Use este identificador para citar ou linkar para este item:
https://locus.ufv.br//handle/123456789/21796
Tipo: | Artigo |
Título: | Coccinellidae, Syrphidae and Aphidoletes are key mortality factors for Myzus persicae in tropical regions: A case study on cabbage crops |
Autor(es): | Fidelis, Elisângela Gomes Carmo, Daiane das Graças do Santos, Abraão Almeida Farias, Elizeu de Sá Silva, Ricardo Siqueira da Picanço, Marcelo Coutinho |
Abstract: | Natural factors regulate Myzus persicae populations in Brassicaceae crops. Ecological life table analysis is a robust tool that allows the estimation of the mortality caused by these factors. Here, we report the natural mortality of M. persicae caused by abiotic and biotic factors assessed by cohort life tables in cabbage crops. Together, these factors accounted for 94.6% mortality in M. persicae populations. The key mortality factor was predation by Coccinellidae larvae (Coccinella septempunctata, Cycloneda sanguinea, Eriopis connexa and Harmonia axyridis), Syrphidae (Allograpta exotica, Pseudodorus clavatus and Ocyptamus gastrostactus), and Aphidoletes sp. Other mortality factors included parasitism, rainfall, entomopathogens and physiological disturbance (e.g., incomplete molting). This information is essential to implement conservation measures of the main predators (key mortality factor) of M. persicae in cabbage crops. |
Palavras-chave: | Biological control Aphids Ladybirds Life table |
Editor: | Crop Protection |
Tipo de Acesso: | Elsevier Ltd. |
URI: | https://doi.org/10.1016/j.cropro.2018.06.015 http://www.locus.ufv.br/handle/123456789/21796 |
Data do documento: | Out-2018 |
Aparece nas coleções: | Artigos |
Arquivos associados a este item:
Arquivo | Descrição | Tamanho | Formato | |
---|---|---|---|---|
artigo.pdf Until 2100-12-31 | Texto completo | 576,83 kB | Adobe PDF | Visualizar/Abrir ACESSO RESTRITO |
Os itens no repositório estão protegidos por copyright, com todos os direitos reservados, salvo quando é indicado o contrário.