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1. Algunos comentarios sobre la orientacion de la investigacion propiciada por CIMMYT en el contexto de los programas regionales

by Martinez Suarez, J.C | Soza, R.F [coaut.] | Villena Duchen, W.L [coaut.] | Winkelmann, D.L [coaut.].

Source: Programa Cooperativo Centroamericano para el Mejoramiento de Cultivos y Animales (PCCMCA), 24.Material type: book Book Publisher: 1978Collection: CIMMYT Staff Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: CIS-457] (2).

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2. Desarrollo, mantenimiento y produccion de semilla en variedades de maiz

by Villena Duchen, W.L.

Source: Curso sobre Control de Calidad de Semillas, 1; San Jose, Costa Rica; 3-21 Oct 1983Material type: book Book Publisher: 1983Collection: CIMMYT Staff Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: CIS-716] (3).

3. Avances de la "Cero Labranza" en el cultivo del maiz en Centro America y el Caribe

by Villena Duchen, W.L | Soza, R.F [coaut.].

Source: Programa Cooperativo Centroamericano para el Mejoramiento de Cultivos y Animales (PCCMCA), 26.Material type: book Book Publisher: 1980Collection: CIMMYT Staff Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: CIS-545] (2).

4. Concurso de produccion. Sistema eficiente de transferencia de tecnologia

by Villena Duchen, W.L | Soza, R.F [coaut.].

Source: Programa Cooperativo Centroamericano para el Mejoramiento de Cultivos y Animales (PCCMCA), 26.Material type: book Book Publisher: 1980Collection: CIMMYT Staff Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: CIS-546] (2).

5. Respuestas a seleccion para altura de planta y sus efectos en rendimiento de grano y acame de raiz en 3 poblaciones tropicales de maiz

by Villena Duchen, W.L | Johnson, E.C [coaut.].

Source: Reunion de Maiceros de la Zona Andina, 5; Cochabamba, Bolivia; 26-30 Mar 1973Material type: book Book Publisher: 1973Collection: CIMMYT Staff Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: CIS-314] (2).

6. Resumen de actividades del programa regional de maiz en Centroamerica

by Villena Duchen, W.L.

Source: Programa Cooperativo Centroamericano para el Mejoramiento de Cultivos y Animales (PCCMCA), 26.Material type: book Book Publisher: 1980Collection: CIMMYT Staff Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: CIS-547] (2).

7. Estudio preliminar de respuesta a seleccion alternada entre familias de medios hermanos seguido de seleccion entre lineas S1 en la poblacion RPMxC17

by Villena Duchen, W.L | Bonilla, N [coaut.] | Jimenez, K [coaut.] | Pixley, L [coaut.] | Salas, C [coaut.].

Source: Programa Cooperativo Centroamericano para el Mejoramiento de Cultivos y Animales (PCCMCA), 29.Material type: book Book Publisher: 1983Collection: CIMMYT Staff Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: CIS-717] (3).

8. Evaluacion de variedades experimentales nuevas para Centroamerica y el Caribe durante 1982

by Villena Duchen, W.L | Cordova, H.S [coaut.].

Source: Programa Cooperativo Centroamericano para el Mejoramiento de Cultivos y Animales (PCCMCA), 29.Material type: book Book Publisher: 1983Collection: CIMMYT Staff Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: CIS-718] (3).

9. Informe del Grupo de Mejoramiento de Maiz, Reunion de Cochabamba

by Torregroza, M | Arboleda, F [coaut.] | Avila, G [coaut.] | Cerrate, A [coaut.] | Grobman, A [coaut.] | Manrique, A [coaut.] | Obregon, P [coaut.] | Poey Diago, F.R [coaut.] | Salazar, A [coaut.] | Salhuana, W [coaut.] | Scheuch H., F [coaut.] | Sevilla, R [coaut.] | Villena Duchen, W.L [coaut.].

Source: Reunion de Maiceros de la Zona Andina, 5; Cochabamba, Bolivia; 26-30 Mar 1973Material type: book Book Publisher: 1973Collection: CIMMYT Staff Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: CIS-311] (2).

