Infrared Remote Sensing of Solar-induced Physiological Parameters of Manihot esculenta Canopy

Abstract

This communication reports the direct measurement of Solar-induced canopy reflectance, fluorescence intensity, fluorescence, Chlorophyll luminescence, canopy Moisture and Canopy Temperature of Manihot esculenta using a multispectral radiometer. The stakes chosen from old Manihot esculenta (8-12 months old) was planted, using standard procedures, on well-drained fertile sandy soil, vertically by pushing lower part of the stakes of about 5cm depth into the ridges. The physiological parameters were measured from germination stage to foliage stage. The result showed that there was low absorption of radiation by chlorophyll pigment, low photosynthesis activity, and carbon dioxide uptake at the germination stage as indicated by relatively high canopy spectral responses of the parameters. Photosynthesis activity was more intense at the foliage stage.