Loss of Function of ARF8 Affects Petal Organ Growth.
(A) Fully expanded petals at flower development stage 14 in bpe-1, arf8-3, bpe arf8, and wild-type Arabidopsis (WT).
(B) bpe-1, arf8-3, bpe arf8, and wild-type mature (development stage 14) petal surface area. Values are given as mean ± se relative to the wild-type value, set at 100%.
(C) Vein patterning in cleared petals of arf8-3 and wild-type plants. Arrows indicate extra secondary veins in petals of arf8-3.
(D) Number of secondary veins in petals of arf8-3 and bpe arf8 mutants compared with the wild type. Asterisk indicates significant difference from the wild type at the 5% significance level (t test).