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Información tecnológica

versión On-line ISSN 0718-0764

Resumen

SOLARTE, Ruben D  y  OSORIO, Oswaldo. Evaluation of Fique (Furcraea spp) juice Concentration for the In Vitro Control of Phytophthora infestans in Potato Plants (Solanum tuberosum L). Inf. tecnol. [online]. 2014, vol.25, n.5, pp.47-54. ISSN 0718-0764.  http://dx.doi.org/10.4067/S0718-07642014000500008.

The concentration of fique juice (Furcraea spp) for the In Vitro control Phytophthora infestans in potato plants (Solanum tuberosum L) has been evaluated. The final content of sapogenins in the samples was determined by HPLC-PDA. For the experiments a bifactorial design with three levels was employed, including the bath temperature and the concentration time as the experimental variables. In vitro evaluation was performed at concentrations of 10000 ug mL-1 and for the assessment analysis of variance of the results was performed finding that the C1 treatment (90 ° C x 120 min) offers the best combination to achieve a pathogen inhibition degree of 100%. It is concluded that fique juice, because of its anti fungal power, repressents a good alternative for control of the "late blight" disease caused by the pathogen Phytophthora infestans.

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