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    Interactive effects of altitude, microclimate and shading system on coffee leaf rust

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    Journal Article (1.925Mb)
    Date
    2019
    Author
    Liebig, T.
    Ribeyre, F.
    Läderach, P.
    Poehling, H.M.
    van Asten, P.
    Avelino, J.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Shade effects on coffee diseases are ambiguous because they vary depending on the season and environment. Using Coffee Leaf Rust (CLR) as an example, we demonstrate relationships between the environment and shading systems and their effects on disease intensity. We characterized seasonal variations in microclimate and CLR incidence across different altitudes and shading systems, and integrated effects between the environment, shading systems, microclimate and CLR into a piecewise structural equation model. The diurnal temperature range was higher in unshaded systems, but differences decreased with altitude. Humidity related indicators in shaded systems decreased with altitude. At mid and high altitudes, high CLR incidence occurred in the shading system showing a low diurnal temperature range and a high dew point temperature. Our study demonstrates how microclimatic indicators vary as a function of the season, altitude and the coffee shading system, and how this in turn is related to CLR.
    https://dx.doi.org/10.1080/17429145.2019.1643934
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/6921
    IITA Authors ORCID
    Theresa Liebighttps://orcid.org/0000-0002-8160-0539
    Piet van Astenhttps://orcid.org/0000-0003-0584-3552
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1080/17429145.2019.1643934
    Research Themes
    Natural Resource Management
    IITA Subjects
    Climate Change; Food Security; Livelihoods; Natural Resource Management; Post-Harvesting Technology
    Agrovoc Terms
    Food Security; Agriculture; Climate Change; Hemileia Vastatrix; Coffee; Shade; Microclimate
    Regions
    Africa; East Africa
    Countries
    Uganda
    Hubs
    Eastern Africa Hub
    Journals
    Journal of Plant Interactions
    Collections
    • Journal and Journal Articles4839
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