FIGURE 3.
The IAA screening results and accurate determinations on Herbaspirillum isolates from Zijuan. (A) The IAA extract from isolate ZXN111 by UPLC. (B) The IAA standard by UPLC. (C) Total ion current chromatogram of IAA extract in UPLC-MS. (D) The mass spectra of IAA extract in UPLC-MS. (E) The screening results of IAA biosynthesis on endophytic bacteria. (F) The IAA biosynthesis dynamics of the three randomly selected Herbaspirillum isolates.