Reaction norm plots for different drivers of CV (coefficient of variation) of seed diameter. (a) Effect of seed type (brown seed or black seed) on CV in 18 treatments. Each line represents a treatment of Suaeda aralocaspica; (b) Effect of nutrient (low, moderate and high) and salinity (control, low and high) on CV for plant grown from brown seed and (c) for plant grown from black seed. N: Nutrient.
Wang et al. BMC Plant Biology 2012 12:170 doi:10.1186/1471-2229-12-170