Fig. 9From: Maize brachytic2 (br2) suppresses the elongation of lower internodes for excessive auxin accumulation in the intercalary meristem regionThe change of auxin concentrations in the stem at different stages. a Auxin levels of stem apex in d2014 and WT at the 6-, 12-, and 14-leaf stages. b Auxin levels of a single ear-internode including node and internode region at the 14-leaf stage. ** indicates significant difference at 0.01 level by Student’s t-test. ns, not significantBack to article page