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. 2023 Sep 28;5:0097. doi: 10.34133/plantphenomics.0097

Fig. 7.

Fig. 7.

Phenotypic validation of root COPM in plants grown in potting mix at the R1 stage of soybean plant growth. (A) Six soybean lines, 3 with lower and 3 with higher values of root traits associated with root system size and depth (TRV, TRL, and COPM), were grown in the pouch system and imaged for RSA at 8 DAT.(B) Validation of 2D pouch results for root systems of plants grown in potting mix until they reach the reproductive stage R1 for the 6 soybean genotype representing lines with contrasting COPM (3 with smaller COPM and 3 with larger COPM). Tukey’s honestly significant difference test for multiple comparison was conducted to define the statistical significance for the difference in COPM among genotypes. Soybean genotypes that do not share a common letter are statistically significantly different (P < 0.05) from each other for COPM trait. The difference in root system size and depth between each set of 3 soybean genotypes correlated closely between pouch grown young plants and potting mix-grown older plants grown to the reproductive stage.