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A survey of the genetic diversity among the major cuban rice cultivars was conducted using isozyme, RAPD and AFLP markers. Polymorphisms were detected for esterases, peroxidases, alcohol dehydrogenases and polyphenoloxidases systems; 21 RAPD primers and four AFLP primer combinations. Heterozygosi...


Fuentes, JLEscobar, F.Álvarez, A.Gallego Sánchez, Gerardo J.Duque E., Myriam CristinaFerrer, MDeus, J.E.Tohme, Joseph M.[Analyses of genetic diversity in Cuban rice varieties using isozyme, RAPD and AFLP markers]Analyses of genetic diversity in Cuban rice varieties using isozyme, RAPD and AFLP markers

Monoculture of irrigated rice (Oryza sativa L.) in Latin America has led to serious weed problems and intensive herbicide use. Yield loss prediction enables the economic analysis of weed control, providing a basis for strategic use of herbicides and diversified weed management, but site differenc...


Flórez, J.A.Fischer, Albert J.Ramírez, Héctor V.Duque E., Myriam Cristina[Predicting rice yield losses caused by multispecies weed competition]Predicting rice yield losses caused by multispecies weed competition

We evaluated cassava bacterial blight (CBB) infection in an pair-cross population of 150 individuals derived from an intra-specific cross between two non-inbred cassava (Manihot esculenta Crantz) lines. The replicated trials were carried out in the field under high disease pressure over two conse...


Jorge, VFregene, Martin A.Velez, C.M.Duque E., Myriam CristinaTohme, Joseph M.Verdier, Valérie[QTL analysis of field resistance to Xanthomonas axonopodis pv. manihotis in cassava]QTL analysis of field resistance to Xanthomonas axonopodis pv. manihotis in cassava
Beltrán Giraldo, Jorge AlonsoJaimes, HEcheverry, MLadino Franco, YJLópez, D.Duque E., Myriam CristinaChavarriaga Aguirre, PaulTohme, Joseph M.[Quantitative analysis of transgenes in cassava plants using real-time PCR technology]Quantitative analysis of transgenes in cassava plants using real-time PCR technology

Rapid-cycling recurrent selection has been implemented to produce cassava varieties that deliver provitamin A carotenoids to human populations that are affected by vitamin A deficiency. Rapid-cycling selection relies on quantification in just one plant per genotype. This study was conducted to a...


Ortiz, D.Sánchez, T.Morante, NCeballos, H.Pachón, HelenaDuque E., Myriam CristinaChavez, Alba L.Escobar Salamanca, Andrés F.[Sampling strategies for proper quantification of carotenoid content in cassava breeding]Sampling strategies for proper quantification of carotenoid content in cassava breeding
Ferrufino C., A.Lapointe, Stephen L.Bustamante, E.Duque E., Myriam Cristina[Efecto de Brachiaria spp. en el desarrollo y supervivencia de Zulia colombiana (Lallemand), (Homoptera cercopide 2a. parte)]Efecto de Brachiaria spp. en el desarrollo y supervivencia de Zulia colombiana (Lallemand), (Homoptera cercopide 2a. parte)
Ferrufino C., A.Lapointe, Stephen L.Bustamante, E.Duque E., Myriam Cristina[Efecto de Brachiaria spp. en el desarrollo y supervivencia Zulia colombiana (Lallemand), (Homoptera: Cercopidae)]Efecto de Brachiaria spp. en el desarrollo y supervivencia Zulia colombiana (Lallemand), (Homoptera: Cercopidae)

Quantitative information on Colombian consumption of different foods (among them beans) is presented by region, urban or rural sector, and income strata in terms of physical amounts, contribution to protein and calorie supply, and expenditure share. The study was based on a cross sectional survey...


Sanint, Luis RobertoRivas Ríos, LibardoDuque E., Myriam CristinaSeré Rabé, Carlos[Food consumption patterns in Colombia--a cross-sectional analysis of the DANE/DRI 1981 household survey]Food consumption patterns in Colombia--a cross-sectional analysis of the DANE/DRI 1981 household survey
Sanint, Luis RobertoRivas Ríos, LibardoDuque E., Myriam CristinaSeré Rabé, Carlos[Análisis de los patrones de consumo de alimentos en Colombia a partir de la encuesta de hogares DANE/DRI de 1981]Análisis de los patrones de consumo de alimentos en Colombia a partir de la encuesta de hogares DANE/DRI de 1981
Muñoz Flórez, Ligia CarmenzaBlair, Matthew W.Duque E., Myriam CristinaRoca, William M.Tohme, Joseph M.[Level of introgression in inter-specific (Phaseolus vulgaris x P. acutifolius) congruity-backcross lines]Level of introgression in inter-specific (Phaseolus vulgaris x P. acutifolius) congruity-backcross lines

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