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Enfoque UTE

On-line version ISSN 1390-6542Print version ISSN 1390-9363


RACINES OLIVA, M et al. In Vitro Organic Control Alternatives for Dactylonectria torresensis in Blackberry Rubus glaucus in Ecuador. Enfoque UTE [online]. 2019, vol.10, n.4, pp.67-77. ISSN 1390-6542.

The following research evaluated, at laboratory level, the efficiency of fungicides of organic origin against chemical fungicides of conventional use in the control of the growth of Dactylonectria torresensis, considered a pathogen of economic importance that affects the blackberry (Rubus glaucus) in Ecuador. The objective of the study was to find natural, environmentally friendly alternatives that allow obtaining clean food for the population. For this purpose, the efficiency of conventional chemical synthesis fungicides was evaluated: Azoxystrobin, Benomil, Carbendazim, Difeconazole, Fosetyl Aluminum, Tachigaren, Propiconazole, Penconazole, Metalaxil and Thiabendazole each in doses of 100, 10 and 1 ppm, compared to the efficiency of organic synthesis fungicides: neem oil, mirtaceous extract, garlic extract, pentahydrate cupric sulfate, thyme extract, applied in doses of 100, 200, and 300 ppm. It was found that the mirtaceous extract controlled 100 % of the mycelial growth of Dactylonectria torresensis, with results similar to those obtained with Carbendazim and Azoxystrobin, it is concluded that if there is an alternative for the control of the fungus, which could be used commercially by decreasing in this way the use and harmful effects of conventional agrochemicals.

Keywords : Fungistatic; sporulation; organic; Mirtaceae; mycelium..

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