The effect of 1-naphthaleneacetic acid on the endogenous cytokinin content of aseptically cultured bark segments of Salix babylonica

agricultural chemicals arbre arbre forestier arbre pour bois de construction auxinas auxine auxins bark bois rond corteza crops cultivo de tejidos cultivos cytokinine cytokinins desechos de la madera dicotiledoneas dicotyledons economic plants forest products forest trees industrial crops madera en rollo methode methods naa plant growth substances plantas plantas industriales plante plante de culture plante industrielle plante pour construction plants productos productos forestales products produit produit agrochimique produit forestier roundwood salicaceae salicales salix structural crops timber trees tissue culture trees wood residues