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Analysis of hormone levels in wild-type seedlings treated with simulated shade. Seedlings were germinated and grown for 7 d under W and then either kept in W or transferred to W+FR for 4h (A) or 24h (B). Values are means ±standard error (SE) of three experiments; FW, fresh weight. Different letters denote significant differences (P<0.01 for IAA levels; P<0.05 for CS levels; and P<0.1 for GA4 levels) among means.
