DIGITALNA ARHIVA ŠUMARSKOG LISTA
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ŠUMARSKI LIST 1-2/1993 str. 18     <-- 18 -->        PDF

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Autovegetative Propagation of Certain species of the Genus Alnus L.


Summary


Several years of testing the autovegetative propagation of certain species of
the Alnus L, genus have shown that rooting of cuttings depends on the species;
clone; physiological condition of the cuttings; age of the donor; application of
stimulative means for the rooting; concentration of the applied stimulator; the
substrate used for planting the cuttings, etc. Adult trees are also possible to propagate
autovegetatively after grafting. The negative effects of growth, such as the
plagiotropic growth is possible to eliminate by successive passages. The elimination
of the plagiotropic effects of growth depends on the genotype (clone).


The achieved results of propagating three alder species may be used in forestry
practice in establishing the clone seed plantations; in establishing directed
plantations for biomass production; for horticultural needs and further theoretical
research on the different problems connected with improvements and raising forest
trees; for the forest tree physiology. Thus would different alder clones produced
in this way be suitable for experimental research on the modifications and genetic
variability; heredity of different properties; capacity of certain genotypes in the
fixation of the nitrogen; mycorrhizae; experimental research on the growth of
cuttings as compared to that of seedlings; the problems of rejuvenation, etc