Effects of SO2 on the concentrations of carbohydrates and secondary compounds in Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies (L.) Karst.) seedlings

acide organique arbre forestier azucares azufre carbohidratos carbohydrates chemical composition clone clones composition chimique feuille forest trees fructosa fructose glucide glucosa glucose hojas leaves metabolism metabolisme metabolismo metabolites metabolitos monoterpene monoterpenes monoterpenos organic acids phenolic compounds picea abies pinus sylvestris plantule progeny testing pruebas de descendencia secondary metabolites seedlings soufre sucres sugars sulphur