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Ethylene sensitivity of Ljein2a Ljein2b mutants. A, Hypocotyl elongation test of Gifu and ein2a ein2b plants germinated in the dark in the presence of the indicated ACC concentrations. Scale bar = 1 cm. B, Quantification of hypocotyl length of Gifu and Ljein2a Ljein2b in the elongation test. Plants were germinated in the dark for 7 days. Different letters indicate significant difference as determined using Tukey posthoc testing with P < 0.01 and n = 33 to 51.
