Fig. 2From: Phenotyping Root Systems in a Set of Japonica Rice Accessions: Can Structural Traits Predict the Response to Drought?Box-plots of the standardized means of the eight selected root traits among the 17 accessions gathered in 5 clusters under irrigated conditions. The symbol in brackets indicates the cluster effect (** significant at 1%, * significant at 5% and ns not significant). The averages followed by the same letter do not differ statistically according to the Tukey test (p-value 0.05)Back to article page