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The purpose of this study is to define the range of adaptation of Stylosanthes guianensis CIAT 184, released in 1985 as cv. Pucallpa by IVITA (Instituto Veterinario de Investigaciónes Tropicales y de Altura) and INIPA (Instituto Nacional de Investigación y Promoción Agropecuaria) in Peru. Data fr...


Amézquita, María CristinaToledo, José M.Keller-Grein, Gerhard[Agronomic performance of Stylosanthes guianensis cv. Pucallpa in the American tropical rain forest ecosystem]Agronomic performance of Stylosanthes guianensis cv. Pucallpa in the American tropical rain forest ecosystem

Adaptability of 5 grass and 13 legume accessions tested in 34 regional agronomic trials throughout the South American humid tropics was assessed by conducting multilocational analysis on seasonal dry matter yield at 12 weeks regrowth. Among legumes, Stylosanthes guianensis CIAT 184 and 136, Desmo...


Keller-Grein, GerhardAmézquita, María CristinaLema, GFranco, LH[Multilocational testing of grasses and legumes in the humid tropics of South America]Multilocational testing of grasses and legumes in the humid tropics of South America

Schultze-Kraft, RainerKeller-Grein, Gerhard[Recolección de germoplasma nativo de leguminosas forrajeras en los departamentos de Meta y Vichada, Colombia]Recolección de germoplasma nativo de leguminosas forrajeras en los departamentos de Meta y Vichada, Colombia

Keller-Grein, Gerhard[Caracterización y evaluación agronómica de germoplasma de nuevas leguminosas forrajeras tropicales]Caracterización y evaluación agronómica de germoplasma de nuevas leguminosas forrajeras tropicales

Keller-Grein, GerhardToledo, José M.[Nueva tecnologia de pasturas para la Amazonia]Nueva tecnologia de pasturas para la Amazonia

Reyes A., César A.Keller-Grein, GerhardPérez, Ricardo C.[Experiencia regional con Centrosema:Perú, Bolivia y Ecuador]Experiencia regional con Centrosema:Perú, Bolivia y Ecuador

Brachiaria species have become important components of sown pastures in the humid lowlands of tropical America. This ecosystem occupies about 50 of Brazil; 60 of the area encompassed by Bolivia, Peru, and Ecuador; 14 of Mexico; and significant areas in other countries of the region. The cultivars...


Pizarro, Esteban A.Valle, Cacilda Borges doKeller-Grein, GerhardSchultze-Kraft, RainerZimer, A.H.[Regional experience with Brachiaria: Tropical America-savannas]Regional experience with Brachiaria: Tropical America-savannas

Brachiaria species have become important components of sown pastures in the humid lowlands of tropical America. This ecosystem occupies about 50 of Brazil; 60 of the area encompassed by Bolivia, Peru, and Ecuador; 14 of Mexico; and significant areas in other countries of the region. The cultivars...


Argel M., Pedro J.Keller-Grein, Gerhard[Regional experience with Brachiaria: Tropical America-humid lowlands]Regional experience with Brachiaria: Tropical America-humid lowlands

Seven perennial species of African origin-Brachiaria arrecta, B. brizantha, B. decumbens, B. dictyoneura, B. humidicola, B. mutica, and B. ruziziensis-have been used as fodder plants, particularly in tropical America. The history of the commercial cultivars is given, and their most important attr...


Keller-Grein, GerhardMaass, Brigitte L.Hanson, Jean[Natural variation in Brachiaria and existing germplasm collections]Natural variation in Brachiaria and existing germplasm collections

Twenty-three accessions of Centrosema pubescens selected for good performance on an infertile, acid soil were tested along with 2 control lines each of C. pubescens and C. acutifolium at 18 locations in tropical America and one location in tropical China. The sites represent 3 major agroecosystem...


Keller-Grein, GerhardSchultze-Kraft, RainerFranco, LHRamírez, G.[Multilocational agronomic evaluation of selected Centrosema pubescens germplasm on acid soils]Multilocational agronomic evaluation of selected Centrosema pubescens germplasm on acid soils

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