Uwe Rascher
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View article: Opportunities and Challenges in Combining Optical Sensing and Epidemiological Modeling
Opportunities and Challenges in Combining Optical Sensing and Epidemiological Modeling Open
Plant diseases impair the yield and quality of crops and threaten the health of natural plant communities. Epidemiological models can predict disease and inform management. However, data are scarce, because traditional methods to measure p…
View article: A non-rectifying potassium channel increases cassava drought tolerance and storage root yield
A non-rectifying potassium channel increases cassava drought tolerance and storage root yield Open
Cassava ( Manihot esculenta ) is an important crop for food security in the tropics, particularly for smallholder farmers in sub-Saharan Africa, where yields are often severely limited by pathogen pressure, nutrient deficiency, and water s…
View article: On the Potential of a Novel Satellite-Based Time-Series of Normalized Far-Red Solar-Induced Fluorescence to Track Short-Term Changes in Subsurface Water Storage
On the Potential of a Novel Satellite-Based Time-Series of Normalized Far-Red Solar-Induced Fluorescence to Track Short-Term Changes in Subsurface Water Storage Open
Effectively tracking drought effects using satellite data can be conducted by combining atmospheric data with additional information of vegetation indices (VIs) from optical data. While VIs detect drought when plant damage is often irrever…
View article: CMLR: A Mechanistic Global GPP Dataset Derived from TROPOMIS SIF Observations
CMLR: A Mechanistic Global GPP Dataset Derived from TROPOMIS SIF Observations Open
Solar - induced chlorophyll fluorescence (SIF) holds great potential for estimating gross primary production (GPP). Nevertheless, currently, there is an absence of open-access global GPP datasets that directly utilize SIF with models clear…
View article: From root to leaf: Multi-sensor monitoring of the soil-plant-atmosphere continuum
From root to leaf: Multi-sensor monitoring of the soil-plant-atmosphere continuum Open
The soil-plant-atmosphere continuum (SPAC) is the interconnected water pathway between soil, plants, and atmosphere, and plays a pivotal role in distribution of water and nutrients in terrestrial ecosystems. In order to understand and pred…
View article: Retrieval of Sun-Induced Plant Fluorescence in the O$$_2$$-A Absorption Band from DESIS Imagery
Retrieval of Sun-Induced Plant Fluorescence in the O$$_2$$-A Absorption Band from DESIS Imagery Open
We provide the first method allowing to retrieve spaceborne SIF maps at 30 m ground resolution with a strong correlation ( $$r^2=0.6$$ ) to high-quality airborne estimates of sun-induced fluorescence (SIF)ṠIF estimates can provide e…
View article: Use of Sun-Induced Chlorophyll Fluorescence in Linear and Nonlinear Light Use Efficiency Models for Remote Estimation of Plant Photosynthesis Under Stress Conditions
Use of Sun-Induced Chlorophyll Fluorescence in Linear and Nonlinear Light Use Efficiency Models for Remote Estimation of Plant Photosynthesis Under Stress Conditions Open
This study assessed the potential of sun-induced chlorophyll fluorescence (SIF) to estimate plant net photosynthesis (Anet) using a series of linear and nonlinear light-use efficiency (LUE) models. These models incorporated chlorophyll con…
View article: Multispectral imaging and terrestrial laser scanning for the detection of drought-induced paraheliotropic leaf movement in soybean
Multispectral imaging and terrestrial laser scanning for the detection of drought-induced paraheliotropic leaf movement in soybean Open
Plant foliage is known to respond rapidly to environmental stressors by adjusting leaf orientation at different timescales. One of the most fascinating mechanisms is paraheliotropism, also known as light avoidance through leaf movement. Th…
View article: Retrieval of sun-induced plant fluorescence in the O$_2$-A absorption band from DESIS imagery
Retrieval of sun-induced plant fluorescence in the O$_2$-A absorption band from DESIS imagery Open
We provide the first method allowing to retrieve spaceborne SIF maps at 30 m ground resolution with a strong correlation ($r^2=0.6$) to high-quality airborne estimates of sun-induced fluorescence (SIF). SIF estimates can provide explanator…
View article: Investigating the contribution of image time series observations to cauliflower harvest-readiness prediction
Investigating the contribution of image time series observations to cauliflower harvest-readiness prediction Open
Cauliflower cultivation is subject to high-quality control criteria during sales, which underlines the importance of accurate harvest timing. Using time series data for plant phenotyping can provide insights into the dynamic development of…
View article: Research priorities to leverage smart digital technologies for sustainable crop production
Research priorities to leverage smart digital technologies for sustainable crop production Open
Agriculture faces several challenges including climate change and biodiversity loss while, at the same time, the demand for food, feed, biofuels, and fiber is increasing. Sustainable intensification aims to increase productivity and input-…
View article: Doubled Haploid Lines Derived from a European Maize Flint Landrace Contrast in Recovery from Cold Stress
Doubled Haploid Lines Derived from a European Maize Flint Landrace Contrast in Recovery from Cold Stress Open
Suboptimal temperatures at sowing and emergence affect the early development of maize, with potentially irreversible effects later in the growing season. We studied recovery from cold stress of an inbred line (B73) and 13 Doubled Haploid l…
View article: Field phenotyping of ten wheat cultivars under elevated CO2 shows seasonal differences in chlorophyll fluorescence, plant height and vegetation indices
Field phenotyping of ten wheat cultivars under elevated CO2 shows seasonal differences in chlorophyll fluorescence, plant height and vegetation indices Open
In the context of climate change and global sustainable development goals, future wheat cultivation has to master various challenges at a time, including the rising atmospheric carbon dioxide concentration ([CO 2 ]). To investigate growth …