Crude Fermented Extract Containing Gibberellic Acid Produced by Fusarium moniliforme is an Alternative to Cost Reduction in Biofactories

Nidularium procerum and Nidularium innocentii (Bromeliaceae) were cultivated in vitro on media supplemented with different sources and levels of GA(3) (gibberellic acid). These sources were the commercial powder (analytical degree) and fermented extract obtained by Fusarium moniliforme via solid state fermentation. The in vitro elongation and rooting of these plants were evaluated after 50 days of cultivation. The GA(3) present in the fermented extract possess the same effect of purified GA(3) (analytical degree) for the increase of the height of aerial part of shoots of N. innocentii, but not for the N. procerum being the GA(3) fermented extract in a lesser degree. The GA(3) fermented extract influences negatively the rooting in N. innocentii, while GA(3) analytical degree practically does not interfere in the rooting. On the other hand, in N. procerum, both the GA(3) sources reduce the root number and do not interfere in rooting percentage. GA(3) crude fermented extract is an alternative to reduce costs, however, its results can vary depending on the species and parameter evaluated. The fermented extract was stored at temperature during 260 days and its shelf life presented a suitable stability, maintaining 92% of its initial GA(3) amount.