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Biotecnia
On-line version ISSN 1665-1456
Abstract
MURILLO-CUEVAS, Félix D. et al. Evaluation of biorational insecticides for whitefly (Hemiptera: Aleyrodidae) control in vegetables production. Biotecnia [online]. 2020, vol.22, n.1, pp.39-47. Epub July 03, 2020. ISSN 1665-1456. https://doi.org/10.18633/biotecnia.v22i1.1123.
In the state of Veracruz, the control of whitefly with synthetic insecticides in vegetables has caused contamination problems. The objective of the present investigation was to evaluate the efficiency of biorational products for whitefly control in tomato cultivation under greenhouse conditions, and in chili and squash under open sky conditions. In tomato, treatments were Nim oil 4% IA, Nim oil + Metarhizium anisopliae 1x107 mL-1, Nim oil + Beauveria bassiana 1x107 mL-1, Nim oil + Isaria javanica 1x107 mL-1 and Blank (control). In chili and squash, treatments were Metarhizium anisopliae 1x107 mL-1, Isaria fumosorosea 1x107 mL-1, Beauveria bassiana 1x107 mL-1 and Blank (control). The Nim oil + M. anisopliae and Nim oil + I. javanica treatments were the most efficient in tomato and the B. bassiana and M. anisopliae based insecticides in chili and zucchini, respectively. There is a potential for the use of entomopathogenic fungi for whitefly control in tomato under greenhouse conditions, and chili and squash under open sky conditions, a potential applicable to high technology and traditional production conditions.
Keywords : Entomopathogens; tomato; chili; pests.