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Interaction of ABA and NFs on LRF in M. truncatula. Mean number of emerged lateral roots (LRs) observed after 8 d on a growth medium containing 10‒7 M ABA and/or 10‒9 M NFs. Data are from two independent experiments with an average of 50 plants per treatment. Different letters indicate significantly different means as determined by a non-parametric Kruskal–Wallis test (P<0.05). Error bars represent the standard error of the mean.
