Level of infestation and occurrence of the european red mite in apple cultivars Gala and Fuji
This study aimed to verify the level of infestation and time of occurrence of the european red mite(Panonychus ulmi) on ‘Gala’ and ‘Fuji’ apples. The study was carried out in a conventional apple orchard system at Epagri/Caçador Experiment Station, SC, Brazil. Samplings were done fortnightly, during...
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| Formato: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2021 |
| País: | Brasil |
| Recursos: | Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina (Epagri) |
| Repositorio: | Agropecuária Catarinense (Online) |
| Idioma: | portugués |
| OAI Identifier: | oai:ojs2.10.20.5.244:article/911 |
| Acesso em linha: | https://publicacoes.epagri.sc.gov.br/rac/article/view/911 |
| Access Level: | acceso abierto |
| Palavra-chave: | Panonychus ulmi Malus domestica amostragem. |
| Resumo: | This study aimed to verify the level of infestation and time of occurrence of the european red mite(Panonychus ulmi) on ‘Gala’ and ‘Fuji’ apples. The study was carried out in a conventional apple orchard system at Epagri/Caçador Experiment Station, SC, Brazil. Samplings were done fortnightly, during the vegetative period, from November 2005 to December 2006. At each sampling date, a 100 leaves sample per cultivar was collectedup by taking 10 leaves per tree, in 10 randomly selected trees. On ‘Fuji’, the european red mite was present all the time during the vegetative growth, while on ‘Gala’ it was absent in November and December 2006. The mean counts on ‘Gala’ and ‘Fuji’, respectively, were 2.78 and 14.24 eggs/leaf, 0.37 and 1 immature/leaf and 0.49and 1.15 adult/leaf. The european red mite was more present and abundant on ‘Fuji’ leaves. |
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