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Environmental factors related to damage by Heterobasidion abietinum in Abies alba forests in Southern Italy |
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| Authors: | Antonella Puddu Nicola Luisi Paolo Capretti Alberto Santini |
| Institution: | a Istituto Sperimentale di Patologia Vegetale (ISPAVE),Via G.C. Bertero 22, I-00156, Roma, Italy b Dipartimento di Patologia Vegetale, Via G. Amendola 165/a, I-70126, Bari, Italy c Dipartimento di Biotecnologie agrarie (DiBA), Sez. Patologia vegetale, Piazzale delle Cascine, 28 I-50144, Firenze, Italy d Istituto per la Protezione delle Piante (IPP), CNR, Piazzale delle Cascine, 28 I-50144, Firenze, Italy |
| Abstract: | A study was carried out in southern Italy to determine the role of some factors in favouring Heterobasidion annosum s. l. spread and damage in eight Silver-fir (Abies alba Mill.) forests. All the studied stands were colonised by H. abietinum. The presence of the fungus (as carpophores on colonised wood) was detected by means of transects and varied from 7.0 to 56.0% of trees. Stand history, precipitation and forest origin, analysed by the χ2-test, had a significant effect on rot severity. Damage was more severe in stands more xerophytic where the woods were planted on pasturelands. |
| Keywords: | Abies alba Heterobasidion abietinum Epidemiology Environmental conditions Mediterranean climate |
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