Abstract
A rapid and efficient method for the regeneration of plantlets from root explants ofRobinia pseudoacacia L. by suspension culture was established. The roots taken from aseptically grown 15-day-old seedlings were used as explants. It was determined that photoperiodicity was necessary for root proliferation, and that the promotive effect of IAA (3-indoleacetic acid) on root proliferation was better than that of IBA (3-indolebutyric acid). The roots cultured in 1/2 MS liquid medium containing 3 µM IAA and 1% sucrose at 25°C under 16-hour photoperiod with 50 µmol m−2s−1 PPFD (photosynthetic photon flux density) shaking at 100 times/min reciprocally showed high efficiency for root proliferation. BAP (6-benzylaminopurine) was found to be essential to induce adventitious shoots from the roots, and the roots cultured in the medium supplied with 3 µM BAP combined with 1–6 µM IAA for 3 weeks under the same conditions as in the root proliferation period were most suitable for adventitious shoot inducement.
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Chen, R., Gyokusen, K. & Saito, A. Plantlets regeneration from root explants ofRobinia pseudoacacia L. by suspension culture. J For Res 3, 161–165 (1998). https://doi.org/10.1007/BF02762138
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DOI: https://doi.org/10.1007/BF02762138