Fig. 1From: Genome-wide association analysis and QTL mapping reveal the genetic control of cadmium accumulation in maize leafDistribution of subgroups in maize lines under low-Cd condition (a) and middle-Cd condition (b) at seeding stage and under high-Cd field condition at maturing stage (c). Trop = Tropical group; Temp = Temperature group; Mix = other group with no clear identityBack to article page