Estimated biomass consumed by respiration (dotted bars), actuel biomass measured at maturity (A and B) and at flowering (C and D) (straight white and gray bars) and potential biomass (dark gray bars) of rice cultivars Hybrid 1, N22 and M202 subject to control (white bars, CT) and increased (gray bars, INT) night temperature in the field (A and C) and in GH2 (B and D). These estimations did not take into account the respiration of dead and senescent organs, and assumed that the respiration is two times lower in stem than in leaves . Percentage values represent the cumulative respiratory burden under INT compared to CT, on potential dry matter at maturity. Error bars = SE.