10. Resumen de actividades del programa regional de maiz en Centroamerica

by Villena Duchen, W.L.

Material type: book Book Publisher: El Batán, Tex. (México) : CIMMYT, 1977Collection: CIMMYT Staff Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: CIS-547 1977] (1).

11. Resumen de actividades del programa regional de maiz durante 1976

by Villena Duchen, W.L.

Source: Programa Cooperativo Centroamericano para el Mejoramiento de Cultivos y Animales (PCCMCA), 23; Ciudad de Panama, (Panama); 21-24 Mar 1977.Material type: book Book Publisher: 1977Collection: CIMMYT Staff Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: CIS-2346] (1).

12. Registration of two tropical and two subtropical maize germplasms

by Eaton, D.L | Byrne, P.F [coaut.] | Deutsch, J.A [coaut.] | Goertz, P.G [coaut.] | Johnson, E.C [coaut.] | Mihm, J.A [coaut.] | Ortega Corona, A [coaut.] | Pandey, S [coaut.] | Villena Duchen, W.L [coaut.].

Material type: book Book Publisher: Madison, WI (USA) ASA : 1992Collection: CIMMYT Staff Publications CollectionCollection: Serials CollectionAvailability: No items available

13. Secador solar para granos

by Soza, R.F | Villena Duchen, W.L [coaut.].

Material type: book Book Publisher: Tegucigalpa (Honduras) Secretaria de Recursos Naturales : 1979Collection: Serials CollectionAvailability: No items available

14. Resumen del ensayo uniforme de rendimiento de maíz

by Villena Duchen, W.L.

Material type: book Book Publisher: Santo Domingo (Dominican Republic) Secretaría de Estado de Agricultura : 1981Collection: Serials CollectionAvailability: No items available

15. Resumen de actividades del programa de maíz en Centroamerica durante 1977

by Villena Duchen, W.L.

Material type: book Book Publisher: San Salvador (El Salvador) CENTA : 1978Collection: Serials CollectionAvailability: No items available

16. Resumen del ensayo uniforme de rendimiento de maíz, PCCMCA 1981

by Villena Duchen, W.L | San José (Costa Rica) 22-26 Mar 1982.

Material type: book Book Publisher: San José (Costa Rica) PCCMCA : 1981Other title: Reunión Anual del PCCMCA, 28.Collection: CIMMYT Staff Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: CIS-4418] (1).

17. Respuesta agronomica y economica del maiz, Zea mays L., a la fertilizacion en El Paraiso, Honduras

by Valle, L.O | Rodriguez, V [coaut.] | Roque, T [coaut.] | Villena Duchen, W.L [coaut.].

Source: Revista ChapingoMaterial type: article Article Publisher: 1982Collection: CIMMYT Staff Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: CIS-635] (2).

18. Correlations between diplodia stalk and ear rot of corn

by Thompson, D.L | Maxwell, J.D [coaut.] | Villena Duchen, W.L [coaut.].

Source: Plant Disease ReporterMaterial type: article Article Publisher: 1971Collection: CIMMYT Staff Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: CIS-230] (2).

19. Relative performance of S1 lines of corn in crosses with two inbred lines and their F1 hybrid

by Villena Duchen, W.L.

Material type: book Book Publisher: Lincoln, NE (USA) : University of Nebraska, 1963Collection: Thesis CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: Look under author name] (3).

20. Studies of inoculation methods and inheritance of resistance to Diplodia ear rot in corn

by Villena Duchen, W.L.

Material type: book Book Publisher: Raleigh, NC (USA) : North Carolina State University, 1969Collection: Thesis CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: Look under author name] (2).

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If you have any question, please contact us at CIMMYT-Knowledge-Center@cgiar.org

Centro Internacional de Mejoramiento de Maíz y Trigo (CIMMYT) © Copyright 2015. Carretera México-Veracruz. Km. 45, El Batán, Texcoco, México, C.P. 56237.
Si tiene cualquier pregunta, contáctenos a CIMMYT-Knowledge-Center@cgiar.org