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Influence of light on adventitious root formation in birch shoot culturesin vitro

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Biologia Plantarum

Abstract

The influence of light of different spectral composition and levels of irradiance (2-40 Wm-2) on adventitious root formation (ARF) in birch shoot segments was investigated. Spontaneous rooting of shoot segments occurred in segments with intact apical or axillary meristems. Concerning ARF shoot meristems could be substituted by application of auxin. The very low rooting percentage of shoot segments in darkness was improved considerably by auxin application. Irradiation of cuttings was a requirement for a high percentage of spontaneous rooting. The promoting effect of light was dependent on its spectral composition and was the highest under red followed by white and blue light. The low rooting response under blue light was enhanced almost to the red light level by shielding the root-forming cutting base from light.

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Pinker, I., Zoglauer, K. & Göring, H. Influence of light on adventitious root formation in birch shoot culturesin vitro . Biol Plant 31, 254–260 (1989). https://doi.org/10.1007/BF02907285

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  • DOI: https://doi.org/10.1007/BF02907285

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