Influence of (22S, 23S)-homobrassinolide on olive rooting

T. Ganino, B. Chiancone, D. Beghè, M. Rodolfi, A. Fabbri, R. Petruccelli, Virginia Ughini

Risultato della ricerca: Contributo in libroContributo a convegno


Brassinosteroids (BRs) have been used in woody plants to increase the rooting response. In this research, (22S, 23S)-homobrassinolide (SSHB) was tested, alone and in combination with indole-3-butyric acid potassium salt (K-IBA), to promote olive clonal propagation. In November, cuttings of two Italian cultivars, Leccino (easy-to-root) and Leccio del Corno (difficult-to-root), were collected and forced to root. Two studies were carried out: 1) evaluation of the influence on rooting of K-IBA and of different concentrations of SSHB; 2) evaluation of the simultaneous use of K-IBA and two concentrations of SSHB, on adventitious root formation. Samples were also collected for chemical studies. Results obtained in both studies confirmed the positive effect of K-IBA on rooting percentage and on number of adventitious roots produced. Furthermore, SSHB had a positive influence on the formation of lateral roots; the response is genotype and treatment dependent. Soluble sugars and phenol composition at the rooted cutting base is differentially influenced by the genotype and the growth regulators used.
Lingua originaleEnglish
Titolo della pubblicazione ospiteBook of Abstracts
Numero di pagine1
Stato di pubblicazionePubblicato - 2016
EventoVIII International olive symposium - Split, Croatia
Durata: 10 ott 201614 ott 2016


ConvegnoVIII International olive symposium
CittàSplit, Croatia


  • Brassinosteroids
  • Olea europaea L.
  • growth regulators
  • semi-hardwood cutting


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