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Occurrence and bioassay responses of G : A plant growth regulator in Eucalyptus and other Myrtaceae
A K Dhawan1, D M Paton, R R Willing
1Department of Botany, Australian National University, P.O. Box 4, 2600, Canberra, A.C.T., Australia.
Planta
|December 10, 2013
Abstract:
A growth regulator (G) occurs at high concentrations in adult leaves of E. grandis Maiden. Low concentrations of G are present in juvenile leaves of this species and also in adult leaves of some other Myrtaceae. Low concentrations of G (5×10(-6) and 10(-5) M) promote rooting in mung-bean cuttings and elongation in Avena coleoptile sections; high concentrations (5×10(-4) M) inhibit. These and other bioassay results indicate that G may have auxin-like activity.

