Figure 2From: Heat-tolerant rice cultivars retain grain appearance quality under free-air CO2 enrichmentRelationship between the percentage of undamaged grains (UDG) in AMB and difference in UDG between FACE and AMB. KH = Koshihikari (tested in 2010–2012). ○, Standard cultivar; □, Heat-tolerant cultivar. Error bars represent standard error of the mean (n = 4).Back to article page