Busch, Florian; Huner, Norman P A; Ensminger, Ingo
Leaf reflectance spectral measurements are an emerging non-invasive technique that can be used to derive the photochemical reflectance index (PRI) to assess the physiological state of plants from leaf to ecosystem level. Changes in PRI are associated with changes in the xanthophyll cycle activity and provide an estimate of changes in the effective photochemical quantum efficiency (φ II) during the growing season. However, we hypothesised that the correlation between PRI and φ II might be poor...[Show more]
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