Silvicultural Research Division FSIV
I. Introduction
Intensive research and investigations have been carried out the world over to find out fast growing tree species for raw material supply to industries, in particular species that can produce light – colour timber of high quality for the wood – based panel and utility furniture industries. Among many other species, Paulownia spp. have attracted the attention of more than one investor and scientist. Their timber is well – known for its light weight, light colour, decorative figures, its ease for being seasoned and carved, and not the least its freedom from twisting, cupping and its resistance to insects and fungus attacks. Besides, the species are also famous for their root systems developed at deeper soil layers, thus enabling their uses in combination with a variety of agro-forestry systems. By now, some 1,800,000 hectares of Paulownia have already been established with success in combination with farm crops in China. Other neighboring countries follow suit. For instance in Vietnam, the species in use is Paulownia fortunei, but its vernacular names sound differently from place to place, with the lowlanders calling it Cay Hong or Cay Bao Dong, and the ethnic groups ( the Tay, the Nung and the Dzaos) using other names of May djooc, May khang or Tong dang lang respectively, showing extensive habitats of the species. Paulownia spp. form the only timber genus of Scrophulariaceae; they are identified as P. elongati, P. fortunei, P. albiphloea,…; altogether nine species.
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- Research on techniques for natural, broad-leaved forest rehabilitation and maintenance in Northern Central Highland
- Additional research for the selection of main species in use for productive plantation in the North of western Highlands
- Research on: The physiological and ecological characters of Tarrietia javanica Blume (Huynh) and Michelia mediocris Dandy (Gioi xanh) to develop forest plantation technology
