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Revista Brasileira de Fruticultura

Print version ISSN 0100-2945On-line version ISSN 1806-9967

Abstract

MACEDO, Cristiane Elizabeth Costa de et al. The effect of ANA and BAP concentrations on the micropropagation and hydroponic cultures of pineapple. Rev. Bras. Frutic. [online]. 2003, vol.25, n.3, pp.501-504. ISSN 0100-2945.  http://dx.doi.org/10.1590/S0100-29452003000300035.

The effect of different ANA and BAP concentrations on in vitro and hydroponic cultures were studied. Pineapple shoots derived from Pérola explants variety were inoculated in MS media containing BAP and ANA in different concentrations. Growth parameters of shoots and plantlets were measured for in vitro and hydroponic cultures. Showed a highest multiplication rates of shoots and consequently highest fresh matter production were obtained with BAP and ANA at the concentrations of 1,0 and 0,5 mg L-1 respectively. However, the shoot length as well as the root number formed were higher in the T2 (0,5 de BAP + 0,25 de ANA) and T3 (0,25 de BAP + 0,12 de ANA) treatments. The results showed that after sixty days of hydroponic culture and in the presence of T1 treatment, all plantlets had good developing that was observed in the majority of morphological growth parameters evaluated. The results showed that it is possible to obtain high quantities of shoots and then plantlets which could be cultivated in hydroponic culture using the pineapple micropropagation procedures methods.

Keywords : Ananas comosus L. Merrill; in vitro culture; hormonal combination; hydroponic culture.

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