Progress of the rust and brown eye rust in coffee plants during transition of conventional growing system to the organic.
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Progress of the rust and brown eye rust in coffee plants during transition of conventional growing system to the organic.
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| Id. |
6812653 |
| Idioma |
PT
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| Titulo |
Progress of the rust and brown eye rust in coffee plants during transition of conventional growing system to the organic. |
| Autor(es) |
Alex Oliveira Botelho
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| Localización |
http://bibtede.ufla.br/tede//tde_busca/arquivo.php?codArquivo=224
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| Versión |
1.0 |
| Estado |
Final
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| Descripción |
The aim of this work was to study the progress and the management of the coffee plant blight and brown eye spot, in the transition from the conventional culture to the organic. The experiment was performed in in a yellow Catuaí coffee culture, in 2,2 ha area at the Baunilha farm, in the district of Lavras (South of MG). The delineation used was the 4x4 balanced Látice, with five repetitions and 16 portions. Each portion was composed by 24 plants with 4 plants useful per line. These portions received cultural treatments concerning their respective systems of agricultural growing, in relation to fertilization and phytossanitario management. From the sixteen treatments, twelve characterized A 3x2x2 factorial, which correspond to three sources of organic substance (cattle manure, poultry bed and castor bean bran) with and without the use of the coffee straw on the sources of the organic substance and with and without the planting of green fertilization (Cajanus cajan L.) between the lines. The four additional treatments evaluated the use of the cattle manure + coal bran + double potassium and magnesium sulphate; Itafertil rock bran of 2,08t/ha (500g/plaant) + castor bean bran + coffee straw; and the use of yeasted coffee straw (20,01/plant) and bean green fertilization guandaú (Cajanus cajan L.) planted between the lines of the coffee plants as the only sources of fertilization. The incidence and severity evaluations of blight and brown eye spot in the leaves were performed monthly and the brown eye spot in fruits was performed in mature seeds, days before harvesting. The index management of the leave area (IAF) also was done monthly. The results indicated a higher intensity of blight in organic management while the brown eye spot was higher in the conventional culture. The blight intensity peak occurred in june in the organic treatments while in the witness was later being recorded in august. Yet the higher brown eye spot index occurred in April in the organic blocks and in May in the conventional. The statistic analysis I the factorial didnt show differences between the fertilization sources, the use or not of coffee straw.
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| Tipo |
PDF
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| Palabras clave |
FITOPATOLOGIA
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| Tipo de recurso |
Electronic Thesis or Dissertation
Tese ou Dissertacao Eletronica
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| Tipo de Interactividad |
Expositivo
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| Nivel de Interactividad |
muy bajo
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| Audiencia |
Estudiante
Profesor
Autor
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| Estructura |
Atomic |
| Coste |
no
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| Copyright |
sí
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Liberar o conteúdo dos arquivos para acesso público |
| Formatos |
PDF
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| Requerimientos técnicos |
Browser: Any
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| Fecha de contribución |
21-feb-2009 |
| Contacto |
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