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Pigment levels and VAZ pool of wild-type tobacco leaves based on total chlorophyll (Chl) determined by HPLC. Error bars represent se values (n = 5 individual plants). For points lacking error bars, the se was smaller than the symbol size. •, Neoxanthin, growth chamber; ○, neoxanthin, field; ▾, β-carotene, growth chamber; ▿, β-carotene, field; ▪, lutein, growth chamber; □, lutein, field; ♦, VAZ, growth chamber; ⋄, VAZ, field.
