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Forestry Compendium

Comprehensive, encyclopedic resource for information on forestry

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AbstractFull Text

The paper summarizes the results from research on development of embryogenic systems for in vitro regeneration in some broadleaved and coniferous species (Quercus robur L., Pinus silvestris L., Pinus nigra Arn., Picea pungens Engeln.). Effects of different factors influencing qualitative and...

Author(s)
Tsvetkov, I.; Gjuleva, V.
Publisher
Forest Research Institute, Sofia, Bulgaria
Citation
Study, conservation and utilisation of forest resources. Proceedings of the Third Balkan Scientific Conference, Sofia, Bulgaria, 2-6 October 2001. Volume II, 2002, pp 184-190
AbstractFull Text

The devitalizing process within the studied stand developed under frequent activity of adverse factors and adverse stand state, as consequence to intensive tree progress and inadequate tending. At the age of 42, approximately 75% of the overstand trees had irregularly grown and compressed crowns,...

Author(s)
Bobinac, M.; Andrasev, S.
Publisher
Forest Research Institute, Sofia, Bulgaria
Citation
Study, conservation and utilisation of forest resources. Proceedings of the Third Balkan Scientific Conference, Sofia, Bulgaria, 2-6 October 2001. Volume I, 2002, pp 426-434