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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

Adaptation of Centrosema to an acid Ultisol (pH 4.1, 89% Al saturation), was assessed using a collection of 133 accessions representing 12 species, in a preliminary evaluation trial conducted at Santander de Quilichao, Colombia. On the basis of vigour ratings over a period of 21 months, the teste...


Schultze-Kraft, RainerKeller-Grein, Gerhard[Testing new Centrosema germplasm for acid soils]Testing new Centrosema germplasm for acid soils

During field screening from 1978 to 1981 of 121 accessions of the tropical pasture legume Stylosanthes capitata at two sites in Colombia and at Planaltina in Brazil, 94.2% of the accessions were resistant to anthracnose (caused by Colletotrichum gloeosporioides) in Colombia while 85.1% were susce...


Lenne, J.M.Thomas, D.Andrade, Ronaldo P. deVargas, A.[Anthracnose of Stylosanthes capitata: Implications for future disease evaluations of indigenous tropical pasture legumes]Anthracnose of Stylosanthes capitata: Implications for future disease evaluations of indigenous tropical pasture legumes

A total of 44 bean (Phaseolus vulgaris L.) genotypes was evaluated for disease reactions to bean golden mosaic virus (BGMV) by mechanical and whitefly inoculation under glasshouse and field conditions, respectively. Most of the genotypes reacted similarly under both screening conditions, with a f...


Morales, Francisco JoséNiessen, AI[Comparative responses of selected Phaseolus vulgaris germ plasm inoculated artificially and naturally with bean golden mosaic virus]Comparative responses of selected Phaseolus vulgaris germ plasm inoculated artificially and naturally with bean golden mosaic virus

A previously undescribed leaf spot of Centrosema spp. in Colombia and Costa Rica was found to be caused by Cylindrocladium colhounii. Symptoms included irregular, zonate, brown leaf spots, 10–30 mm in diameter; chlorosis; and defoliation. Pastures of Centrosema acutifolium cv. Vichada in the east...


Lenne, J.M.Vargas de Alvarez, A.[Leaf spot of Centrosema species caused by Cylindrocladium colhounii]Leaf spot of Centrosema species caused by Cylindrocladium colhounii

Se evaluó el tipo de faseolina en 180 accesiones cultivadas de Phaseolus vulgaris del Caribe de la colección del Centro Internacional de Agricultura Tropical (CIAT). En fríjoles de Cuba (25 accesiones) predominó el tipo S (68%, semilla pequeña, roja o negra y hábito de crecimiento de tipos II y I...


Blair, Matthew W.Pantoja Delgado, WHidalgo, R.[Diversidad de faseolinas en frijol común cultivado del Caribe = Phaseolin diversity in cultivated common bean from the Caribbean]Diversidad de faseolinas en frijol común cultivado del Caribe = Phaseolin diversity in cultivated common bean from the Caribbean

A rapid, reliable laboratory-screenhouse technique was developed to evaluate bean germplasm for resistance to and detect pathogenic variability of Fusarium oxysporum. (CIAT)


Salgado, M.Schwartz, Howard F.[Fusarium wilt screening technique for dry bean development]Fusarium wilt screening technique for dry bean development

Hart, John P.Vargas, Ana G.Beaver, James S.Debouck, Daniel G.Porch, Timothy G.[Genotyping the ex situ genetic resources of wild and cultivated tepary bean]Genotyping the ex situ genetic resources of wild and cultivated tepary bean
Iwanaga, MasaruMaass, Brigitte L.Hidalgo, Rigoberto J.[Plant genetic resources : the key to CIAT`s mission to help national agricultural systems]Plant genetic resources : the key to CIAT`s mission to help national agricultural systems

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