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

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Liebig, T.; Ribeyre, F.; Läderach, P.; Poehling, H.-M.; van Asten, P. et al.: Interactive effects of altitude, microclimate and shading system on coffee leaf rust. In: Journal of Plant Interactions 14 (2019), Nr. 1, S. 407-415. DOI: https://doi.org/10.1080/17429145.2019.1643934

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Abstract: 
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. © 2019, © 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.
License of this version: CC BY 4.0 Unported
Document Type: article
Publishing status: publishedVersion
Issue Date: 2019
Appears in Collections:Naturwissenschaftliche Fakultät

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pos. country downloads
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1 image of flag of Germany Germany 20 71.43%
2 image of flag of United States United States 2 7.14%
3 image of flag of India India 2 7.14%
4 image of flag of Seychelles Seychelles 1 3.57%
5 image of flag of China China 1 3.57%
6 image of flag of Switzerland Switzerland 1 3.57%
7 image of flag of Austria Austria 1 3.57%

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