Peverieri

Research topic(s) for pests/diseases/weeds:
environment - cropping system/rotation

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Heterobasidion annosum Pine (Pinus) Italy
Leptographium wingfieldii Pine (Pinus) Italy
Leptographium guttulatum Pine (Pinus) Italy
Tomicus destruens Pine (Pinus) Italy
Grosmannia serpens Pine (Pinus) Italy
Leptographium lundbergii Pine (Pinus) Italy