Qubit Systems offers various hand-held instruments for hyperspectral measurements of plants. Plant Pens that measure reflectance of light from leaves at various wavelengths and calculate various indexes such as NDVI, NDGI, PRI etc. have wide applications in plant stress screening and trait assessment. For information on high throughput hyperspectral plant screening please see our custom PlantScreenTM systems HERE. For field based instrumentation please read about the ROX Box HERE.