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. 2020 Jun 9;11:734. doi: 10.3389/fpls.2020.00734

Figure 6.

Figure 6

Phenotypes of lateral root primordia in Col-0 and katanin1 mutants. (A–T) Representative pictures of selected developmental stages of lateral root primordia in 7 days old seedlings of Col-0 (A–E), fra2 (F–J), lue1 (K–O), and ktn1-2 (P–T) mutants. Ectopic positions of cells in early stages of lateral root primordia development are indicated by arrows. Stages of lateral root primordia development were annotated according to Malamy and Benfey (1997). (U–Z) Quantitative analysis (±SD) of lateral root phenotype in 7 days old seedlings of Col-0 and katanin1 mutants. Number of lateral roots (LR) per plant (U), number of lateral root primordia (LRP) per plant (V), number of lateral roots, and lateral root primordia (LR + LRP) per plant (W), density of lateral roots (LR/mm; X), density of lateral root primordia (LRP/mm; Y), density of lateral roots, and lateral root primordia (LR+LRP/mm; Z). Calculations are based on data collection from 13–19 seedlings. Asterisks indicate statistical significance between measurements (*p < 0.05, **p < 0.01, and ***p < 0.001). Bar: (A–T) 20 μm.