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. 2023 Apr 5;24(7):6770. doi: 10.3390/ijms24076770

Figure 2.

Figure 2

Framework relations based on principal component analysis (PCA), Pearson pairwise correlations, and multiple linear regression analysis among six deep-sowing tolerant traits, emergence rate (RAT), mesocotyl length (MESL), coleoptile length (COLL), total length of mesocotyl and coleoptile (MESL + COLL), length ratio of mesocotyl to coleoptile (MESL/COLL), and seedling length (SDL), at three sowing depth (3 cm, 15 cm, and 20 cm) environments. Eigenvalues and cumulative variance of principal components (PCs) (A). The effects of six deep-sowing tolerant traits in PC1 and PC2 (B). Interactive ring correlation diagram among six deep-sowing tolerant traits at the sowing depths of both 15 cm and 20 cm, prepared using the Genescloud tool (https://www.genescloud.cn; accessed on 12 December 2022) (C). Multiple optimal linear regression equations of six deep-sowing tolerant traits at 15 cm and 20 cm treatments were constructed using IBM-SPSS Statistics v.19.0 (SPSS Inc., Chicago, IL, USA; http://www.ibm.com/products/spss-statistics; accessed on 10 July 2022) (D).