Leaf development is altered in Aucsia-silenced tomato plants. A, Leaves of Aucsia-silenced plants are reflexed. Downcurling of the leaves is shown in the L276 (top) and INB777 (bottom) backgrounds. B, Examples of leaf fusions displayed by Aucsia-silenced plants. C (left), Leaf alterations displayed by an obligate parthenocarpic L276 4-1 plant; top right, reduced lobation of the leaves; bottom right, alteration of leaf vasculature. [See online article for color version of this figure.]