Figure 1.

Phenotypes of T-DNA-tagged mutant line that accumulates brown pigment in seeds. A, Wild type (WT; left), heterozygous (middle), and homozygous (right) plants. Arrows indicate mutant seeds in heterozygous line. B, Cross sections of WT (left), mutant seeds immediately after harvest (middle), and seeds at 1 year after storage (right). C, Cross sections of WT seeds before (left) and after (right) heat treatment. D, Cross sections of mutant seeds before (left) and after (right) heat treatment. Ho, Homogenic mutant.