biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 38:149-152, 1996 | DOI: 10.1007/BF02879651

Water relations in grapevine micro-cuttings grownin vitro

J. Guerrier-Julien1, A. Deloire1,2, A. Coudret1,3
1 Manufacture de Pneumatiques Michelin, Clermont-Ferrand Cédex, France
2 Biologie Cellulaire et Ampélologie, Université de Reims, UR4R, UFR Sciences, Reims Cédex 2, France
3 Physiologie et Biotechnologies Végétales, Université Clermont Ferrand, Clermont-Ferrand, France

Dry mater, water content, water, osmotic and pressure potentials, content of saccharides and potassium were measured duringin vitro cultivation ofVitis rootstocks. Three cases were compared: a) the micro-cuttings with normal growth; b) micro-cuttings which stop their growth after 15 d of culture, and c) micro-cuttings reactivated by 6 d of continuous darkness.
Major differences were observed in water content and osmotic potential. The stopping of growth was not a specific property of buds, but was probably due to restriction of translocation of saccharides and water in the shoot.

Keywords: in vitro propagation; osmotic potential; pressure potential; Vitis; water; potential; potential

Received: May 11, 1995; Accepted: July 31, 1995; Published: March 1, 1996  Show citation

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Guerrier-Julien, J., Deloire, A., & Coudret, A. (1996). Water relations in grapevine micro-cuttings grownin vitro. Biologia plantarum, 38(1), 149-152. doi: 10.1007/BF02879651
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