Biologia plantarum 48:549-553, 2004 | DOI: 10.1023/B:BIOP.0000047151.26284.5f

The Influence of Radiation Quality on the in vitro Rooting and Nutrient Concentrations of Peach Rootstock

C. Antonopoulou1, K. Dimassi1, I. Therios1, C. Chatzissavvidis1
1 Pomology Department, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, Greece

The effect of radiation quality (350 - 740 nm) and darkness (D) on in vitro rooting, and chemical composition of the peach rootstock GF 677 was studied. Shoot explants were exposed for four weeks to cool white (control) (W), red (R), blue (B), green (G) or yellow (Y) radiation from fluorescent tubes. Some of the explants were kept in D during the rooting stage and others were maintained only for the first 2- or 4-d under R, B, G, Y or D, and subsequently were transferred to W. W was the most effective radiation source for adventitious root formation of GF 677 explants. Rooting was inhibited in those plants that remained in continuous D, and R reduced root growth in all treatments. The 2- or 4-d exposure to D, Y or B followed by W helped adventitious root development similarly as did W. G significantly increased Fe concentration in roots.

Keywords: hybrid; micropropagation; monochromatic radiation; nutrients; Prunus
Subjects: auxins; hybrid, peach rootstock; in vitro culture, micropropagation; monochromatic radiation; nutrient medium, Murashige and Skoog; nutrients, in vitro rooting; peach, rootstock; photon flux density; Prunus amygdalus × Prunus persica; radiation quality, rooting, nutrients; rootstock, Prunus amygdalus × Prunus persica

Published: December 1, 2004Show citation

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Antonopoulou, C., Dimassi, K., Therios, I., & Chatzissavvidis, C. (2004). The Influence of Radiation Quality on the in vitro Rooting and Nutrient Concentrations of Peach Rootstock. Biologia plantarum, 48(4), 549-553. doi: 10.1023/B:BIOP.0000047151.26284.5f.
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