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Black, S.J.Jack, R.M.Morrison, W. Ivan[Host-parasite interactions which influence the virulence of Trypanosoma (Trypanozoon) brucei brucei organisms]Host-parasite interactions which influence the virulence of Trypanosoma (Trypanozoon) brucei brucei organisms

Viruses causing severe mosaic, epinasty, defoliation, and premature death of Passiflora spp. were isolated from west central Colombia. Western blot analyses indicated the presence of potyviruses. Two Colombian isolates (COL-22 and -GR) were compared to known potyviruses as to host range, symptoma...


Benscher, DPappu, SSNiblett, CLVaron de Agudelo, F.Morales, Francisco JoséHodson de Jaramillo, EÁlvarez, E.Acosta, O.[A strain of soybean mosaic virus infecting Passiflora spp. in Colombia]A strain of soybean mosaic virus infecting Passiflora spp. in Colombia

This audiotutorial unit (cassette, printed script, 93 color slides, Study guide, self-evaluation test), prepared by the Communications Support Unit at CIAT, is available for use with a manually or automatically synchronized slide projector/cassette tape recorder. Each unit is available from the D...


Ceballos L., Luis FernandoDomínguez O., Carlos E.Lozano T., José Carlos[Descripción de las enfermedades de la yuca [conjunto audiotutorial]]Descripción de las enfermedades de la yuca [conjunto audiotutorial]

Pastor Corrales, Marcial A.Schwartz, Howard F.[Problemas de producción del frijol en los trópicos]Problemas de producción del frijol en los trópicos

Morales Garzon, FJCastaño, M.[Enfermedades virales del frijol común en América Latina]Enfermedades virales del frijol común en América Latina

A description is given of the different factors limiting to bean production in Latin America, type of damage caused, environmental conditions where they prevail, and possible control measures. With regard to diseases, the following are discussed: aphid-, whitefly- and beetle-transmitted viruses, ...

Se presenta una descripcion de los diferentes factores que limitan la produccion de frijol en Latinoamerica, el tipo de dano causado, condiciones ambientales donde estos prevalecen, y posibles medidas de control. Se examinan las siguientes enfermedades: virus transmitidos por afidos, mosca blanca...


Schwartz, Howard F.Gálvez E., Guillermo E.Schoonhoven, Aart vanHoweler, Reinhardt H.Graham, Peter H.Flor Montoya, Carlos A.[Field problems of beans in Latin America]Field problems of beans in Latin America

International Center for Tropical Agriculture[The CIAT Bean Program Research strategies for increasing production]The CIAT Bean Program Research strategies for increasing production

Information on some diseases and pests that attack cassava, as well as the symptoms induced by nutritional deficiencies and toxicities and damage resulting from the misuse of herbicides are given in this manual. Specific and general recommendations regarding the control of the described problems ...

En este manual se presenta informacion sobre algunas de las enfermedades y plagas que atacan a la yuca, como tambien los sintomas inducidos por deficiencias y toxicidades nutricionales y danos debidos al uso incorrecto de los herbicidas. Se incluyen recomendaciones generales y especificas para el...


Lozano, J.C.Bellotti, Anthony C.Reyes, J.A.Howeler, Reinhardt H.Leihner, D.E.Doll, J.[Problemas en el cultivo de la yuca]Problemas en el cultivo de la yuca

Clinical and histological observations were made on pigs infected with Foot and Mouth Disease (FMD) on three separate pig farms in Colombia. Overall mortality rate was higher in young animals than adults. Approximately 159 fetuses were aborted. Nineteen (19) spontaneously FMD infected pigs were n...


Morales, Gustavo A.[Pathology of the malignant form of foot and mouth disease in swine. I. the natural disease]Pathology of the malignant form of foot and mouth disease in swine. I. the natural disease

All commercially grown bean var. in Central America of small shiny red grain type are susceptible to one or more strains of BCMV. An attempt was made to recombine the important var. characteristics of var. such as Honduras 46, Rojo Zamorano, Nahuizalco, Rojo de Seda, and Desarrural, in addition t...


Temple, Steven R.Morales, Francisco José[Conversion de cultivares de frijol (P. vulgaris) susceptibles al BCMV, a cultivares resistentes mediante la incorporacion de la resistencia hipersensible]Conversion de cultivares de frijol (P. vulgaris) susceptibles al BCMV, a cultivares resistentes mediante la incorporacion de la resistencia hipersensible

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