ISHS Acta Horticulturae 865: IV International Symposium on Acclimatization and Establishment of Micropropagated Plants
INFLUENCE OF LIGHT QUALITY AND INTENSITY ON ADVENTITIOUS ROOT FORMATION IN MICROSHOOTS OF PINUS PINEA L. |
| Authors: | C. Ragonezi, M.R. Castro, K. Klimaszewska, M. Lima, M.A. Zavattieri |
| Keywords: | stone pine, micropropagation, Gro-lux lamps (GL), Cool-white lamps (CW) |
| DOI: | 10.17660/ActaHortic.2010.865.38 |
| Abstract:
In the present study of Pinus pinea L., further improvement of microshoot rooting was achieved by applying Cool-white light at increased intensity from 60 to 90 µmol m-2 s-1. In contrast, light provided by Gro-lux lamps promoted rooting of the microshoots at the same frequency regardless of its intensity. Majority of microshoots (70.4%) grown under Cool-white lamps at the intensity of 90 µmol m-2 s-1 were also significantly taller when compared with those from other tested treatments. | |
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