By recent progress in genetic engineering, it would be possible to introduce expected traits for a comparatively short period of time. Genetic engineering is expected to be useful in woody plant breeding. Dr. Ebinuma has reported a new transformation system using oncogenes of Agrobacterium as a selectable marker. And, Professor Morohoshi has presented the possibility of transgenic plants having lower lig-nin content. Moreover, the possibility of acid soil-tolerant trees was also mentioned in this session.
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