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Silva Fennica 1926-1997
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1960-1969
Acta Forestalia Fennica
1953-1968
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Articles containing the keyword 'Chondrostereum purpureum'.

Category: Research note

article id 10195, category Research note
Tiina Laine, Leena Hamberg, Veli-Matti Saarinen, Timo Saksa. (2019). The efficacy of Chondrostereum purpureum against sprouting of deciduous species after mechanized pre-commercial thinning. Silva Fennica vol. 53 no. 3 article id 10195. https://doi.org/10.14214/sf.10195
Highlights: Fungal treatments increased stump mortality compared to the control (cutting only); The fungal treatment did not decrease the number of sprouts per stump; Application during mechanized pre-commercial thinning did not yield as high stump mortalities as in earlier treatments performed manually.

The use of a white-rot fungus, Chondrostereum purpureum (Pers. Ex Fr.) Pouzar, as a biocontrol agent against sprouting has been studied with good results. The aim of the study was to investigate the efficacy of two pre-commercial thinning machines, Tehojätkä and Mense, to spread an inoculum of C. purpureum as a biocontrol agent on freshly cut birch (Betula pendula Roth and B. pubescens Ehrh.), European aspen (Populus tremula L.), rowan (Sorbus aucuparia L.), and goat willow (Salix caprea L.) stumps (the fungal treatment) and compare that to the control (cutting only, done by Tehojätkä). Efficacy was investigated in terms of stump mortality and the number of sprouts per stump. This study was conducted in one stand and sprouting was investigated for three years after treatment. The fungal treatment resulted in higher mortality of stumps (34.0% for Tehojätkä and 41.5% for Mense after three years), compared to the control (13.4%). However, the fungal treatment did not decrease the number of sprouts per stump compared to the control. The low occurrence of basidiomata indicates that the accuracy of the spreading mechanism was not satisfactory, causing low mortality figures for the fungal treatment compared to previous studies. In the future, this mechanized method may provide a promising alternative in sprout control if the spreading mechanisms, the accuracy of the treatment, and consequently the efficacy could be improved.

  • Laine, Natural Resources Institute Finland (Luke), Natural resources, Juntintie 154, FI-77600 Suonenjoki, Finland ORCID ID:E-mail: tiina.laine@luke.fi (email)
  • Hamberg, Natural Resources Institute Finland (Luke), Bioeconomy and environment, Latokartanonkaari 9, FI-00790 Helsinki, Finland ORCID ID:E-mail: leena.hamberg@luke.fi
  • Saarinen, Natural Resources Institute Finland (Luke), Natural resources, Juntintie 154, FI-77600 Suonenjoki, Finland ORCID ID:E-mail: mulinvuori@gmail.com
  • Saksa, Natural Resources Institute Finland (Luke), Natural resources, Juntintie 154, FI-77600 Suonenjoki, Finland ORCID ID:E-mail: timo.saksa@luke.fi

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