Jonas Rönnberg, Mattias Berglund, Ulf Johansson. (2007). Incidence of butt rot at final felling and at first thinning of the subsequent rotation of Norway spruce stands in south-western Sweden. Silva Fennica vol. 41 no. 4 article id 272. https://doi.org/10.14214/sf.272

Keywords: Picea abies; consecutive rotations; disease transmission; Heterobasidion annosum; Heterobasidion parviporum; stump treatment

Abstract | View details | Full text in PDF | Author Info

The incidence of butt rot in Norway spruce stands at final felling and at first thinning of the subsequent rotation was investigated at 20 sites in south-western Sweden. There was a negative correlation between the incidence at first thinning and the basal area of decayed trees at final felling. Using incidence of decay or basal area of decayed trees to predict disease transfer between rotations is difficult and requires the inclusion of several factors, making predictions uncertain. The level of infection found at final felling in this study varied between 7 and 71.8%, indicating that the risk of spore infection transfer to the next rotation was probably quite low. Long-term experiments are required to reveal the effect of stump treatment on disease transmission between rotations.

Rönnberg, SLU, Southern Swedish Forest Research Centre, P.O. Box 49, SE-23053 Alnarp, Sweden E-mail: jonas.ronnberg@ess.slu.se
Berglund, SLU, Southern Swedish Forest Research Centre, P.O. Box 49, SE-23053 Alnarp, Sweden E-mail: mb@nn.se
Johansson, Tönnersjöheden Experimental Forest, P.O. Box 17, SE-31038 Simlångsdalen, Sweden E-mail: uj@nn.se

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