Development of a Portable Chlorophyll Estimation Device

• Instrument manufacturers and hardware developers
• Sensor and optical device developers.
• Research labs and startups working in plant physiology, precision agriculture, or remote sensing

Our spectral model accurately predicts leaf chlorophyll content using reflectance values recorded from plant leaves at two specific wavelengths. This model has been successfully validated using spectroradiometer-acquired spectral data and laboratory-estimated chlorophyll values, achieving an impressive 92% predictive accuracy. We aim to develop a compact, field deployable device that Measures leaf reflectance at the identified two key wavelengths, applies our established mathematical model for real-time chlorophyll estimation, and displays the chlorophyll content directly on the device’s screen.

• This invention provides absolute (mg/gram) 'total chlorophyll' contents in the leaves, which is true representation of chlorophyll values determined in the wet laboratory.
• The index can be embedded in an electronic device for direct and onsite estimation.
• Index can also be used for drone or satellite images for chlorophyll estimation at canopy level.