Are there associations between grain-filling rate and photosynthesis in the flag leaves of field-grown rice?
1 Robert Hill Institute, Department of Molecular Biology and Biotechnology, University of Sheffield, Western Bank, Sheffield S10 2TN, UK 2 Crop, Soil and Water Sciences Division, International Rice Research Institute, PO Box 933, 1099 Manila, Philippines Abbreviations: PSII, quantum efficiency of photosystem II; Chl, chlorophyll; DAF, days after flowering; DW, dry weight; IRRI, International Rice Research Institute; LHCII, light harvesting complex of photosystem II; NPT, new plant type; PPFD, photosynthetic photon flux density; PSI, photosystem I; PSII, photosystem II; RGFP, rapid grain-filling phase; Rubisco, ribulose bisphosphate carboxylase-oxygenase; Pmax, light-saturated rate of net CO2 assimilation.