Abstract
In Mexico, Huanglongbing HLB has become endemic in all Mexican lime producing areas. This disease is transmitted by the insect Diaphorina citri (Hemiptera: Liviidae). The objective of the study was to evaluate different plant extracts and biorational products for the control of D. citri in mexican lime. Two evaluations were made under field conditions; the first one included five treatments, with previous sampling and at 8, 20 and 27 days after the application of the treatments. In the second, eight treatments were evaluated, with prior sampling and at 6, 21 and 27 days. The response variable was the number of D. citri. A completely randomized experimental design with ten repetitions was used. A test of normality and homogeneity of variances was applied to the data, and they were processed through an analysis of variance and separation of means using Tukey (p≤ 0.05). The sweet clover extract (6.0 mL L-1) at 20 days decreased the population density by 59.2%, and Pyrifluquinazon (0.58 mL L-1) at 6 days the decrease was 31.3%. All the extracts showed to be a sustainable alternative for the management of D. citri.
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Schedule a callMore From: Revista Mexicana de Fitopatología, Mexican Journal of Phytopathology
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