Abstract
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.
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Guerrier-Julien, J., Deloire, A. & Coudret, A. Water relations in grapevine micro-cuttings grownin vitro . Biol Plant 38, 149–152 (1996). https://doi.org/10.1007/BF02879651
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DOI: https://doi.org/10.1007/BF02879651