Regulation of JKD and MGP expression in the ground tissue. Whole-mount in situ hybridization of JKD (a–j) and MGP (k,l) in embryos of wild type (a,d), shr-2 (b,e), and scr-4 (c,f), and in 2-dpg seedlings of wild type (g, inset of j,k), shr-2 (h), scr-4 (i), and plt1,plt2 (j,l).