Bioecologia da Cydia pomonella L. em macieira
The codling moth, Cydia pomonella L. is the most economically important pest of apple, Malus domestica Borkh. orchards all over the world. When this pest is not managed, it can cause up to 80% of apple production loss. To control the codling moth, chemical insecticides are mostly used. However, chem...
| Autor principal: | Rizzotto, Ana Paula |
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| Formato: | Trabalho de Conclusão de Curso (Graduação) |
| Idioma: | Português |
| Publicado em: |
Universidade Tecnológica Federal do Paraná
2020
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| Assuntos: | |
| Acesso em linha: |
http://repositorio.utfpr.edu.br/jspui/handle/1/10690 |
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| Resumo: |
The codling moth, Cydia pomonella L. is the most economically important pest of apple, Malus domestica Borkh. orchards all over the world. When this pest is not managed, it can cause up to 80% of apple production loss. To control the codling moth, chemical insecticides are mostly used. However, chemical pest control can negative impact the human health and the environment, plus the fact of the resistance acquired for the insect on some chemical molecules along years. Therefore, the development of a feasible codling moth control method ought to regard the pest behavior according the environmental variations in field, its biecology and control methods. The main objective of this study is to understand the bioecology of C. pomonella in two different environments, an orchard in Integrated Pest Management – IPM and an orchard without Recent Chemical Control. In order to achieve the objective, some main aspects of C. pomonella adults were considered. In both orchards, it was studied the biology of codling moth, according to the meteorological data and the abundance of the pest in the studied orchards. Secondly, the abundance and diversity of natural enemies were observed. Lastly, it was observed the interaction of C. pomonella adults with the vegetation inside and around the orchards through the study of the pollen composition found on the samples. The first study, depict the results of abundance presented a low rate C. pomonella in the orchard under Integrated Pest Management during the studied agricultural year. The second study suggests low numbers of natural enemies during the evaluated periods as well as a low C. pomonella population in the orchard under IPM when compared to the values of the orchard without Recent Chemical Control. The third study, in relation to the adults visit to the vegetation, shows that these visits were not only restricted to the plants inside the orchard,but also concerned the vegetation surrounding the studied area. In summary, the control of a pest depends on the knowledge of its behavior in relation to the environment. In this prospect, C. pomonella control in IPM has a great importance to guarantee a high production and low economic costs in regarding the environment in apple growth. |
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