Chlorophyll index, photochemical reflectance index and chlorophyll fluorescence measurements of rice leaves supplied with different N levels

• Published in: Journal of photochemistry and photobiology. B, Biology Vol. 113; pp. 7 - 13
• Main Authors: Shrestha, Suchit, Brueck, Holger, Asch, Folkard
• Format: Journal Article
• Language: English
• Published: Switzerland Elsevier B.V 01.08.2012
• Subjects: canopy; Chemistry Techniques, Analytical - methods; chlorophyll; Chlorophyll - chemistry; Chlorophyll index; chlorophylls; Fluorescence; leaves; lutein; N-supply; Nitrogen - pharmacology; nitrogen fertilizers; Non-photochemical quenching; nutrient solutions; Nutritional Physiological Phenomena; Oryza - chemistry; Oryza - drug effects; photobiology; Photochemical Processes; Photochemical reflectance index; photochemistry; photosystem II; Plant Leaves - chemistry; Plant Leaves - drug effects; portable equipment; reflectance; remote sensing; rice; supply; N-supply; Chlorophyll index; Non-photochemical quenching; Photochemical reflectance index

► Diagnosis of plant N status is required to optimise N fertilizer management. ► N-supply effects on SPAD and PRI values differentiation between N levels. ► The fraction of light utilised in photochemistry is not affect by N levels. ► Non-photochemical quenching is significantly affected by N levels...