Control cultural de las malezas en yuca
Some cultural control measures of weeds in cassava are discussed: quality of the material, planting system and density, density x plant type interaction and use of mulching. In order to study the interaction plant type x planting density, var. M Mex 59 (vigorous) and M Col 22 (nonvigorous) were plan...
| Main Authors: | , |
|---|---|
| Format: | Book Chapter |
| Language: | Español |
| Published: |
International Center for Tropical Agriculture
1979
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/81706 |
| _version_ | 1855534326814343168 |
|---|---|
| author | Leihner, D.E. Doll, Jerry D. |
| author_browse | Doll, Jerry D. Leihner, D.E. |
| author_facet | Leihner, D.E. Doll, Jerry D. |
| author_sort | Leihner, D.E. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Some cultural control measures of weeds in cassava are discussed: quality of the material, planting system and density, density x plant type interaction and use of mulching. In order to study the interaction plant type x planting density, var. M Mex 59 (vigorous) and M Col 22 (nonvigorous) were planted in plots of 7500 and 15,000 plants/ha; and 3 levels of weed control were established: complete, intermediate and no control. The vigorous var. was less than sensitive to a deficiency in control than the nonvigorous var.; the increase in fresh root yield reached up to 60 percent at high densities. Different materials for mulching were evaluated at Carimagua and CIAT (Colombia), obtaining effective weed control with corn husks, hay from Hyparrhenia rufa and Stylosanthes guyanensis, and sugar cane leaves. Moreover, 2 cover crops (Desmodiutn heterophyllum and Phaseolus vulgaris) were evaluated, as well as cane bagasse, chemical control and continuous manual weeding systems. Highest yields in cassava were obtained with weeding 22, 40, 60 and 115 days after planting, but it was the most expensive because of the labor. The 2 cover crops are valid choices for their effectiveness, but their high cost justifies their use only when seed is produced locally and with family labor. Intercropping systems and different weed control practices were studied whereby the stabilizing effect of the cassava yield was verified and the utilization of legumes with short growing cycles was shown to reduce weed growth. It is concluded that there are many possibilities of combining cultural weed control with other measures to permit the farmer to choose between capital or labor input. (CIAT) |
| format | Book Chapter |
| id | CGSpace81706 |
| institution | CGIAR Consortium |
| language | Español |
| publishDate | 1979 |
| publishDateRange | 1979 |
| publishDateSort | 1979 |
| publisher | International Center for Tropical Agriculture |
| publisherStr | International Center for Tropical Agriculture |
| record_format | dspace |
| spelling | CGSpace817062025-11-05T17:04:57Z Control cultural de las malezas en yuca Leihner, D.E. Doll, Jerry D. manihot esculenta cover crops cultivars field experiments intercropping productivity spacing weeding cultivation cultivation systems planting research starch crops Some cultural control measures of weeds in cassava are discussed: quality of the material, planting system and density, density x plant type interaction and use of mulching. In order to study the interaction plant type x planting density, var. M Mex 59 (vigorous) and M Col 22 (nonvigorous) were planted in plots of 7500 and 15,000 plants/ha; and 3 levels of weed control were established: complete, intermediate and no control. The vigorous var. was less than sensitive to a deficiency in control than the nonvigorous var.; the increase in fresh root yield reached up to 60 percent at high densities. Different materials for mulching were evaluated at Carimagua and CIAT (Colombia), obtaining effective weed control with corn husks, hay from Hyparrhenia rufa and Stylosanthes guyanensis, and sugar cane leaves. Moreover, 2 cover crops (Desmodiutn heterophyllum and Phaseolus vulgaris) were evaluated, as well as cane bagasse, chemical control and continuous manual weeding systems. Highest yields in cassava were obtained with weeding 22, 40, 60 and 115 days after planting, but it was the most expensive because of the labor. The 2 cover crops are valid choices for their effectiveness, but their high cost justifies their use only when seed is produced locally and with family labor. Intercropping systems and different weed control practices were studied whereby the stabilizing effect of the cassava yield was verified and the utilization of legumes with short growing cycles was shown to reduce weed growth. It is concluded that there are many possibilities of combining cultural weed control with other measures to permit the farmer to choose between capital or labor input. (CIAT) Se describen algunas medidas de control cultural de malezas en yuca: calidad del material; sistema y densidad de siembra; interaccion tipo de planta x densidad y uso de coberturas. Para estudiar la interaccion tipo de planta x densidad de siembra, se sembraron las var. M Mex 59 (Vigorosa) y M Col 22 (no vigorosa) en parcelas de 7500 y 15.000 plantas/ha y se establecieron 3 niveles de control de malezas: completo, intermedio y sin control. La var. vigorosa fue menos sensible a una deficiencia en el control que la var. no vigorosa; el incremento del rendimiento de raices frescas alcanzo hasta un 60 por ciento empleando la densidad de siembra alta. En Carimagua y CIAT (Colombia) se evaluaron diferentes materiales como cobertura, y se obtuvo buen control de malezas, con paja de maiz, heno de pasto puntero (Hyparrhenia rufa) y de Stylosanthes guyanensis, y hojas de cana de azucar. Se evaluaron ademas 2 coberturas verdes (Desmodium heterophyllum y Phaseolus vulgaris) junto con bagazo de cana y sistemas de control quimico y manual continuo. El mas alto rendimiento de la yuca se obtuvo con desyerbas a los 22, 40, 60 y 115 dias de la siembra, pero fue el de mayor costo de mano de obra. Los 2 sistemas de coberturas verdes aparecen como opciones validas por su efectividad, pero su alto costo solo justifica su empleo cuando la semilla se produce localmente y la mano de obra es familiar. Se estudiaron sistemas de cultivo intercalado y diferentes practicas de manejo de malezas, con los cuales se confirmo el efecto estabilizador del rendimiento de la yuca, y se demostro que la utilizacion de leguminosas de ciclo vegetativo corto reduce el crecimiento de las malezas. Se concluye que existen muchas posibilidades de combinar el control cultural de malezas con otras medidas para permitir al agricultor escoger entre insumos de capital o mano de obra. (CIAT) 1979 2017-06-20T08:51:26Z 2017-06-20T08:51:26Z Book Chapter https://hdl.handle.net/10568/81706 es Open Access application/pdf International Center for Tropical Agriculture Programa de Yuca Leihner, D.E.;Doll, J.D. 1979. Control cultural de las malezas en yuca . In: Manual de producción de yuca . Centro Internacional de Agricultura Tropical (CIAT), Programa de Yuca, Cali, CO. p. D-11/D-22. |
| spellingShingle | manihot esculenta cover crops cultivars field experiments intercropping productivity spacing weeding cultivation cultivation systems planting research starch crops Leihner, D.E. Doll, Jerry D. Control cultural de las malezas en yuca |
| title | Control cultural de las malezas en yuca |
| title_full | Control cultural de las malezas en yuca |
| title_fullStr | Control cultural de las malezas en yuca |
| title_full_unstemmed | Control cultural de las malezas en yuca |
| title_short | Control cultural de las malezas en yuca |
| title_sort | control cultural de las malezas en yuca |
| topic | manihot esculenta cover crops cultivars field experiments intercropping productivity spacing weeding cultivation cultivation systems planting research starch crops |
| url | https://hdl.handle.net/10568/81706 |
| work_keys_str_mv | AT leihnerde controlculturaldelasmalezasenyuca AT dolljerryd controlculturaldelasmalezasenyuca |