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Silva Fennica 1926-1997
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Articles containing the keyword 'laatuvaatimukset'

Category: Article

article id 5246, category Article
Matti Kärkkäinen, Markku Halinen. (1985). Mäntysahatukkien minimivaatimusten täsmentäminen. Silva Fennica vol. 19 no. 3 article id 5246. https://doi.org/10.14214/sf.a15425
English title: Reappraisal of minimum requirements of Scots pine saw logs.
Original keywords: mänty; sahatavara; oksaisuus; laatuvaatimukset; kuivien oksien läpimitta; mäntysahatukki
English keywords: Pinus sylvestris; Scots pine; saw logs; sawlog quality; knottiness; quality classification; sawn goods; diameter of dry knots
Abstract | View details | Full text in PDF | Author Info

A test sawing was made of 807 Scots pine (Pinus sylvestris L.) saw logs of varying size and quality. The most important knot characteristic affecting the value of sawn goods was the diameter of the thickest dry knot. The new minimum requirements for pine logs were proposed on the basis of top diameter of the log and the diameter of the thickest dry and living knot.

The PDF includes a summary in English

  • Kärkkäinen, E-mail: mk@mm.unknown (email)
  • Halinen, E-mail: mh@mm.unknown
article id 5076, category Article
Veikko Koski. (1980). Minimivaatimukset männyn siemenviljelyksille Suomessa. Silva Fennica vol. 14 no. 2 article id 5076. https://doi.org/10.14214/sf.a15017
English title: Minimum requirements for seed orchards of Scots pine in Finland.
Original keywords: mänty; siemenviljelmät; kloonit; siemenviljely; laatuvaatimukset
English keywords: Pinus sylvestris; Scots pine; Finland; seed orchards; clones; requirements
Abstract | View details | Full text in PDF | Author Info

In order to be recorded in the national list of untested seed orchards, set by law, a seed orchard must attain certain objectives. It is impossible to define universal requirements for all categories of seed orchards of all species. The present paper suggests minimum requirements for a clonal region seed orchards of Pinus sylvestris L in Finland. The clonal composition as well as factors influencing on the mating pattern have been given precise numerical threshold values. To be approved the seed orchard must fulfil all the requirements at the same time. The goal is to control the genetic superiority of the forest reproductive material obtained from registered untested seed orchards.

The PDF includes a summary in English.

  • Koski, E-mail: vk@mm.unknown (email)

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