Release of UV-absorbing substances from maize coleoptiles during auxin-, fusicoccin- and acid-mediated elongation growth

acide acids aia auxinas auxine auxins cell walls chromatographie chromatography coleoptiles crecimiento croissance cromatografia enzimas enzyme enzymes espectrometria fusicoccin fusicoccina fusicoccine growth hemicellulose hemicelulosa iaa irradiation ultraviolette mais maize pared celular paroi cellulaire phenolic compounds phytohormon plant growth substances rayonnement ultraviolet spectrometrie spectrometry sucre sugar sustancias de crecimiento vegetal ultraviolet irradiation ultraviolet radiation zea mays