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Biotecnología en el Sector Agropecuario y Agroindustrial
versión impresa ISSN 1692-3561
Resumen
ALVAREZ S, DAVID EDUARDO et al. EVALUATION OF BIO-PRODUCTS OF FIQUE (Furcraea gigantea) IN THE CONTROL OF POTATO LATE BLIGHT. Rev.Bio.Agro [online]. 2013, vol.11, n.2, pp.29-36. ISSN 1692-3561.
The effect of a bio-productobtained from fiquejuice (Furcraea gigantea Vent.) in the management of late blight disease caused by Phytophthora infestans in two experimental crops of potato (Solanum tuberosum L.) wasevaluated.Acomplete randomized block designwith two factors was used, where the first factor corresponded to concentration: 5, 10 and 15 L.ha-1 and the second factor was the fermentation time: 2, 4 and 6 days (33ºC) compared with a control test (water) and a commercial control (Cymoxanil 8% + Mancozeb 64%). From results of the severity values, incidence and yield the 15 L.ha-1 application and four days of fermentation showed a significant differences (P<0.05) with respect to control test,but with very low levels of protection. In a second trial the concentrations tested were increased in 20, 30 and 40 L.ha-1. After statistical analysis of treatments was determined that there are no statistics differences that prove the action of plant extract in crop protection.
Palabras clave : Plant extract; Solanum tuberosum L.; Phytophthora infestans.