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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
Jorge, M.A.B.Hanson, JeanTedla, A.Abdena, A.[Promoting forages for livestock feed through germplasm and knowledge]Promoting forages for livestock feed through germplasm and knowledge
Keller-Grein, GerhardMaass, Brigitte L.Hanson, Jean[Variación natural en Brachiaria y bancos de germoplasma existentes]Variación natural en Brachiaria y bancos de germoplasma existentes

All eastern Africa is in the tropics, but its grasslands cover a very wide range of altitudes. Extensive grasslands are mostly in arid and semi -arid zones. The area is subject to droughts and a high degree of pastoral risk. Potential vegetation is largely desert and semi-desert, bush and woodlan...


Reid, Robin S.Serneels, S.Nyabenge, M.Hanson, Jean[The changing face of pastoral systems in grass dominated ecosystems of Eastern Africa]The changing face of pastoral systems in grass dominated ecosystems of Eastern Africa
Duncan, Alan J.Hanson, JeanSpielman, David J.Puskur, Ranjitha[Forage seed supply in Ethiopia: Some thoughts on status and how it might evolve]Forage seed supply in Ethiopia: Some thoughts on status and how it might evolve

Ramírez Villegas, JuliánJarvis, AndyFujisaka, SamHanson, JeanLeibing, C.[Crop and forage genetic resources: International interdependence in the face of climate change]Crop and forage genetic resources: International interdependence in the face of climate change

The reproductive mechanism of forage species determines procedures for seed production and isolation distances needed to obtain uncontaminated seed from cultivars and genotypes so that they remain genetically true to type. A large number of tropical forage species has been identified as being pot...


Hacker, J.B.Hanson, Jean[Crop growth and Development: Reproduction]Crop growth and Development: Reproduction

Dulloo, EhsanHanson, JeanSthapit, B.R.[Agricultural biodiversity conservation and management – the role of ex situ approaches]Agricultural biodiversity conservation and management – the role of ex situ approaches

Halewood, MichaelSood, R.Hamilton, Ruaraidh S.Ahmed, A.Houwe, I. van denRoux, N.Dumet, D.Hanson, JeanUpadhyaya, Hari D.Jorge, M.A.B.Tay, D.[Changing rates of acquisition of plant genetic resources by international gene banks: Setting the scene to monitor an impact of the International Treaty]Changing rates of acquisition of plant genetic resources by international gene banks: Setting the scene to monitor an impact of the International Treaty

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