Selecao de cultivares de mandioca para adaptacao ao agroecossistema e potencial de rendimento
Efforts of the Empresa Catarinense de Pesquisa Agropecuaria to select cassava cv. adapted to the 3 main ecosystems of the state (south, upper Vale do Itajai, and west) are indicated. The selection process involves (1) introduction and preliminary selection (resistance to bacterioses); (2) advanced t...
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| Formato: | Capítulo de libro |
| Lenguaje: | Portugués |
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International Center for Tropical Agriculture
1991
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/82093 |
| _version_ | 1855539707816968192 |
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| author | Ternes, M. |
| author_browse | Ternes, M. |
| author_facet | Ternes, M. |
| author_sort | Ternes, M. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Efforts of the Empresa Catarinense de Pesquisa Agropecuaria to select cassava cv. adapted to the 3 main ecosystems of the state (south, upper Vale do Itajai, and west) are indicated. The selection process involves (1) introduction and preliminary selection (resistance to bacterioses); (2) advanced trials or adaption to the ecosystem (resistance to bacterioses, anthracnose, and pests as well as root and starch productivity, the latter of min. 26 percent); (3) regional trials (root and aerial part productivity, starch and flour production, disease resistance); (4) cv. release; and (5) multiplication of cuttings. Yield potential of cv. was found to be closely related to soil and climatic conditions; in trials carried out at 4 sites, root yields of cv. Mico and Aipim Gigante in western Santa Catarina were 36 percent higher than those obtained by the same cv. in upper Vale do Itajai. Double-cycle crops in sandy soil yielded twice as much as single- cycle crops; yields on clayey soils were almost the same for both double- and single-cycle crops. (CIAT) |
| format | Book Chapter |
| id | CGSpace82093 |
| institution | CGIAR Consortium |
| language | Portugués |
| publishDate | 1991 |
| publishDateRange | 1991 |
| publishDateSort | 1991 |
| publisher | International Center for Tropical Agriculture |
| publisherStr | International Center for Tropical Agriculture |
| record_format | dspace |
| spelling | CGSpace820932025-11-05T17:07:29Z Selecao de cultivares de mandioca para adaptacao ao agroecossistema e potencial de rendimento Ternes, M. manihot esculenta cultivars selection adaptation root productivity agroecological zonation production productivity starch crops variedades selección adaptación productividad de raices zonificacion agroecologica producción Efforts of the Empresa Catarinense de Pesquisa Agropecuaria to select cassava cv. adapted to the 3 main ecosystems of the state (south, upper Vale do Itajai, and west) are indicated. The selection process involves (1) introduction and preliminary selection (resistance to bacterioses); (2) advanced trials or adaption to the ecosystem (resistance to bacterioses, anthracnose, and pests as well as root and starch productivity, the latter of min. 26 percent); (3) regional trials (root and aerial part productivity, starch and flour production, disease resistance); (4) cv. release; and (5) multiplication of cuttings. Yield potential of cv. was found to be closely related to soil and climatic conditions; in trials carried out at 4 sites, root yields of cv. Mico and Aipim Gigante in western Santa Catarina were 36 percent higher than those obtained by the same cv. in upper Vale do Itajai. Double-cycle crops in sandy soil yielded twice as much as single- cycle crops; yields on clayey soils were almost the same for both double- and single-cycle crops. (CIAT) Se indican los esfuerzos de la Empresa Catarinense de Pesquisa Agropecuaria para seleccionar cv. de yuca adaptados a los 3 principales ecosistemas del estado (sur, Alto Vale do Itajai, occidental). El proceso de seleccion consiste en 1) introduccion y seleccion preliminar (resistencia a bacteriosis); 2) ensayos avanzados o de adaptacion al ecosistema (resistencia a bacteriosis, antracnosis y plagas; productividad de raices y de almidon, esta ultima con 25 por ciento como min.); 3) ensayos regionales (productividad de raices y de parte aerea, produccion de almidon y de harina, resistencia a enfermedades); 4) liberacion de cv. y 5) multiplicacion de estacas. Se encontro que el potencial de rendimiento de la yuca se relacionaba estrechamente con las condiciones edaficas y climaticas; en ensayos realizados en 4 localidades, los rendimientos de raices de los cv. Mico y Aipim Gigante en la region occidental de Santa Catarina fueron 36 por ciento mayores que los obtenidos por los mismos cv. en Alto Vale do Itajai. Los cultivos de 2 ciclos en suelo arenoso presentaron rendimientos 2 veces superiores a los cultivos de 1 ciclo; los rendimientos en suelo arcilloso fueron casi identicos para los cultivos de 1 y 2 ciclos. (CIAT) 1991 2017-06-20T09:00:54Z 2017-06-20T09:00:54Z Book Chapter https://hdl.handle.net/10568/82093 pt Open Access application/pdf International Center for Tropical Agriculture Ternes, M. 1991. Selecao de cultivares de mandioca para adaptacao ao agroecossistema e potencial de rendimento . In: Hershey, C.H. (ed.). Mejoramiento genético de la yuca en América Latina . Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. p. 361-369. (Publicación CIAT no. 82) |
| spellingShingle | manihot esculenta cultivars selection adaptation root productivity agroecological zonation production productivity starch crops variedades selección adaptación productividad de raices zonificacion agroecologica producción Ternes, M. Selecao de cultivares de mandioca para adaptacao ao agroecossistema e potencial de rendimento |
| title | Selecao de cultivares de mandioca para adaptacao ao agroecossistema e potencial de rendimento |
| title_full | Selecao de cultivares de mandioca para adaptacao ao agroecossistema e potencial de rendimento |
| title_fullStr | Selecao de cultivares de mandioca para adaptacao ao agroecossistema e potencial de rendimento |
| title_full_unstemmed | Selecao de cultivares de mandioca para adaptacao ao agroecossistema e potencial de rendimento |
| title_short | Selecao de cultivares de mandioca para adaptacao ao agroecossistema e potencial de rendimento |
| title_sort | selecao de cultivares de mandioca para adaptacao ao agroecossistema e potencial de rendimento |
| topic | manihot esculenta cultivars selection adaptation root productivity agroecological zonation production productivity starch crops variedades selección adaptación productividad de raices zonificacion agroecologica producción |
| url | https://hdl.handle.net/10568/82093 |
| work_keys_str_mv | AT ternesm selecaodecultivaresdemandiocaparaadaptacaoaoagroecossistemaepotencialderendimento |