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Información tecnológica

On-line version ISSN 0718-0764


SOLARTE, Ruben D; OSORIO, Oswaldo; HURTADO, Andres M  and  MEJIA, Diego F. Evaluation of Antifungal activity of Spray-dried Fique (Furcraea spp) for in vitro control of Phytophthora infestans in potatoes (Solanum tuberosum L). Inf. tecnol. [online]. 2012, vol.23, n.3, pp.77-86. ISSN 0718-0764.

The objective of this research was evaluating the antifungal activity of spray-dried Fique (Furcraea spp) for in vitro control of Phytophthora infestans in potatoes (Solanum tuberosum L). The optimal drying process variables studied were the entry temperature and air velocity of 140 °C and 60 m/s. The product obtained was amended in an agar medium tomato which was placed in petri containers, inoculated with 1.2 cm in diameter of pathogens discs. The optimum treatment inhibited 100% growth of the pathogen. Also, a reduction of water activity of 37.4% was achieved. This allowed increasing its preservation. The results showed that the technique is highly favorable for the conservation of bio-products of fungal properties.

Keywords : Furcraea gigantea; Fique plant; Phytophthora Infestans; spray drying.

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