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En el CIAT, Centro Experimental, Estación de Santander de Quilichao, (Cauca, Colombia) durante 1980 y 1981 se observó la presencia de marchitez en plantas de Zornia spp., asociada a Corynebacterium flaccumfaciens. En razón de ese registro y del riesgo que implicaba su presencia en uno de los siti...


Balcázar, María del SocorroPineda López, Benjamín[Diagnóstico preliminar de bacterias coryneformes asociadas con germoplasma de Zornia spp]Diagnóstico preliminar de bacterias coryneformes asociadas con germoplasma de Zornia spp

Centrosema spp. es uno de los géneros más importantes dentro de las accesiones de leguminosas forrajeras en el área de impacto de suelos ácidos e infértiles del trópico. En estos materiales se presenta un alto porcentaje de semillas duras, que aún al proporcionar las condiciones óptimas para que...


Burbano Orjuela, Edgar Alfredo[Efecto de la escarificación química en la calidad de semilla de Centrosema spp. durante el almacenamiento]Efecto de la escarificación química en la calidad de semilla de Centrosema spp. durante el almacenamiento

En cinco muestras de semillas de B. dictyoneura cosechadas en la misma época en Colombia, Panamá y Costa Rica, se evaluó el efecto de tres niveles de calor seco (ambiente, 40 y 60°C) y tres tiempos de exposición (0, 72 y 240 h) aplicados a uno y tres meses poscosecha en espiguillas completas o es...


Sánchez, M.S.López, Y.Ferguson, John E.[Dinámica de la latencia en semillas de Brachiaria dictyoneura (Fig & Not) stapf cv llanero]Dinámica de la latencia en semillas de Brachiaria dictyoneura (Fig & Not) stapf cv llanero
Díaz, Manuel FranciscoLaing, D[Efecto de la fertilizacion foliar en el rendimiento y en el contenido de carbohidratos, nitrogeno, fosforo y potasio en frijol (Phaseolus vulgaris L.)]Efecto de la fertilizacion foliar en el rendimiento y en el contenido de carbohidratos, nitrogeno, fosforo y potasio en frijol (Phaseolus vulgaris L.)
Singh, Shree P.Urrea, Carlos A.[Performance of early generations of some intra- and interracial populations of common bean]Performance of early generations of some intra- and interracial populations of common bean

Cultivated common bean germplasm is especially diverse due to the parallel domestication of two genepools in the Mesoamerican and Andean centers of diversity and introgression between these gene pools. Classification into morphological races has helped to provide a framework for utilization of th...


Blair, Matthew W.Díaz, Lucy MilenaBuendía Castellanos, Hector F.Duque E., Myriam Cristina[Genetic diversity, seed size associations and population structure of a core collection of common beans (Phaseolus vulgaris L.)]Genetic diversity, seed size associations and population structure of a core collection of common beans (Phaseolus vulgaris L.)

A polyacrylamide gel electrophoresis procedure was developed for discriminating cultivars of the forage legume Pueraria phaseoloides on the basis of the patterns of cotyledon proteins. The genotypic marker proteins were extracted with 5M acetic acid and electrophoresed at pH 3.1 in aluminum lacta...


Hussain, A.Bushuk, WRoca, William M.[Identification of cultivars of the forage legume Pueraria phaseoloides by electrophoretic patterns of storage proteins]Identification of cultivars of the forage legume Pueraria phaseoloides by electrophoretic patterns of storage proteins

Phytate is an important antinutritional component of legume seeds, which chelates minerals that are essential to the human diet such as iron and zinc. Phytate levels are often correlated with total seed phosphorus (P). The objective of this research was to evaluate quantitative trait loci (QTL) f...


Blair, Matthew W.Sandoval Medina, TACaldas, GVBeebe, Stephen E.Paez, MI[Quantitative trait locus analysis of seed phosphorus and seed phytate content in a recombinant inbred line population of common bean]Quantitative trait locus analysis of seed phosphorus and seed phytate content in a recombinant inbred line population of common bean

The food price crisis has led to assumptions that food price rises are due to inadequate food production, and that such food insecurity is linked to seed insecurity. Hence, in response to high food prices, seed resources worth hundreds of millions of US dollars are being shipped into vulnerable f...


McGrath, S.Sperling, L.[The links between food security and seed security and seed security : facts and fiction that guide response]The links between food security and seed security and seed security : facts and fiction that guide response

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