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. 2024 Sep 11;137(10):220. doi: 10.1007/s00122-024-04728-4

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© The Author(s) 2024

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — A plot of relative differences in sorghum root system architectural traits under optimal P and P-deficient conditions at 21 and 42 days after germination. The relative difference (RD) was obtained by the differences between adjusted means, from equation [4] above, of the two conditions and based on the optimal P condition RD = X0 − X1/X1. The mean comparisons between the two timepoints were performed using t test at 0.95 confidence level. Trait labels: dry shoot weight (ShtW); dry root weight (RtW); maximum number of roots (MaxnR); number of root tips (noRtips); total root length (TrLngth); maximum width (MaxWdth); network area (NetA); convex area (ConA); solidity (Soldty), average diameter (AvDim); perimeter (Per); volume (Vol); surface area (SurfA); average root orientation (AvOrnt)