Biologia plantarum 38:605-609, 1996 | DOI: 10.1007/BF02890616
Hardening by abscisic acid of tobacco plantlets grownin vitro
- 1 Institute of Experimental Botany, Academy of Sciences of the Czech Republic, Czech Republic
Tobacco plantlets were grownin vitro on Murashige and Skoog's medium with2 % of saccharose. Addition of 0.01 mM abscisic acid (ABA) into the medium decreased stomatal conductance of the adaxial epidermis and especially the abaxial epidermis without negative effects on growth parameters. As a result the rate of water loss from ABA-treated plantlets taken out of cultivation vessels was slower than that of control plantlets. This could help their acclimation after transplantation toex vitro conditions.
Keywords: Nicotiana tabacum; stomatal conductance; transpiration curves
Received: May 7, 1996; Accepted: June 16, 1996; Published: December 1, 1996 Show citation
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