Sensors and Cameras for Plant Phenotyping and Seed Testing
LemnaTec offers advanced, approved sensors for plant phenotyping, plant phenomics, and seed testing. Our sensors and accessories—ranging from specialized lamps to background materials—are rigorously validated in real research scenarios and backed by case studies and references.
Designed for plant scientists, breeders, environmental experts, and industries such as seed, fertilizer, plant protection, and biostimulants, our solutions capture dimensions, morphologies, and colors. By integrating non-visible radiation (near-infrared, fluorescence), spectral imaging, and 3D scans, we deliver comprehensive insights into physiological and structural traits.
Data from our sensors transforms into actionable plant and seed phenotyping insights, bridging non-invasive measurements with true biological characteristics.
Seedling emergence classified
Visible light, or RGB, images are „classical“ photographs. Such images are widely used to monitor plant development, plant performance, or seed germination. There is a characteristic peak of reflectance around 550 nm, due to low absorbance of the pigments in this wavelength region
Chlorophyll Fluorescence
Chlorophyll fluorescence analysis is used to measure photosynthesis-related parameters that indicate plant performance, stress responses, disease resistance, or other physiological factors.
Fluorescence imaging records light emssions originating from fluorescent pigments. Such can be used in physiological studies, stress assessments, and in experiments with fluorescent biomarkers.
Hyper- and Multispectral Imaging serves to record various physiology-related factors from biological samples. Spectrally resolved reflectance relates to biochemical content and physiological status of the plants.
Near-Infrared Imaging records reflectance at the water band at 1450 nm. It serves to asses water content in samples, thus it is a tool in drought studies.
Infrared Imaging records heat emission from the samples. It serves to assess surface temperatures. Applications comprise studies on water relations and stomatal activity.
Laser scans record the 3D structure of objects, thus they can serve to measure plant morphology and dimensions.
Bioluminescence delivers images of very weak light signals that can be detected with high sensitivity cameras. Bioluminescence frequently is used as molecular marker, and whole-plant luminescence imaging can serve to analyze physiological processes.
Camera and sensor overview, options to process recorded data, and use scenarios in plant phenotyping
| Sensor | Recorded parameters | Information to derive from parameters |
|---|---|---|
| Visible light camera | Reflectance in visible light spectrum (colour image) | Counts, dimensions, texture, colour; growth and developmental features, stress responses |
| Fluorescence camera (with corresponding excitation light and filter) | Intensity and distribution of fluorescence light | Presence and distributions of fluorescencent pigments; stress and senescence |
| Camera for chlorophyll fluorescence dynamics (Kautsky/PAM) | Photosystem II-related parameters | Photosynthetic capacity and activity; stress, pathogen responses |
| NIR camera with 1450 nm filter | Water-content related NIR signal | Tissue moisture; water stress responses |
| IR camera | Surface heat emission | Plant temperatures, transpiration |
| Hyper-/multispectral camera | Spectrally resolved reflectance | Physiological parameters, vegetation indices |
| Laser scanner | Point clouds | 3D surface, height map, inclination map, convex hull; growth and developmental features |
| High-sensitivity camera | Bioluminescence signals | Physiological features e.g., gene expression or plant-microbe interaction |