Full text of this article is only available in PDF format.

Timo Kurkela (email)

Crown condition as an indicator of the incidence of root rot caused by Heterobasidion annosum in Scots pine stands

Kurkela T. (2002). Crown condition as an indicator of the incidence of root rot caused by Heterobasidion annosum in Scots pine stands. Silva Fennica vol. 36 no. 2 article id 537. https://doi.org/10.14214/sf.537

Abstract

Trees in three Scots pine stands seriously infected by Heterobasidion annosum were classified according to their crown condition into four classes, from healthy to dead trees. After cutting the stands, the classification was compared with the symptoms of annosum root rot on stump surfaces (pitched area) and with the extension of decay in the roots of excavated stumps. When dead trees were included, the average crown condition on the survey plots correlated with disease incidence. Without dead trees the correlation was not significant. Slightly infected trees could not be distinguished from healthy trees on the basis of crown condition. It was concluded that only the proportion of dead and dying trees in a stand is a reliable indication of the disease incidence for making decisions about the future management.

Keywords
Pinus sylvestris; Heterobasidion annosum; root rot; symptoms; disease incidence

Author Info
  • Kurkela, Finnish Forest Research Institute, P.O. Box 18, FIN-01301 Vantaa, Finland E-mail timo.kurkela@metla.fi (email)

Received 28 December 2000 Accepted 28 November 2001 Published 31 December 2002

Views 3481

Available at https://doi.org/10.14214/sf.537 | Download PDF

Creative Commons License CC BY-SA 4.0

Register
Click this link to register to Silva Fennica.
Log in
If you are a registered user, log in to save your selected articles for later access.
Contents alert
Sign up to receive alerts of new content

Your selected articles
Send to email
Zucchini W., Schmidt M. et al. (2001) A model for the diameter-height distribution in .. Silva Fennica vol. 35 no. 2 article id 594 (remove) | Edit comment
Cancino J., Saborowski J. (2005) Comparison of randomized branch sampling with an.. Silva Fennica vol. 39 no. 2 article id 384 (remove) | Edit comment
Renvall A., (1919) Protection forests VI. Acta Forestalia Fennica vol. 11 no. 6 article id 7026 (remove) | Edit comment
Tiililä P., (1967) Studies on the quality of seed yields in some fo.. Silva Fennica vol. 1 no. 2 article id 4744 (remove) | Edit comment
Kangas J., Klen T. (1982) Exposure of forest workers to herbicides Silva Fennica vol. 16 no. 3 article id 5164 (remove) | Edit comment
Düthorn E., Schneider L. et al. (2015) On the hidden significance of differing micro-si.. Silva Fennica vol. 49 no. 1 article id 1220 (remove) | Edit comment
Maltamo M., Karjalainen T. et al. (2018) Incorporating tree- and stand-level information .. Silva Fennica vol. 52 no. 3 article id 10006 (remove) | Edit comment
Edlund J., Warensjö M. (2005) Repeatability in automatic sorting of curved Nor.. Silva Fennica vol. 39 no. 2 article id 388 (remove) | Edit comment
Lakari O. J., (1934) Employment in the state forests of Finland Acta Forestalia Fennica vol. 40 no. 24 article id 7301 (remove) | Edit comment
Oinonen E., (1967) The correlation between the size of Finnish brac.. Acta Forestalia Fennica vol. 83 no. 2 article id 7180 (remove) | Edit comment
Kalela E. K., (1937) Forest fires in the insured forests in Finland i.. Acta Forestalia Fennica vol. 46 no. 2 article id 7337 (remove) | Edit comment
Kurkela T., (2002) Crown condition as an indicator of the incidence.. Silva Fennica vol. 36 no. 2 article id 537 (remove) | Edit comment
Your search results