Current issue: 55(3)

Under compilation: 55(4)

Scopus CiteScore 2019: 3.1
Scopus ranking of open access forestry journals: 6th
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Silva Fennica 1926-1997
1990-1997
1980-1989
1970-1979
1960-1969
Acta Forestalia Fennica
1953-1968
1933-1952
1913-1932

Articles by T. J. Hintikka

Category: Article

article id 7334, category Article
T. J. Hintikka. (1937). Über die Verbänderungen und Hexenbesen an der Traubenkirsche (Prunus Padus L.). Acta Forestalia Fennica vol. 45 no. 2 article id 7334. https://doi.org/10.14214/aff.7334
English title: On fasciations and witches‘ brooms on (European) bird cherry trees (Prunus padus L.).

The article presents six fasciations found in Finland on bird cherry trees. Based on the literature it seems that fasciations are the precondition for witches’ brooms. The witches’ brooms on bird cherry trees are rare, but they have been mentioned in literature. Some views on their occurrence and development are represented. Also the possible causes behind the developments are discussed based on literature.  

The PDF contains a summary in Finnish.  

  • Hintikka, ORCID ID:E-mail:
article id 7273, category Article
T. J. Hintikka. (1933). Muutamia havaintoja männyn tuulenpesistä. Acta Forestalia Fennica vol. 39 no. 2 article id 7273. https://doi.org/10.14214/aff.7273
English title: Observations on witches' brooms in Scots pine.
English keywords: witches' broom; mutation

Witches' brooms of Scots pine (Pinus sylvestris L.) have been suggested to be genetic rather than caused by bacteria. Seeds were collected from cones growing in Scots pine witches' brooms. More than half (43) of the 84 seedlings grown from the seeds were stunted and resembled witches' broom. The growth of the normal and witches' broom like seedlings were compared. When the seedlings were 8 years old, the normal seedlings were in average 37 cm and the witches' broom like seedlings 8 cm high. The result supports the theory that the witches' broom like growth was inherited in the Scots pine seedlings.

The PDF includes a summary in German.

  • Hintikka, ORCID ID:E-mail:

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