Data/hora: 16/06/2024 08:15:01

Biblioteca(s): | Epagri-Sede.
Tipo da produção científica: | Artigo em Periódico Indexado
Data corrente: | 16/11/2023
Data da última atualização: | 16/11/2023
Autoria: | RIBEIRO, L. P.; AMANDIO, D. T. T.; RAKES, M.; BELEGANTE, F.; MORESCO, C.; NESI, C. N.; ZANARDI, A. M.; GRÜTZMACHER, A. D.; BERNARDI, D.; ZANARDI, O. Z.
Título: | Insecticides for corn leafhopper management versus entomopathogenic fungal isolates: In vitro compatibility, physical-chemical interactions, and on-farm assessments.
Ano de publicação: | 2023
Fonte/Imprenta: | Crop Protection, Amsterdã, v. 174, p. 1-15, 2023.
Idioma: | Inglês

Conteúdo:

This study is the first investigation of the biological compatibility of isolates IBCB 66 and Simbi BB15 of Beauveria 
bassiana and Esalq-1296 of Cordyceps fumosorosea, registered in Brazil for the management of corn leafhopper 
Dalbulus maidis, with synthetic insecticides used in the management of sucking insects in the initial growth stage 
of maize crops. The biological index was used to identify the most compatible synthetic insecticides with each 
fungal isolate tested and isolate IBCB 66 of B. bassiana was the most sensitive. In addition, most mixtures of 
synthetic insecticides with mycoinsecticides were physically compatible, except for the mixture of mycoinsecticide 
based on isolate Simbi BB15 of B. bassiana (OD formulation) with insecticides based on acephate, profenophos + 
cypermethrin, and dinotefuran + lambda-cyhalothrin, which showed absence of homogeneity. Field 
trials (on-farm assessments) of two-crop seasons indicate that compatibility of insecticides with mycoinsecticides 
is a key factor for the effectiveness of mixtures in D. maidis population suppression, reduction of incidence and 
severity of corn stunt complex (CSC), and yield of corn crops. The mixtures of imidacloprid + beta-cyfluthrin and 
imidacloprid + bifenthrin with mycoinsecticides based on B. bassiana (isolate Simbi BB15) and C. fumosorosea 
(isolate Esalq-1296) showed the best results in all parameters assessed. Thus, the association of mycoinsecticides 
with synthetic insecticides is a promising alternative for the management of the corn leafhopper and CSC 
pathosystem. However, the compatibility of synthetic insecticides is crucial for the success of the associated use 
of chemical and fungal agents.

Thesagro: | Beauveria bassiana; Chemical control; Compatibility index; Cordyceps fumosorosea; Integrated pest management (IPM).
Categoria do assunto: | O Insetos e Entomologia
URL: | http://intranetdoc.epagri.sc.gov.br/producao_tecnico_cientifica/DOC_59253.pdf
Registro original: | Epagri-Sede (Epagri-Sede)
Exemplares: | Epagri-Sede - (108866-1) - UPC - AP - DD -  -  -  - DIS