10.1371/journal.pone.0134166.g006 Guang-Long Wang Guang-Long Wang Sheng Sun Sheng Sun Guo-Ming Xing Guo-Ming Xing Xue-Jun Wu Xue-Jun Wu Feng Wang Feng Wang Ai-Sheng Xiong Ai-Sheng Xiong Structural changes in the carrot leaves from stage 1 (A), stage 2 (B), stage 3 (C), stage 4 (D), and stage 5 (E). Public Library of Science 2015 735A plant growth carrot growth cytokinin accumulation cytokinin biosynthesis cytokinin signal perception 2015-07-28 03:15:54 Figure https://plos.figshare.com/articles/figure/_Structural_changes_in_the_carrot_leaves_from_stage_1_A_stage_2_B_stage_3_C_stage_4_D_and_stage_5_E_/1495975 <p>Epidermis (Ep), palisade tissue (Pt), spongy tissue (St), and vascular tissue (V) are marked in the Figure. Scale bars in A, B, C, D, and E are 100 μm in length.</p>