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Table 2 Eigenvectors and eigen analysis of the correlation matrix for the nine principal components traits associated with stem hardness performance in G. hirsutum accessions

From: Correlation analysis of stem hardness traits with fiber and yield-related traits in core collections of Gossypium hirsutum

Traits Years PC1 PC2 PC3 PC4 PC5 PC6 PC7 PC8 PC9
BL 2017 0.18 0.42 0.02 − 0.04 − 0.12 − 0.13 0.07 − 0.01 0.12
2018 0.26 0.09 0.38 0.05 0.00 − 0.15 − 0.08 0.13 0.01
AL 2017 0.04 0.16 0.17 − 0.23 0.47 − 0.40 0.04 − 0.1 0.48
2018 0.09 0.1 0.19 − 0.1 − 0.57 0.00 − 0.04 − 0.09 − 0.11
CL 2017 0.11 0.28 − 0.05 0.00 − 0.4 0.00 0.13 0.16 0.37
2018 0.14 0.01 0.29 0.00 0.5 − 0.05 0.01 − 0.28 0.03
BU 2017 0.19 0.40 0.05 0.00 −0.19 − 0.13 − 0.02 − 0.13 − 0.21
2018 0.22 0.18 0.43 0.05 −0.05 − 0.11 0.02 0.04 0.02
AU 2017 0.10 0.26 0.14 −0.26 0.43 −0.22 − 0.02 0.06 − 0.27
2018 0.06 0.13 0.15 −0.13 − 0.53 0.02 − 0.06 − 0.40 0.15
CU 2017 0.15 0.40 0.04 −0.01 − 0.22 − 0.01 0.02 0.07 − 0.42
2018 0.17 0.17 0.39 0.01 0.28 −0.08 0.00 −0.18 − 0.06
FS 2017 −0.07 0.02 0.05 −0.05 −0.11 − 0.16 −0.86 0.42 0.07
2018 0.32 0.09 −0.29 − 0.09 0.02 − 0.12 −0.05 − 0.05 0.21
FL 2017 0.29 −0.08 0.34 0.19 0.00 −0.05 0.02 0.09 0.02
2018 0.37 0.06 −0.19 −0.06 0.03 −0.04 0.12 −0.08 −0.01
M 2017 0.14 −0.02 −0.51 − 0.25 −0.02 − 0.07 0.11 0.36 0.13
2018 0.00 −0.31 0.19 −0.02 0.03 0.24 −0.54 0.11 0.50
UP 2017 0.31 −0.08 0.18 0.19 0.12 0.03 0.06 0.16 −0.02
2018 0.34 −0.10 −0.10 − 0.12 0.00 0.04 −0.17 0.06 0.17
FE 2017 0.24 −0.07 −0.01 0.15 0.05 0.07 0.27 0.54 0.19
2018 0.35 −0.07 −0.16 −0.12 0.01 0.06 −0.03 0.01 0.31
SCI 2017 0.19 −0.07 0.47 0.3 −0.05 0.09 −0.07 −0.02 0.12
2018 0.35 0.13 −0.27 −0.12 0.01 −0.17 0.19 −0.02 − 0.03
FD 2017 0.23 0.17 −0.23 0.06 0.34 0.41 −0.18 −0.07 0.00
2018 0.08 0.31 0.01 0.37 0.00 0.433 0.19 0.15 0.20
PH 2017 0.21 0.08 −0.16 0.12 −0.15 0.02 −0.23 −0.48 0.40
2018 0.16 −0.17 0.18 −0.14 −0.11 − 0.16 0.14 0.75 −0.11
BW 2017 0.29 −0.21 0.04 −0.39 −0.17 0.07 −0.02 − 0.14 0.00
2018 −0.04 −0.08 − 0.07 0.54 − 0.10 −0.52 − 0.03 0.00 0.22
GP 2017 0.26 0.14 −0.11 −0.02 0.27 0.50 −0.16 0.01 −0.02
2018 0.09 0.36 −0.06 0.37 −0.05 0.36 0.04 0.16 0.05
LP 2017 0.27 −0.19 −0.25 0.24 0.06 −0.36 −0.05 − 0.06 −0.18
2018 0.22 −0.42 0.06 0.08 −0.05 0.3 0.17 −0.13 −0.23
LI 2017 0.32 −0.26 −0.03 − 0.14 −0.04 − 0.18 −0.05 − 0.03 −0.15
2018 0.29 −0.23 −0.03 0.20 −0.02 0.23 −0.27 − 0.07 −0.5
FWPB 2017 0.34 −0.24 −0.12 − 0.10 −0.09 − 0.15 −0.03 − 0.15 −0.06
2018 0.13 −0.37 −0.01 0.48 −0.11 − 0.18 0.10 − 0.12 0.04
SI 2017 0.06 −0.11 0.33 −0.59 −0.15 0.27 0.01 0.02 0.02
2018 0.06 0.32 −0.16 0.13 0.03 −0.16 −0.65 0.10 −0.32
Eigenvalue 2017 5.42 3.07 1.78 1.55 1.36 1.23 0.99 0.87 0.75
2018 4.61 2.9 2.55 1.69 1.66 1.33 0.98 0.79 0.71
Proportion 2017 0.27 0.15 0.08 0.07 0.06 0.06 0.05 0.04 0.03
2018 0.23 0.14 0.12 0.08 0.08 0.06 0.04 0.04 0.03
cumulative 2017 0.27 0.42 0.51 0.59 0.66 0.72 0.77 0.81 0.86
2018 0.23 0.37 0.50 0.58 0.67 0.73 0.78 0.82 0.86
  1. BL bending lower, AL acupuncture lower, CL compression lower, BU bending upper, AU acpuncture upper, CU compression upper, PH plant height, BW boll weight, GP growth period, LP lint percentage, LI lint index, FWPB flowering weight per boll, SI seed index, FS fiber strength, FL fiber length, UP uniformity percentage, SCI spinning consistancy index