The relationship between photosystem II efficiency and quantum yield for CO2 assimilation is not affected by nitrogen content in apple leaves

• Published in: Journal of experimental botany Vol. 52; no. 362; pp. 1865 - 1872
• Main Authors: Cheng, Lailiang, Fuchigami, Leslie H., Breen, Patrick J.
• Format: Journal Article
• Language: English
• Published: Oxford Oxford University Press 01.09.2001
• Subjects: Agronomy. Soil science and plant productions; Apple; Biological and medical sciences; CO2 assimilation; Economic plant physiology; electron partitioning; Fundamental and applied biological sciences. Psychology; leaf N content; Malus domestica; Metabolism; Net assimilation, photosynthesis, carbon metabolism. Photorespiration, respiration, fermentation (anoxia, hypoxia); non‐photochemical quenching; Nutrition. Photosynthesis. Respiration. Metabolism; Photosynthesis, respiration. Anabolism, catabolism; Plant physiology and development; PSII efficiency; quantum yield; Assimilation; Rosaceae; Ribulose-bisphosphate carboxylase; Electron transfer; Lyases; Malus domestica; Inorganic element; Biological productivity; Dose activity relation; Photosystem 2; Radiation use efficiency; Photorespiration; Carboxy-lyases; Dicotyledones; Angiospermae; Chemical concentration; Fruit tree; Photochemistry; Nutrition; Enzyme; Plant leaf; Nitrogen; Quantum yield; Carbon-carbon lyases; Nutrient; Spermatophyta; Photosynthesis

Bench‐grafted Fuji/M.26 apple (Malus domestica Borkh.) trees were fertigated with different concentrations of nitrogen by using a modified Hoagland's solution for 45 d. CO2 assimilation and photosystem II (PSII) quantum efficiency in response to incident photon flux density (PFD) were measured...