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Erkki K. Kalela

Mäntysiemenpuiden ja -puustojen juurisuhteista

Kalela E.K. (1954). Mäntysiemenpuiden ja -puustojen juurisuhteista. Acta Forestalia Fennica vol. 61 no. 28 article id 7440. https://doi.org/10.14214/aff.7440

English title: Root systems of Scots pine seed trees and stands.

Abstract

Root systems of a Scots pine (Pinus sylvestris L.) stands of seed trees on a Vaccinium sites in Southern Finland were studied by taking soil samples around the seed trees. The results show that root system of an old Scots pine spreads relatively evenly around the tree up to at least 10 meters from the stem. The densest part of the root system is near the stem, which part is often acentric. This is probably due to root competition in the early stages of growth of the tree.

Root systems of the seed trees affect stocking of the site with seedlings and the growth of the seedlings. The root competition can cause, for instance, uneven grouping of the seedlings. It seems that the largest trees of a stand have the most even root system. It is therefore recommended to choose the strongest trees of the stand as seed trees, to ensure even distribution of seedlings.

The Acta Forestalia Fennica issue 61 was published in honour of professor Eino Saari’s 60th birthday.

The PDF includes a summary in German.

Original keywords
mänty; siemenpuut; juuristo; juurikilpailu; taimettuminen; uudistuminen

English keywords
Scots pine; Pinus sylvestris; root system; seed trees; root competition; regeneration; seedlings; natural regeneration

Published in 1954

Available at https://doi.org/10.14214/aff.7440 | Download PDF

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