Related Experiment Video
Updated: Dec 26, 2025
06:28
Author Spotlight: Unraveling Plant Responses to Abiotic Stresses Using the PlantScreen Robotic Platform
Published on: June 7, 2024
2.5K
High-throughput phenotyping using digital and hyperspectral imaging-derived biomarkers for genotypic nitrogen
Bikram P Banerjee1, Sameer Joshi1, Emily Thoday-Kennedy1
1Agriculture Victoria, Grains Innovation Park, Horsham, VIC, Australia.
Journal of Experimental Botany
|March 19, 2020
Summary
Developing crops with better nitrogen use efficiency is key for sustainability. High-throughput imaging helps rapidly screen wheat for nitrogen response, identifying ideal varieties faster.
Area of Science:
- Agricultural Science
- Plant Biology
- Remote Sensing
Background:
- Sustainable crop production requires varieties with enhanced nitrogen use efficiency (NUE).
- High-throughput phenotyping, integrating genotyping and imaging, can accelerate the discovery of novel alleles for improved NUE.
- Digital and hyperspectral imaging offer efficient methods for assessing plant performance by analyzing canopy reflectance.
Purpose of the Study:
- To apply digital and hyperspectral imaging for automated phenotyping of wheat's nitrogen response.
- To develop and validate novel imaging techniques and algorithms for estimating key plant biomarkers.
- To demonstrate the utility of integrated phenomics for rapid screening of wheat populations.
Main Methods:
- Utilized digital and hyperspectral imaging to quantify canopy reflectance, biomass, and chlorophyll levels under varying nitrogen conditions.
- Developed computational approaches for spectrum calibration, plant area detection, and vegetation index analysis.
- Created a novel vegetation index for precise chlorophyll estimation, coupled with an image-processing algorithm to remove background noise.
Main Results:
- Automated phenotyping of wheat at the vegetative stage successfully estimated biomass and chlorophyll levels.
- A new vegetation index demonstrated high precision in chlorophyll estimation, aided by effective background spectral removal.
- The imaging techniques enabled efficient delineation of nitrogen response in wheat populations.
Conclusions:
- Integration of high-throughput digital and spectral phenomics provides a valuable tool for rapid screening of wheat for nitrogen response.
- Automated phenotyping using advanced imaging can significantly expedite breeding programs for enhanced nitrogen use efficiency.
- These techniques offer a non-destructive and efficient method for assessing plant physiological status relevant to nitrogen management.
Related Concept Videos
02:16Light Acquisition
9.3K
In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
9.3K
02:35Key Elements for Plant Nutrition
23.8K
Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
23.8K