Safety Assessment of Transgenic Organisms, Volume 2

OECD Consensus Documents

image of Safety Assessment of Transgenic Organisms, Volume 2

These OECD Biosafety Consensus Documents identify elements of scientific information used in the environmental safety and risk assessment of transgenic organisms which are common to OECD member countries.  This is intended to encourage information sharing and prevent duplication of effort among countries. This book offers ready access to those consensus documents which have been published thus far. As such, it should be of value to applicants for commercial uses of transgenic crops, regulators in national authorities as well as the wider scientific community. More information on the OECD's work related to the biosafety of transgenic organisms is found at BioTrack Online (http://www.oecd.org/biotrack).


Section 2 - European White Birch (BETULA PENDULA ROTH)

European white birch, or silver birch (Betula pendula Roth), belongs to the genus Betula. There are some 40 Betula species, which are distributed throughout the northern temperate region. According to the systematics created by Regel, 1876 (in Natho 1957), the Betula genus is divided into two main sections, Eubetula and Betulaster (Table 3.3). The Betulaster section includes just a few birch species in Japan and China, in the subsection Acuminatae. The Eubetula section is further divided into three subsections, Costatae (yellow birches), Albae (white birches) and Nanae (dwarf birches). Betula pendula belongs to the Albae subsection, as does the other European treelike birch, B. pubescens.


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