Figure 1

Phenotypes of plants grown outside without controlled vernalization. Multiple plants (approximately 30 per line) were grown outside in 20 cm pots widely spaced so the plants from adjacent pots would not touch one another as they grew. (A) Plant architecture varied considerably from erect like Kah-5 to intermediate or drooping like BdTR12c to almost prostrate like BdTR1f. The vertical white bar at the top left of each image represents 5 cm. (B) The height of the tallest plant in each pot was recorded, and heights were binned to graph the distribution. (C) The ease with which seeds could be removed from the stem was qualitatively determined and recorded on a scale from 1 (easy to detach) to 7 (difficult to detach). The distribution of the classes is presented. (D) Stem density was determined for 46 of the lines. Average stem density, measured for internodes from three to ten plants per line, is shown. Lines are arranged from the lowest to highest stem density. Error bars indicate the standard deviation. See Additional file 1: Table S1 for data on individual lines.