Image-derived traits related to mid-season growth performance of maize under nitrogen and water stress
Authors
Dodig, Dejan
Božinović, Sofija

Nikolić, Ana

Zorić, Miroslav

Vančetović, Jelena

Ignjatović-Micić, Dragana

Delić, Nenad

Weigelt-Fischer, Kathleen
Junker, Astrid
Altmann, Thomas
Article (Published version)
Metadata
Show full item recordAbstract
Phenotypic measurements under controlled cultivation conditions are essential to gain
a mechanistic understanding of plant responses to environmental impacts and thus
for knowledge-based improvement of their performance under natural field conditions.
Twenty maize inbred lines (ILs) were phenotyped in response to two levels of water and
nitrogen supply (control and stress) and combined nitrogen and water deficit. Over a
course of 5 weeks (from about 4-leaf stage to the beginning of the reproductive stage),
maize phenology and growth were monitored by using a high-throughput phenotyping
platform for daily acquisition of images in different spectral ranges. The focus of the
present study is on the measurements taken at the time of maximum water stress (for
traits that reflect plant physiological properties) and at the end of the experiment (for
traits that reflect plant architectural and biomass-related traits). Twenty-five phenotypic
traits extracted from the digital image da...ta that support biological interpretation of
plant growth were selected for their predictive value for mid-season shoot biomass
accumulation. Measured fresh and dry weights after harvest were used to calculate
various indices (water-use efficiency, physiological nitrogen-use efficiency, specific plant
weight) and to establish correlations with image-derived phenotypic features. Also, score
indices based on dry weight were used to identify contrasting ILs in terms of productivity
and tolerance to stress, and their means for image-derived and manually measured traits
were compared. Color-related traits appear to be indicative of plant performance and
photosystem II operating efficiency might be an importance physiological parameter
of biomass accumulation, particularly under severe stress conditions. Also, genotypes
showing greater leaf area may be better adapted to abiotic stress conditions.
Keywords:
maize genotypes / high-throughput phenotyping / vegetative biomass / nitrogen deficiency / water stress / variable selection / stress indicesSource:
Frontiers in Plant Science, 2019, 10, 814-Publisher:
- Lausanne : Frontiers Media SA
Funding / projects:
- Transnational Access Module of the European Plant Phenotyping Network, FP7 Research Infrastructures Program of the European Union (EPPN, No. 284443). DD
- Exploitation of maize diversity to improve grain quality and drought tolerance (RS-31028)
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Institution/Community
MRIZPTY - JOUR AU - Dodig, Dejan AU - Božinović, Sofija AU - Nikolić, Ana AU - Zorić, Miroslav AU - Vančetović, Jelena AU - Ignjatović-Micić, Dragana AU - Delić, Nenad AU - Weigelt-Fischer, Kathleen AU - Junker, Astrid AU - Altmann, Thomas PY - 2019 UR - http://rik.mrizp.rs/handle/123456789/812 AB - Phenotypic measurements under controlled cultivation conditions are essential to gain a mechanistic understanding of plant responses to environmental impacts and thus for knowledge-based improvement of their performance under natural field conditions. Twenty maize inbred lines (ILs) were phenotyped in response to two levels of water and nitrogen supply (control and stress) and combined nitrogen and water deficit. Over a course of 5 weeks (from about 4-leaf stage to the beginning of the reproductive stage), maize phenology and growth were monitored by using a high-throughput phenotyping platform for daily acquisition of images in different spectral ranges. The focus of the present study is on the measurements taken at the time of maximum water stress (for traits that reflect plant physiological properties) and at the end of the experiment (for traits that reflect plant architectural and biomass-related traits). Twenty-five phenotypic traits extracted from the digital image data that support biological interpretation of plant growth were selected for their predictive value for mid-season shoot biomass accumulation. Measured fresh and dry weights after harvest were used to calculate various indices (water-use