Figure 1.

Gross Morphology and GA Responsiveness of Sgd1.

(A) Gross morphology of Sgd-1 at the juvenile stage. gid1-8 (left), Sgd-1 (middle), and wild-type plants (T65; right) were grown for 4 weeks. Arrowheads represent the uppermost positions of the 3rd leaf sheath. Bar = 5 cm.

(B) Length of the 3rd leaf sheath of gid1-8 (left), Sgd-1 (middle), and T65 (right) grown for 4 weeks. Data are means ± sd, n = 14.

(C) Gross morphology of Sgd-1 at heading stage. gid1-8 (left), Sgd-1 (middle), and T65 (right) were grown for 3 months. Bar = 10 cm.

(D) Plant height of gid1-8, Sgd-1, and T65 grown for 3 months. Height was measured from the ground surface to the ear-neck node. Data are means ± sd, n = 14.

(E) Dose dependency of 2nd leaf sheath elongation of gid1-8, Sgd-1, and T65 grown on GA₃ for 3 weeks. Data are means ± sd, n = 10.