Figure 4.

Ws-O siliques pollinated (P), unpollinated (UP), and GA₃ treated (10 μmol pistil⁻¹) compared with spy-4 unpollinated (UP), pollinated (P), and GA₃-, NAA-, or BA-treated (10, 10, and 1 μmol pistil⁻¹, respectively; top) siliques. gai and ga5-1 unpollinated pistils and pollinated siliques (Ler; bottom) compared with GA₃, NAA, and BA treatment (10, 10, and 1 μmol pistil⁻¹, respectively), as described in “Materials and Methods.”