| Resumo: |
The present work is a study of two techniques for multiplication and conservation of Fevillea trilobata L., and an evaluation of popular knowledge of the related plant. For the multiplication study, techniques were used for propagation ´in vitro´and cutting. For the evaluation of popular knowledge of gindiroba was applied a semi-structured questionnaire to sellers who sell seeds and / or natural products in the Municipal Market Albano Franco and in fair-free in Mosqueiro Beach, both located in Aracaju / SE, beyond some sellers from the municipality of Carmópolis / SE. Plant-matrices of gindiroba, sources of explants for micropropagation experiments, were grown in the mini-garden of the Department of Biology / UFS, from seeds provided by EMBRAPA-CPATC. ´In vitro´propagation, the culture medium used was Murashige & Skoog (MS), supplemented with vitamins of Morel and Wetmore, 3% sucrose, 0.01% casein and myo-inositol, and 0.6% agar plus the BAP (0, 1, 2, 4 and 6 mgL-1), pH adjusted to 5.8, temperature 27 º ± 1 º C, photoperiod of 12 hours and irradiance of 45μmol.m-2.s-1 with cool white light. The cutting experiment was conducted in the greenhouse of the Department of Biology / UFS. For this technique had been developed two experiments. The first one with medium plant cuttings in juvenile phase and the second with cuttings of plants in reproductive phase. The treatments were formed by the combination type of cutting (stem and stem + leaf) with concentration of AIB (0, 1 and 2mg L-1) in substratum sand + clay soil (2:1). The results were submitted to analysis of variance, where significant interactions were analyzed by the Tukey test at 5% level of probability. The data were analyzed by the software GraphPad Prism, version 4. According to the results of the in vitro propagation, callus formation was higher in seedlings treated with 1 mg/L-1 BAP. For the variable of sprouting of leaves, the treatment 2 showed a statistically significant difference. The cutting experiment 1, cutting + leaf without immersion in AIB showed higher formation of new roots and leaves. For cuttings in reproductive stage, cutting + leaf immersed in 1 mg L-1 of AIB was more effective in the formation of roots and leaves. Cuttings in juvenile and reproductive phase of treatments 4, 5 and 6 had presented dehydration, although some of them have given roots and small leaves. Stakes younger and without immersion in AIB, were most suitable for the technique of cutting. According to the results of the interviews, gindiroba is used as a medicinal plant in Sergipe. However the users are unaware of the biotechnological potential of this species. |
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