Habitat complexity and mite population on Caryocar brasiliense trees



Título del documento: Habitat complexity and mite population on Caryocar brasiliense trees
Revista: Acta scientiarum. Agronomy
Base de datos: PERIÓDICA
Número de sistema: 000459894
ISSN: 1679-9275
Autores: 1
1
2
1
3
1
4
5
Instituciones: 1Universidade Federal de Minas Gerais, Instituto de Ciencias Agrarias, Montes Claros, Minas Gerais. Brasil
2Instituto Biologico, Sao Paulo. Brasil
3Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais. Brasil
4Instituto Federal Goiano, Urutai, Goias. Brasil
5Universidade Federal de Vicosa, Departamento de Entomologia, Vicosa, Minas Gerais. Brasil
Año:
Volumen: 43
País: Brasil
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Experimental, analítico
Resumen en inglés The objective was to study the habitat complexity of mite populations on Caryocar brasiliense trees under natural and cultivated field conditions. The study was performed in the municipality of Montes Claros, in the state of Minas Gerais, Brazil, over 3 years. Three types of areas were studied: 1) Cerrado, 2) pasture, and 3) a university Campus. Several chlorotic spots were detected on leaves with larger populations of Tetranychus sp. and Eutetranychus sp. (Tetranychidae). The greatest numbers of Agistemus sp. (Stigmaeidae) on leaves and Histiostoma sp. (Histiostomidae) and Proctolaelaps sp. (Ascidae) on fruits were observed in the pasture, and that of Histiostoma sp. on leaves in the pasture and on the university Campus. In general, the herbivorous mites (e.g., Tetranychus sp.) found on C. brasiliense plants were correlated with more clayey soils with a higher cationic exchange capacity; larger populations of mites (e.g., Agistemus sp. and Histiostoma sp.) were found on the C. brasiliense trees with the largest crown sizes; and associations between predator mites (e.g., Agistemus sp.) and phytophagous mites (e.g., Tetranychus sp.1) were observed. Greater habitat diversity and more complex plant architectures favored the mite populations. The positive effect of loamier soil on herbivorous mites indicates that these species are adapted to Cerrado conditions. Some recorded species of herbivorous mites can be pests in commercial plantations of C. brasiliense
Disciplinas: Biología
Palabras clave: Quelicerados,
Acaros,
Caryocar brasiliense,
Sabana neotropical,
Brasil,
Hábitat
Keyword: Chelicerata,
Acari,
Caryocar brasiliense,
Cerrado,
Brazil,
Habitat
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