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Ciência Rural

Print version ISSN 0103-8478


YAMAMOTO, Lilian Yukari et al. Substrates on rooting of blackberry Xavante herbaceous cuttings. Cienc. Rural [online]. 2013, vol.43, n.1, pp.15-20.  Epub Nov 13, 2012. ISSN 0103-8478.

The blackberry (Rubus spp.) stands out among the species that have good prospects for cultivation in areas of family farm agriculture. In order to optimize the multiplication of seedlings of this species, the aim of this research was to evaluate the use of different substrates and concentrations of indolebutyric acid (IBA) on the rooting of cuttings of blackberry Xavante. The experiment was performed using the completely randomized design in a 3x2 factorial arrangement (three substrates and two concentrations of IBA), with five replications of seven cuttings, and the following factors were adopted: types of substrates (vermiculite medium granules, carbonized rice husk and coconut fiber) and treated or not treated with IBA (0 and 1000mg L-1). After 80 days, the following variables were evaluated: cuttings survival; leaf retention; rooted cuttings; root number per cutting; length of the longest root; dry weight of roots per cutting; and pH; electrical conductivity; bulk density and water retention capacity of the substrates. There was no influence of the substrates and the IBA on the percentage of rooted cuttings, verifying the high efficiency on rooting of the blackberry Xavante cuttings (86.2%). For the percentage of cuttings survival the best result was obtained without the IBA application. It was concluded that the blackberry Xavante can be propagated by herbaceous cuttings efficiently, using the carbonized rice husk as low-cost option.

Keywords : propagation; indolebutyric acid; growth regulators; Rubus sp.

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