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The Amazon river dolphin, genus Inia, is endemic to the major river basins of northern South America. No previous studies have focused on the genetic structure of this genus. In this work, 96 DNA samples from specimens of this genus were collected in the Orinoco basin (four rivers), the Putumayo ...


Banguera Hinestroza, ECárdenas, H.Ruiz Garcia, MMarmontel, MGaitán Solís, ElianaVazquez, RGarcía Vallejo, F.[Molecular identification of evolutionary significant units in the Amazon river dolphin Inia sp. (Cetacea: Iniidae)]Molecular identification of evolutionary significant units in the Amazon river dolphin Inia sp. (Cetacea: Iniidae)

Plant-to-plant phenotypic variation has been observed within accessions of S. capitata maintained at the Centro Internacional de Agricultura Tropical (CIAT) since shortly following introduction. A small experiment was conducted to determine the potential importance of natural outcrossing as a cau...


Miles, John W.[Natural outcrossing in Stylosanthes capitata]Natural outcrossing in Stylosanthes capitata

A breeding program to select low-mimosine lines of leucaena has been in progress since 1970. Selections were evaluated in two field trials at Lansdown. Although the low-mimosine selections did indeed have lower mimosine than the control cultivars, their dry matter yield was also inferior (about t...


Bray, RAHutton, EMBeattie, WM[Breeding Leucaena for low-mimosine: Field evaluation of selections]Breeding Leucaena for low-mimosine: Field evaluation of selections
Autor: Grof, B

The yield attributes of 18 accessions of Centrosema, comprising the species, C. macrocarpum, C. brasilianum, Centrosema sp. nov. were compared in two experiments under a cutting regime. Small, grazed swards of various Centrosema spp. sown with Andropogon gayanus in mixture were also studied, with...


Grof, B[Forage potential of some Centrosema species in the Llanos Orientales of Colombia]Forage potential of some Centrosema species in the Llanos Orientales of Colombia

Breeding efforts have focused on improving agronomic traits of the cassava plant however little research has been done to enhance the crop palatability. This review investigates the links between cassava traits and end-user preference in relation with sensory characteristics. The main trait is st...


Bechoff, AurélieTomlins, Keith I.Fliedel, GenevièveBecerra López Lavelle, Luis AugustoWestby, AndrewHershey, Clair H.Dufour, D.L.[Cassava traits and end-user preference: relating traits to consumer liking, sensory perception, and genetics]Cassava traits and end-user preference: relating traits to consumer liking, sensory perception, and genetics
Suarez-Vasquez, SenenMachado, L.F.Pizarro, Esteban A.[Seleccion de gramineas y leguminosas forrajeras en la zona cafetera de Supia, Colombia]Seleccion de gramineas y leguminosas forrajeras en la zona cafetera de Supia, Colombia

Progress on the observations regarding genetic variability in some Phaseolus spp. is summarized, based on an analysis of phaseollin and isozime variability. In a group of 270 cv. from Latin America, most of them wild, the variability of 8 loci of isozimes was analyzed. Binding data of 5 of these ...


Schinkel, C.Singh, S.P.Gepts, Paul L.[Patterns of genetic diversity in Phaseolus beans]Patterns of genetic diversity in Phaseolus beans
Wenzl, PeterMancilla, Lida I.Rao, Idupulapati M.Mayer, Jorge Edgard[Isolation of rare cDNAs by asymmetric self-hybridization]Isolation of rare cDNAs by asymmetric self-hybridization

The genetic basis of quantitative disease resistance has been studied in crops for several decades as an alternative to R gene mediated resistance. The most important disease in the potato crop is late blight, caused by the oomycete Phytophthora infestans. Quantitative disease resistance (QDR), a...


Álvarez, María FernandaAngarita, MyrianDelgado, María C.García, CelsaJiménez-Gomez, JoséGebhardt, ChristianeMosquera, Teresa[Identification of Novel Associations of Candidate Genes with Resistance to Late Blight in Solanum tuberosum Group Phureja]Identification of Novel Associations of Candidate Genes with Resistance to Late Blight in Solanum tuberosum Group Phureja
Núñez Zarantes, Víctor ManuelMartínez Racines, César PompilioNarváez Vásquez, JavierRoca, William M.[Obtención de líneas homocigotas de arroz [Oryza sativa L.] tolerantes a la toxicidad de aluminio utilizando el cultivo de anteras]Obtención de líneas homocigotas de arroz [Oryza sativa L.] tolerantes a la toxicidad de aluminio utilizando el cultivo de anteras

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