Fig. 2From: Genome-Wide Association Study of Rice Rooting Ability at the Seedling StagePhenotypic diversity of the 145 rice accessions. a Phenotypic distribution of root-related traits in the natural population. b Correlation analysis of root-related traits. The color and area of the circle represent the value of the correlation coefficient. The number in the middle of the cell is the correlation coefficientBack to article page