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Under compilation: 58(4)

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Silva Fennica 1926-1997
Acta Forestalia Fennica

Articles containing the keyword 'identification'

Category : Article

article id 5084, category Article
K. M. Bhat, Matti Kärkkäinen. (1980). Distinguishing between Betula pendula Roth. and Betula pubescens Ehrh. on the basis of wood anatomy. Silva Fennica vol. 14 no. 3 article id 5084.
Keywords: Betula pendula; Betula pubescens; wood anatomy; identification; perforation plate
Abstract | View details | Full text in PDF | Author Info

It was concluded on the basis of the anatomical investigations of four mature trees that Betula pendula Roth can be distinguished from B. pubescens Ehrh. using the number of bars per scalariform perforation plate as an identification factor. If the average number of bars is more than 17.6, the sample is probably from B. pubescens, and if less, from B. pendula. The accuracy can be slightly improved by using the vessel frequency as another factor.

The PDF includes a summary in Finnish.

  • Bhat, E-mail: kb@mm.unknown (email)
  • Kärkkäinen, E-mail: mk@mm.unknown

Category : Article

article id 7592, category Article
Anna-Maija Hallaksela. (1977). Kuusen kantojen mikrobilajisto. Acta Forestalia Fennica no. 158 article id 7592.
English title: Microbial flora isolated from Norway spruce stumps.
Original keywords: kuusi; juurikääpä; kannot; mikrobit; sienet; lahottajat; tunnistus
English keywords: Norway spruce; Picea abies; stumps; Heterobasidion annosum; fungi; bacteria; identification; microbes; Bacidiomycotina; Ascomycotina; Deuteromycotina
Abstract | View details | Full text in PDF | Author Info

The aim of the study was to identify the microbes which reach the cut surface of Norway spruce (Picea abies (L.) Karst.) stumps during the first year after felling by means of air born spores, determine their occurrence frequency and the combinations in which they occur, investigate the colour changes in the wood caused by microbes and identify the microbial species isolated from the sap- and heart-wood.

The material consisted of 360 spruce stumps. 300 of the stumps were innoculated with five different fungi (Phlebia gigantea, Botrytis cinerea, Gliocladium deliquescens, Trichoderma viride, Verticicladiella procera) in order to inhibit air-born attack by Heterobasidion annosum. 60 stumps were left untreated as controls.

The cultural characteristics of the following fungi isolated from the stumps have been described e.g.: Ceraceomerulius serpens, Chondrostereum purpureum, Cylindrobasidium evolvens, Peniophora pithya, Phlebia gigantea (Phlebiopsis gigantea) , P. subserialis, Sistotrema brinhmannii, Bjerkandera adusta, Coriolellus serialis, Trametes zonata, Armillariella mellea, Panellus mitis, Nectria fucheliana (microconidial-stage), Ascocoryne cylichnium (conidial-stage), Leptographium lundbergii, Acremonium butyri, Gliocladium deliquescens, Verticicladiella procera.

The proportion of Basidiomycotina fungi out of the whole material was 53 %, Ascomycotina and Deuteromycotina fungi 37,6 % and bacteria 7,3 %.

The PDF includes a summary in English.

  • Hallaksela, E-mail: ah@mm.unknown (email)

Category : Research article

article id 500, category Research article
Jarkko Hantula, Eeva Vainio. (2003). Specific primers for the differentiation of Heterobasidion annosum (s.str.) and H. parviporum infected stumps in northern Europe. Silva Fennica vol. 37 no. 2 article id 500.
Keywords: IS group S; IS group P; molecular identification; root and butt rot
Abstract | View details | Full text in PDF | Author Info
Two separate amplification products from random amplified microsatellite fingerprints of Heterobasidion annosum (s.str.) and H. parviporum were converted to specific markers. The markers were tested to be species specific and combined to a single PCR-reaction, which allowed the detection and identification of the two fungi directly from wood samples.
  • Hantula, Finnish Forest Research Institute. Fax +358 9 8570 5531 E-mail: (email)
  • Vainio, Finnish Forest Research Institute. Fax +358 9 8570 5531 E-mail:

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