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

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Title Interactive effects of altitude, microclimate and shading system on coffee leaf rust
 
Creator Liebig, Teresa Ines
Ribeyre, Fabienne
Läderach, Peter
Poehling, Hans-Michael
Asten, Piet J.A. van
Avelino, Jacques
 
Subject food security
agriculture
climate change
hemileia vastatrix
coffee
shade
microclimate
 
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.
 
Date 2019-01-01
2019-08-12T16:07:36Z
2019-08-12T16:07:36Z
 
Type Journal Article
 
Identifier Liebig T, Ribeyre F, Läderach P, Poehling HM, van Asten P, Avelino J. 2019. Interactive effects of altitude, microclimate and shading system on coffee leaf rust. Journal of Plant Interactions 14(1):407-415.
1742-9145
https://hdl.handle.net/10568/102486
https://doi.org/10.1080/17429145.2019.1643934
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format 407-415
 
Publisher Informa UK Limited
 
Source Journal of Plant Interactions