Lauri Ilvessalo 
Cultivation of exotic tree species
Ilvessalo L. (1927). Cultivation of exotic tree species. Silva Fennica no. 4 article id 4442. https://doi.org/10.14214/sf.a8390
Abstract
Successful cultivation of a tree species outside its natural area of distribution involves that the original climate is similar to that of the area where it will be cultivated. Seeds should be procured from an area, where the climate is most similar to the area of cultivation. In addition, the site requirements should be met. To be worth of cultivation, the exotic tree species should offer advantages over the native species, such as wood quality, higher productivity, modest site requirement, greater endurance against spring frosts and cold in the winter, valuable by-products, resistance against grazing, insects or fungi, or improvement of soil.
In Finland, successful examples are Larix europaea Lam. & A. DC. and Larix sibirica Lebed, which both give better yield than the native species, and have better resistance against decay. In Central Europe, Pseudotsuga mentziesii (Mirb.) Fnanko, Pinus strobus L. and Pinus sitchensis (Bong.) Carriére have proved to be good forest trees. In Hungary, Robinia pseudoacacia L. has become economically important. Eucalyptus spp. have been cultivated in the Mediterranean countries, South America and California.
A summary in Finnish is included in the PDF.
Keywords
silviculture;
larch;
exotic tree species
Published in 1927
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