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Registros recuperados: 120 | |
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OLIVEIRA, C. M. de.. |
ABSTRACT: Insects commonly well-known as white grubs are the larval phase of beetles that belong to the Melolonthidae (Coleoptera). This family contains an expressive number of insect species that have different bioecological functions in the agroecosystems in the adult and immature phases. In four of five trophic levels, they are primary and secondary consumers, secondary producers and decomposers. In Brazil there are registred about 1008 species of Melolonthidae whose larvae live in the soil. Some of them are considered important pests; normally the larval phase feed the crop roots causing damages. The symptoms occur in patches with smaller plants, yellow leaves, and drastic reduction in the plant population. The occurence of those insects in the... |
Tipo: Documentos (INFOTECA-E) |
Palavras-chave: Praga de planta; Coró; Entomologia; Inseto; Hortaliça; Pests of plants; Entomology; Insecta; Vegetables. |
Ano: 2005 |
URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/569999 |
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OLIVEIRA, C. M. de; FIALHO, J. de F.; FONTES, J. R. A.. |
ABSTRACT: The cassava (Maninhot esculenta Crantz) it is an important source of energy, it has rusticity and high yield potential, and is the base food for more than 700 million people in the world. It is considered one of the most tolerant growing crop to the insects damages, however, is a host plant about 200 species of arthropods in the American continent. In Brazil the most hazardous pests are present in the aerial part of the plant causing damages in the leaves, sprout destruction, stems and branches damages, leaves fall, depressing yield and in some cases causing plant death. Recently, the presence of mealybugs in the cassava roots and also in the leaves has been detected in States of Goiás, Minas Gerais, Bahia e Distrito Federal. The continuous... |
Tipo: Documentos (INFOTECA-E) |
Palavras-chave: Praga de planta; Inseto; Cochonilha; Entomologia; Mandioca; Maninhot esculenta; Entomology; Pests of plants; Insecta; Cassava. |
Ano: 2005 |
URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/569998 |
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Registros recuperados: 120 | |
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