1. RESULTS OF CAMMELIA SASANQUA SELECTION PLUS TREE AND CLONAL TEST BY THE METHOD OF SHIFTED-CROWN GRAFTING IN NGHIA DAN – NGHE AN Hoang Van Thang Silviculture Techniques Research Division Forest Science Institute of Vietnam   SUMMARY   After 3 years of monitoring and selecting, five plus trees were selected at Nghia Loc Commune - Nghia Dan District– Nghe An Province. The plus trees gained yield and oil content higher 20% and 15% respectively than those of the average value … [Read more...]

1. DETERMINING THE AGE OF CALAMUS TETRADACTYLUS PLANTS Pham Van Dien Vietnam Forest University SUMMARY This article focuses on how to visually determine the age of Rattan (Calamus tetradactylus). Rattan is one of species producing non-timber forest products with a high economic value and has the potential for large scale planting in many parts of Vietnam. Research methods that adaptable with objectives are applied, in duration of March 2008 to March 2010, based on outward form of … [Read more...]

1. RESEARCH RESULTS FROM INTENSIVE PLANTING OF EUCALYPTUS AT THE NORTH-EASTERN VIETNAM FOREST SCIENCE AND PRODUCTION CENTRE Le Minh  Cuong North Eastern Vietnam Forest Scientific and Production Center Forest Science Institute of Vietnam SUMMARY For plantation forests to attain high productivity and economic effectiveness, they require not only good varieties, but also appropriate intensive planting methods. Models of intensive planting of clones U6 and PN2 were established at the … [Read more...]

1. PROPAGATION OF CHUKARASIA SPECIES BY TISSUE CULTURE Doan Thi Mai, Nguyen Thi My Huong, Van Thu Huyen, Vu Thi Ngoc, Tran Thanh Huong Research Centre for Forest Tree ImprovementForest Science Institute of Viet Nam SUMMARY Chukrasia is one of the most important commercial tree species in Vietnam. It is used for various purposes. Plant tissue culture can be applied to quickly propagate selected Chukrasia species. The suitable sterilization method is 1% HgCl2 for 15 minutes. The suitable … [Read more...]

1. MORPHOLOGICAL AND ANATOMICAL CHARACTERISTICS OF THE LEAVES OF SOME MELALEUCA SPECIES AND THEIR HYBRIDS    Hoang Vu Tho Forestry University Pham Duc Tuan Forestry Department       SUMMARY This study investigated the morphology and anatomy of the leaves of some interspecies crossing combinations of Melaleucas which were grown for testing in 2004 on swampy, seasonally flooding ground at Gia Vien county, Ninh Binh province.             The research aims at determining the difference … [Read more...]

1. RESEARCH AND DETERMINE PLANTING REGION FOR E.UROPHYLLA WITH THE PURPOSE OF SUPPLYING BIG-SIZED TIMBER IN THE NORTH Central REGION OF VIETNAM Nguyen Thanh Son, Dang Van Thuyet Forest Science Institute of Vietnam SUMMARY The objective of this research is to identify the planting region for E. urophylla in North Central Vietnam suitable for supplying large timber. Groups of factors have been considered in order to determine a planting region for E. urophylla including the climate, soil, and … [Read more...]

 1. Assessment oF THE Suitability of Hopea odorata plantations in Southeast Vietnam Ngo Dinh Que Research Center for Forest Ecology and Environment Forest Science Institute of  Vietnam SUMMARY Based on the results of forest inventories, surveys and research into natural conditions and soil characteristings under both Hopea odorata natural forests and plantations in Southeast Vietnam, the research has been able to develop some initial assessments on a number of soil factors that effect the … [Read more...]

1. Characteristics and keys for identification of genera of Bambusinae Subtribe recorded in Vietnam  Tran Van Tien, Nguyen Hoang Nghia Forest Science Institute of Vietnam  Summary  Eight genera of Bambusinae subtribe in Vietnam which were found during the field surveys during 2003-2006 are: Bambusa, Bonia, Dendrocalamus, Gigantochloa, Kinabaluchloa, Maclurochloa, Melocalamus and Thyrsostachys. Based on flower structure ß 37 species ß 5 genera and morphological characteristics of other … [Read more...]

1.                Betula alnoides Buch. Ham. EX D. Don, a potential tree for large scale planting in some areas of Vietnam  Nguyen Hoang Nghia Scientific Planning Division Pham Quang Thu Forest Plant Protection Research DivisionForest Science Institute of Viet Nam SUMMARY Betula alnoides is a large species , deciduous tree reaching 30m height and 85cm diameter at breast height in natural forests and is a heliophilous species, intolerant of shade. It is difficult for this species to … [Read more...]