efficiency, physiological nitrogen-use efficiency, specific plant weight) and to establish correlations with image-derived phenotypic features. Also, score indices based on dry weight were used to identify contrasting ILs in terms of productivity and tolerance to stress, and their means for image-derived and manually measured traits were compared. Color-related traits appear to be indicative of plant performance and photosystem II operating efficiency might be an importance physiological parameter of biomass accumulation, particularly under severe stress conditions. Also, genotypes showing greater leaf area may be better adapted to abiotic stress conditions. PB - Lausanne : Frontiers Media SA T2 - Frontiers in Plant Science T1 - Image-derived traits related to mid-season growth performance of maize under nitrogen and water stress VL - 10 SP - 814 DO - 10.3389/fpls.2019.00814 ER -
@article{ author = "Dodig, Dejan and Božinović, Sofija and Nikolić, Ana and Zorić, Miroslav and Vančetović, Jelena and Ignjatović-Micić, Dragana and Delić, Nenad and Weigelt-Fischer, Kathleen and Junker, Astrid and Altmann, Thomas", year = "2019", abstract = "Phenotypic measurements under controlled cultivation conditions are essential to gain a mechanistic understanding of plant responses to environmental impacts and thus for knowledge-based improvement of their performance under natural field conditions. Twenty maize inbred lines (ILs) were phenotyped in response to two levels of water and nitrogen supply (control and stress) and combined nitrogen and water deficit. Over a course of 5 weeks (from about 4-leaf stage to the beginning of the reproductive stage), maize phenology and growth were monitored by using a high-throughput phenotyping platform for daily acquisition of images in different spectral ranges. The focus of the present study is on the measurements taken at the time of maximum water stress (for traits that reflect plant physiological properties) and at the end of the experiment (for traits that reflect plant architectural and biomass-related traits). Twenty-five phenotypic traits extracted from the digital image data that support biological interpretation of plant growth were selected for their predictive value for mid-season shoot biomass accumulation. Measured fresh and dry weights after harvest were used to calculate various indices (water-use efficiency, physiological nitrogen-use efficiency, specific plant weight) and to establish correlations with image-derived phenotypic features. Also, score indices based on dry weight were used to identify contrasting ILs in terms of productivity and tolerance to stress, and their means for image-derived and manually measured traits were compared. Color-related traits appear to be indicative of plant performance and photosystem II operating efficiency might be an importance physiological parameter of biomass accumulation, particularly under severe stress conditions. Also, genotypes showing greater leaf area may be better adapted to abiotic stress conditions.", publisher = "Lausanne : Frontiers Media SA", journal = "Frontiers in Plant Science", title = "Image-derived traits related to mid-season growth performance of maize under nitrogen and water stress", volume = "10", pages = "814", doi = "10.3389/fpls.2019.00814" }
Dodig, D., Božinović, S., Nikolić, A., Zorić, M., Vančetović, J., Ignjatović-Micić, D., Delić, N., Weigelt-Fischer, K., Junker, A.,& Altmann, T.. (2019). Image-derived traits related to mid-season growth performance of maize under nitrogen and water stress. in Frontiers in Plant Science Lausanne : Frontiers Media SA., 10, 814. https://doi.org/10.3389/fpls.2019.00814
Dodig D, Božinović S, Nikolić A, Zorić M, Vančetović J, Ignjatović-Micić D, Delić N, Weigelt-Fischer K, Junker A, Altmann T. Image-derived traits related to mid-season growth performance of maize under nitrogen and water stress. in Frontiers in Plant Science. 2019;10:814. doi:10.3389/fpls.2019.00814 .
Dodig, Dejan, Božinović, Sofija, Nikolić, Ana, Zorić, Miroslav, Vančetović, Jelena, Ignjatović-Micić, Dragana, Delić, Nenad, Weigelt-Fischer, Kathleen, Junker, Astrid, Altmann, Thomas, "Image-derived traits related to mid-season growth performance of maize under nitrogen and water stress" in Frontiers in Plant Science, 10 (2019):814, https://doi.org/10.3389/fpls.2019.00814 . .