Regulation of Agrotis ipsilon with Azadirachta indica A. Juss in Lettuce (Lactuca sativa L.)
DOI:
https://doi.org/10.5281/zenodo.19556959Keywords:
agricultural yield, Agrotis ipsilon, Azadirachta indica, biological control, Lactuca sativaAbstract
Introduction: the research was conducted at the Citrus Nursery, Basic Business Unit Frutales Ceballos, El Cartucho, Ciego de Ávila, between October and December. Objective: analyze the feasibility of using aqueous extract of Azadirachta indica A. Juss. leaves as an alternative for the control of Agrotis ipsilon in Lactuca sativa L. Method: a design with a control group and three treatments (5, 10, and 15 g.L-1) was used, with five repetitions. Applications were made at transplanting and at 15, 30, and 45 days. Incidence, severity, bud diameter, yield, and response to the concentrations were evaluated. The statistical analysis included ANOVA, Tukey tests, and Minimum Significant Difference at 5 %. Results: The maximum concentration (15 g.L-1) showed the best effects, reducing the incidence (11.25 %, 21.25 %, and 35 %) and severity (13.82 %, 15.83 %, and 17.79 %) at each stage. A greater bud diameter (16.09 cm) and a higher yield (33.33 kg.ha-1) were observed. Conclusion: The aqueous extract of Azadirachta indica leaves at its maximum concentration is an effective ecological alternative to regulate Agrotis ipsilon in Lactuca sativa cultivation, significantly reducing damage and improving the evaluated agronomic parameters.
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