Figure 5.

Complete Expansion of Corolla Limbs Requires COR/JA-Ile Signaling during Early Floral Bud Development.

(A) Photographs depict the development of two complete ir-aoc inflorescences over 6 d. On day 1 and every other day, intact inflorescences were treated with COR (top row) or a control solution (bottom row). Dots of the same color indicate the same floral bud in each image over the examined time frame. Arrows indicate corollas at anthesis, and tildes indicate abscised flowers. Photographs from one of two independent experiments with similar results are shown.

(B) Left, developmental age and size of individual buds present on the inflorescences before the initial treatments. Tables on the right indicate time after initial treatments and state of the single developing corollas, with x indicating expanding buds, + indicating defective limb opening, O indicating complete limb opening, and ∼ indicating abscised flowers.