<p>Expression level of <i>AtEXP2</i> was measured in 24 h imbibed seeds of wild type, <i>ga1-3</i>, and various <i>DELLA</i> mutants. <i>penta</i> indicates the <i>ga1-3 gai-t6 rga-t2 rgl1-1 rgl2-1</i> mutant. Error bars represent SD. A Student’s t-test was calculated at the probability of 1% (**P<0.01).</p