Eficacia de fungicidas en el control de mildiu velloso (Pseudoperonospora cubensis Berk & Curt.) en el cultivo de pepino

The objective of the present investigation was to evaluate the control efficacy of fungicides (Metalaxyl+ copper oxychloride, Mancozeb+ metalaxyl, Fosetyl al, Dimethomorph, Difenoconazole) for the control of Downy Mildew (Pseudoperonospora cubensis) in cucumber cultivation. The evaluation was carrie...

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Autore principale: Burbano Coaboy, Roberto Benjamín (author)
Altri autori: Heredia Ilvis, Steven Bladimir (author)
Natura: bachelorThesis
Lingua:spa
Pubblicazione: 2024
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Accesso online:http://repositorio.espam.edu.ec/handle/42000/2376
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Riassunto:The objective of the present investigation was to evaluate the control efficacy of fungicides (Metalaxyl+ copper oxychloride, Mancozeb+ metalaxyl, Fosetyl al, Dimethomorph, Difenoconazole) for the control of Downy Mildew (Pseudoperonospora cubensis) in cucumber cultivation. The evaluation was carried out on the Polytechnic campus of the Higher Polytechnic Agricultural School of Manabí "MFL". A DBCA was used with 4 repetitions, 28 days after sowing the first application of the fungicides was made in the six treatments, three applications were made with intervals of 15 days from day 28 to day 58, the variables evaluated were; Incidence, severity, number of fruits per plant, fruit length, fruit diameter and fruit weight. Based on the results obtained, it is concluded that the most effective treatment showed the reduction of the fungus was with the fungicide Mancozeb + Metalaxyl with percentages of 2.69, 12.5 and 16.5% of severity in the three-monitoring carried out, as for the control, the percentage of severity presented values of 6.38; 33% and 76.56%.