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Ciência e Agrotecnologia

versão impressa ISSN 1413-7054versão On-line ISSN 1981-1829

Resumo

CHAGAS, Edvan Alves et al. Rooting of peach and clones of japanese apricot cutting treated with IBA. Ciênc. agrotec. [online]. 2008, vol.32, n.3, pp.986-991. ISSN 1413-7054.  https://doi.org/10.1590/S1413-70542008000300043.

The use of the japanese apricot (Prunus mume Sieb & Zucc.) as rootstock of Prunus sp. has raised a great interest due to its rusticity, resistance to plagues and diseases, adaptation and mainly for reducing the peach and nectarines. Since previous works had evidenced low cut of rooting of some clones of japanese apricot and stimulation to this process in herbaceous of cut using 2000 mg.L-1 of AIB, the objective of the present work was to study the rooting clones of peach and japanese apricot cutting treated with different concentrations of indolbutyric acid (IBA). Woody cutting of the peach tree 'Okinawa' and clones of japanese apricot Clone IAC-2, Clone IAC-X, Clone IAC-10 and Clone IAC-XIX, were standardized with 25 cm of length, absent of leaves and treated with IBA (0, 1000, 2000, 3000 and 4000 mg.L-1) for five seconds. The cuttings were placed under nursery conditions with 50% of brightness. After 90 days, the alive cutting, rooting, callous and sprouted percentage, medium number of roots of cutting were evaluated. The concentration of 2000 mg.L-1 of IBA promoted the best results of rooting percentage, callous percentage and medium number of roots of cutting. In general, Clone IAC-X demonstrated better cutting of rooting among the other clone.

Palavras-chave : Prunus mume; propagation and rootstock.

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