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. 2021 Feb 3;118(6):e2012087118. doi: 10.1073/pnas.2012087118

Fig. 5.

Fig. 5.

Root lignin concentration is correlated with tensile stress of the root cortex and root tip bending force. (A) Tensile stress of seminal roots, and first-, second-, and third-node crown root in maize is shown at 37 d of growth from greenhouse mesocosms. (B) Roots with MCS had a greater root tip bending force compared to tips of roots without MCS in maize. (C) Tensile stress of nodal roots in wheat is shown at 30 d of growth from greenhouse mesocosms. (D) Tips of roots with MCS had a greater bending force compared to tips of roots without MCS in wheat. Data shown are means ± SE for four replications per genotype from plants grown in greenhouse mesocosms (n = 12 in maize, n = 16 for wheat with MCS, n = 32 for wheat without MCS). Means with the same letters are not significantly different (P ≤ 0.05) according to Tukey’s HSD.