Qubit Systems Inc. offers various solutions for plant phenotyping or screening of plants for responses to biotic and abiotic stresses. For high throughput solutions we offer customized PlantScreenTM Systems. For details on these read HERE. For screening at the individual plant level Qubit Systems offers the following plant screening solutions: hand-held PAM chlorophyll fluorometers such as FluorPen and hand-held hyperspectral measuring devices such as PolyPen, NDVI Pen, N Pen, and PRI pen. For chlorophyll fluorescence imaging of individual leaves, multiple seedlings, whole plants or even small trays of plants see the FluorCam systems.