Ethylene effects on peroxidases and cell growth patterns in Picea abies hypocotyl cuttings [diurnal variation]

biosynthese biosynthesis cell membranes cell walls cells cellule crecimiento croissance darkness enzymic activity etefon ethephon ethylene etileno growth hipocotilos hypocotyle hypocotyls light lignification luz membranas celulares membrane cellulaire obscuridad pared celular paroi cellulaire peroxidases picea abies vacuole vacuoles