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    Biogeography of wild Arachis (Leguminosae): distribution and environmental characterization

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    S05ArtFergusonBiogeographyInthomNodev.pdf (425.2Kb)
    Date
    2005
    Author
    Ferguson, M.
    Jarvis, A.
    Stalker, H.
    Williams, D.
    Luigi Guarino, V.
    Pittman, R.
    Simpson, C.
    Bramel, P.J.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    Geographic Information System (GIS) tools are applied to a comprehensive database of 3514 records of wild Arachis species to assist in the conservation and utilisation of the species by: (a) determining the distributional range of species and their abundance; (b) characterising species environments; (c) determining the geographical distribution of species richness; and (d) determining the extent to which species are associated with river basins. Distributional ranges, climatic variables and indices of endemism for each species are tabulated. A. duranensis Krapov. & W.C. Gregory, the most probable donor of the A genome to the cultivated peanut, is distributed in close proximity to both the proposed donor of the B genome, A. ipaënsis, and the closest wild relative of the cultigen, A. monticola Krapov. & Rigoni. This region in the eastern foothills of the Andes and the adjoining chaco regions of Argentina, Bolivia and Paraguay, is a key area for further exploration for wild Arachis. An area of particularly high species richness occurs in the State of Mato Grosso, close to the Gran Pantanal in southwest Brazil. Seventy-one percent of the species were found to have some degree of association with water catchment areas, although in most cases it was difficult to determine whether this was due to climatic adaptation reasons, restricted dispersal due to geocarpic habit, or the role of watercourses as a principal dispersal agent. In only two cases could climatic adaptation be eliminated as the reason for species distribution.
    http://dx.doi.org/10.1007/s10531-004-0699-7
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/3336
    Non-IITA Authors ORCID
    Andy Jarvishttps://orcid.org/0000-0001-6543-0798
    Digital Object Identifier (DOI)
    http://dx.doi.org/10.1007/s10531-004-0699-7
    IITA Subjects
    Plant Breeding; Plant Diseases; Plant Genetic Resources; Plant Production; Pests Of Plants; Post-Harvesting Technology; Handling, Transport, Storage And Protection Of Agricultural Products; Genetic Improvement; Food Science; Crop Husbandry; Climate Change; Agribusiness
    Agrovoc Terms
    Genome; Climatic Adaptation; Arachis; Hybridisation; Cultivated Peanut; Wild Species; Genetic Marker
    Regions
    Asia; Africa; Acp; South Asia; East Africa; South America; North America; Middle East
    Countries
    India; Kenya; Colombia; United States; Brazil; Kuwait
    Collections
    • Journal and Journal Articles4835
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