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Effect of phytohormones on NtC7 transcript accumulation. A leaf cutting was prepared from a healthy plant, left for 4 h for acclimatization to the initial wound stress, then exposed to 50 μm methyl ester JA (A), 100 μm ABA (B), or 100 μm ethephon (C) for the indicated time period. Total RNAs were then subjected to northern assay. Control samples for ABA treatment were treated with water (Water; B).
