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Desmodium wart, caused by Synchytrium desmodii, severely reduced soil seed reserves, seedling survival, and recruitment of adult plants of Desmodium ovalifolium ‘CIAT 350’ to the pasture sward from 1985 to 1988 at Carimagua in the eastern plains of Colombia. Under nonflooded conditions, wart did ...
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...
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...
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...
When CIAT was created In 1967, the majority of poor and hungry people in the tropics were smallholder farmers. Increasing the productivity of their crops was, therefore, the critical entry point for CIAT’s research. Since that time, we have been concerned with nearly every aspect of tropical agri...
Cuando el CIAT fue creado en 1967, la mayoría de la gente que padecía pobreza y hambre en los trópicos eran pequeños agricultores. Por lo tanto, incrementar la productividad de sus cultivos era el punto crítico de partida para la investigación del CIAT. Desde entonces, nos hemos preocupado por at...
Cassava is mostly growing by resource-limited farmers in the Americas, Africa, Asia and Oceania. The crop is an important source of food and income for millions in the tropics. Vegetative propagation, bulkiness of planting material and risk of genetic erosion make cassava an ideal target for inno...
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