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. 2017 Aug 14;8:1410. doi: 10.3389/fpls.2017.01410

FIGURE 2.

FIGURE 2

Changes of flavonoids during seed development of brown-seeded and yellow-seeded B. rapa. (a–c) Distribution of flavonoids in seed coat development at 10 DAF, 14 DAF, and 28 DAF in B147. (d–f) Distribution of flavonoids in seed coat development at 10 DAF, 14 DAF, and 28 DAF in B80. Black arrows, accumulation site for flavonoids; pal, palisade layer; hi, hilum; e, epidermis; nu, nucleus; v, vacuole; em, embryo; pig, pigment layer; s, subepidermis; co, cotyledon.