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Methods of vegetative reproduction are discussed using the results obtained with cassava and potato. Results of clone cleaning by heat therapy and in vitro meristem culture are given. Two methods for rapid cassava multiplication are proposed: by sprouts from cuttings and single leaf cuttings, whi...


Roca, William M.[Reproduccion vegetativa de materiales para la siembra libres de enfermedades]Reproduccion vegetativa de materiales para la siembra libres de enfermedades
Autor: Lozano, J.C.

CIAT`s contribution to this joint research program was (1) to develop a technique for the production of bacteria-free planting stocks of cassava and (2) to study the effect of physical therapeutic agents on vegetative material used for propagation. The propagation technique developed to produce C...


Lozano, J.C.[Inactivation of pathogenic organisms of cassava (Manihot esculenta Crantz) by heat and other treatments]Inactivation of pathogenic organisms of cassava (Manihot esculenta Crantz) by heat and other treatments
Autor: Lozano, J.C.

The most important bacterial disease of cassava is cassava bacterial blight (CBB). This disease was first recorded in Brazil but was later reported in Colombia and observed in several other countries in South America and Africa. Symptoms of this disease are leaf spotting, wilting, dieback and gum...


Lozano, J.C.[Cassava bacterial blight (CBB)]Cassava bacterial blight (CBB)

Bellotti, Anthony C.Reyes, J.A.[Progress in microbial control - 1975-1980 : South and Central America]Progress in microbial control - 1975-1980 : South and Central America

Ceballos, H.Calle, FGómez N., J.Navas Ríos, GEAristizábal Quintero, D.Garzón Albarracín, V[Recomendaciones de producción y uso del cultivo de la yuca (Manihot esculenta) en los Llanos Orientales]Recomendaciones de producción y uso del cultivo de la yuca (Manihot esculenta) en los Llanos Orientales

Advances in research conducted by the Centro Internacional de Agricultura Tropical together with its technicians in Central America, and the close collaboration with national programs are analyzed regarding factors limiting bean productivity in Central America: the bean pod weevil (Apion godmani)...


Gálvez E., Guillermo E.[Investigaciones sobre el picudo del frijol, la mustia hilachosa y el mosaico dorado en Centroamerica y Mexico]Investigaciones sobre el picudo del frijol, la mustia hilachosa y el mosaico dorado en Centroamerica y Mexico

In 1976 expt. were conducted on var. trials, fertilization, insecticides, and herbicides in order to identify new technology that could be introduced into small- and intermediate-scale bean production in Honduras. Factors of a complete technological package were also discarded to identify the mos...


Alvarado, LSanders, J.H.[Analisis economico de los experimentos de PROMYF con frijol en postrera, Honduras 1976]Analisis economico de los experimentos de PROMYF con frijol en postrera, Honduras 1976

These guidelines describe technical procedures that minimize the risk of pest introductions with movement of cacao germplasm for research, crop improvement, plant breeding, exploration or conservation. The recommendations made in these guidelines are intended for small, specialized consignments u...


End, M.J.Daymond, A.J.Hadley, P.Global Cacao Genetic Resources NetworkBioversity International[Guide technique pour les tranferts securises de materiel genetique de cacaoyer. Revision des Directives Techniques FAO/IPGRI No. 20 (Troisième édition, Octobre 2017)]Guide technique pour les tranferts securises de materiel genetique de cacaoyer. Revision des Directives Techniques FAO/IPGRI No. 20 (Troisième édition, Octobre 2017)

These guidelines describe technical procedures that minimize the risk of pest introductions with movement of cacao germplasm for research, crop improvement, plant breeding, exploration or conservation. The recommendations made in these guidelines are intended for small, specialized consignments...


End, M.J.Daymond, A.J.Hadley, P.Global Cacao Genetic Resources NetworkBioversity International[Technical guidelines for the safe movement of cacao germplasm. Revised from the FAO/IPGRI Technical Guidelines No. 20 (Third Update, October 2017)]Technical guidelines for the safe movement of cacao germplasm. Revised from the FAO/IPGRI Technical Guidelines No. 20 (Third Update, October 2017)

These guidelines describe technical procedures that minimize the risk of pest introductions with movement of cacao germplasm for research, crop improvement, plant breeding, exploration or conservation. The recommendations made in these guidelines are intended for small, specialized consignments...


End, M.J.Daymond, A.J.Hadley, P.Global Cacao Genetic Resources NetworkBioversity International[Directrices tecnicas para el movimiento seguro del germoplasma del cacao. Version revisada de las Directrices Tecnicas de FAO/IPGRI No. 20 (Tercera actualizacion, Octubre de 2017)]Directrices tecnicas para el movimiento seguro del germoplasma del cacao. Version revisada de las Directrices Tecnicas de FAO/IPGRI No. 20 (Tercera actualizacion, Octubre de 2017)

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