Stump treatment against Heterobasidion with Phlebiopsis gigantea and some chemicals in Picea abies stands in the western Alps |
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| Authors: | G Nicolotti P Gonthier |
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| Institution: | Department of Exploitation and Protection of the Agricultural and Forestry Resources (Di.Va.P.R.A.) – Plant Pathology, University of Torino, Via L. da Vinci 44, I‐10095 Grugliasco, Italy. 1E‐mail: paolo.gonthier@unito.it (for correspondence) |
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| Abstract: | The effectiveness against Heterobasidion natural airborne infections on Norway spruce stumps was tested for six treatments: aqueous suspension of Phlebiopsis gigantea oidiospores, 10%, 20% and 30% aqueous urea solutions, 4% copper oxychloride aqueous solution, and borax powder. The experiment was carried out in four naturally regenerated forests in the western Alps, each characterized by a different airborne inoculum potential. Within each stand, all treatments, with the exception of urea 10%, were effective and resulted in colonized areas of stumps significantly lower than controls. The effect of ambient spore loads on the stump colonization is discussed. |
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