Phenotypic traits showed different response dynamics as well as multiple and changing interaction patterns with stress progression. The difference between control and water stress was detectable 3–10 days after the beginning of stress depending on the genotype, while the effect of limited nitrogen supply only induced subtle phenotypic effects. For these traits, genetic differences were identified and dynamic developmental trends during different maize growth stages were analyzed. Thirteen biomass-related and morphophysiological traits were extracted from RGB images acquired at 33 time points covering developmental stages from leaf count 5 at the first imaging date to leaf count 10–13 at the final harvest. The growth phenotypes of 20 maize ( Zea mays L.) inbred lines were monitored in a non-invasive way under control, nitrogen, and water limitation as well as under combined nitrogen and water stress using an automated phenotyping system in greenhouse conditions. The development of high-throughput phenotyping platforms provides a new prospect for dissecting the dynamic complex plant traits such as abiotic stress tolerance into simple components. 3Department of Molecular Genetics, Leibniz Institute of Plant Genetics and Crop Plant Research, Gatersleben, GermanyĬhanges in climate are likely to have a negative impact on water availability and soil fertility in many maize-growing agricultural areas.

2Department for Maize, Institute for Field and Vegetable Crops, Novi Sad, Serbia.1Department for Research and Development, Maize Research Institute Zemun Polje, Belgrade-Zemun, Serbia.Dejan Dodig 1*, Sofija Božinović 1, Ana Nikolić 1, Miroslav Zorić 2, Jelena Vančetović 1, Dragana Ignjatović-Micić 1, Nenad Delić 1, Kathleen Weigelt-Fischer 3, Thomas Altmann 3 and Astrid Junker 3

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