Three years field performance of in vitro propagated japanese white birch (Betula platyphylla var japonica)

Ishii, K.; Kanazashi, T.

Acta Horticulturae 319: 167-170


ISSN/ISBN: 0567-7572
Accession: 002722103

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About 100 shoots were obtained from 1 petiole which were grown on MS supplemented with IBA (0.025-0.25 mg/litre). After acclimatizing in a greenhouse the clones were transplanted in the field at a density of 40000/ha. The height of in vitro propagated plants, after 2 and 3 growth periods was 1.3 and 1.5 times greater, respectively, than the control seedlings. Average height and volume after 2 growing periods was 277 cm and 1893 cmsuperscript 3, respectively.