Spike and peduncle morphology of mutant plants.

<p>Compared to medium sized awns in control Indian (A), spike with large awns (B, C), awnless (D), small awns (E), spikelet morphology (E, F), and top spikelets sterile (G). Variations in peduncle morphology include bent (I), wavy (J), shredded flag leaf sheath (K), and crooked phenotype with crinkled leaf and peduncle (L) compared to control Indian (H). Phenotypic variations compared to control Indian are marked with arrow.