Figure 8.

Zmksl4 root crowns have significantly denser root systems. A) Representative samples, and their corresponding binary DIRT inputs, of wild-type and Zmksl4 mature root crowns, scale bars are 5 cm. B) PCA analysis on DIRT traits shows a clear separation of genotypes. C) The 20 of the most impactful DIRT trait vectors for PCA separation. D) Several important root architectural traits were shown to be different between wild-type and Zmksl4. Data are averages ± SE (n = 17 to 21). Levels of significance were determined by student's t-test; *P ≤ 0.01, **P ≤ 0.001, ***P ≤ 0.0001, ******P ≤ 0.0000001.