Figure 5
Natural variation and environmental effects on plant height and stem density. (A) Maximum height of plants grown outside. (B) Average heights of plants grown in a growth chamber with staggered vernalization to synchronize flowering. ANOVA p-value = 1 x 10-17 for differences between groups. (C) Average stem density of plants grown outside. ANOVA p-value = 1 × 10-22. (D) Average stem density of plants grown in a growth chamber with staggered vernalization to synchronize flowering. ANOVA p-value = 1 × 10-4. Lines are arranged with Bd21-3 first, as a reference, and then from the smallest to largest height (A, B) or stem density (C, D). Bd30-1 became available after completion of the initial survey of lines grown outside (A, C, experiment 1) and was added for the later characterizations (B, D, experiment 4). Color-coding is indicated in the key and is the same for each line in all four panels. Error bars in B, C, and D indicate standard deviation.