Responses of Pinus sylvestris branches to simulated herbivory are modified by tree sink/source dynamics and by external resources

abonos abonos fosfatados abonos nitrogenados azote azucares branche branches chemical composition composition chimique crecimiento croissance defence mechanisms defoliation dietary fibres engrais fertilizers fibra de la dieta fibre alimentaire foliage growth ligninas lignine lignins mecanismos de defensa meristemas meristems metabolites metabolitos nitrogen nitrogen fertilizers phosphate fertilizers pinus sylvestris protein synthesis ramas sesquiterpenoids sesquiterpenos stems sucres sugars tallo terpenoide terpenoidos terpenoids tige