Qubit Systems Inc. offers various solutions for plant phenotyping or screening for responses to biotic an abiotic stress.  For high throughput solutions we offer customized PlantScreen Systems please visit  For screening at individual plant level Qubit Systems offers the following Plant Screening Solutions: Hand-held Chlorophyll Fluorometers such as FluorPen and hand-held hyperspectral measuring devices such as PolyPen, NDVI Pen, N Pen, PRI pen.  For single leaf photosynthesis measurements see our Q-Box CO650 Plant CO2 Package or for multiple sample analysis add our Gas Switching System. For chlorophyll fluorescence imaging of multiple seedlings or small plants see our FluorCam systems.