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Table 5 The three major components (PC1, PC2 and PC3) and PCA ranking values of the physiological parameters of 49 switchgrass lines after 30 days of drought stress

From: Assessment of drought tolerance of 49 switchgrass (Panicum virgatum) genotypes using physiological and morphological parameters

  PC1 PC2 PC3 Ranking Numeric rank
TEM-SEC 87.49 107.57 11.85 70.85 1
TEM-LoDorm 63.25 104.99 13.33 56.56 2
BN-13645-64 69.79 71.30 26.84 56.10 3
Alamo 69.12 68.30 26.50 55.15 4
BN-10860-61 65.49 44.07 38.37 50.26 5
BN-12323-69 66.67 36.81 40.43 49.93 6
TEM-SLC 53.58 95.92 14.45 49.52 7
T-2086 58.96 63.42 26.55 48.43 8
T-2100 55.28 73.88 23.46 47.75 9
T-2101 47.80 62.32 28.42 42.01 10
Caddo 43.77 73.18 24.35 41.08 11
Blackwell-1 30.59 94.67 15.16 36.09 12
AM-314/MS-155 37.03 46.80 35.42 33.92 13
70SG0019 23.45 64.54 25.49 27.96 14
70SG002 20.92 66.75 27.10 27.08 15
70SG0018 16.78 88.39 15.72 27.08 16
T16971 19.83 68.11 25.15 26.45 17
70SG0020 18.83 62.76 31.20 25.67 18
Trailblazer 23.00 43.38 34.70 25.13 19
BN-18758-67 17.86 60.66 32.70 24.93 20
BN-11357-63 5.73 128.58 −7.83 24.83 21
70SG0024 11.93 77.78 27.98 23.91 22
Forestburg −19.99 168.44 −20.14 15.42 23
T4614 6.53 49.47 24.46 15.41 24
Sunburst −15.56 140.08 −7.26 14.60 25
Kanlow 1.36 45.30 33.07 12.75 26
Shawnee −12.10 104.59 10.56 12.57 27
BN-8624-67 −7.92 71.94 28.49 11.48 28
Turkey −16.46 72.55 21.53 5.79 29
70SG0023 −23.86 74.50 19.51 1.61 30
Pathfinder −16.00 36.80 30.91 0.96 31
70SG005 −26.21 54.68 36.22 −1.17 32
T4613 −34.79 88.37 22.77 −1.89 33
70SG0021 −50.75 149.10 −12.89 −4.86 34
70SG004 −34.57 41.19 47.56 −6.98 35
Blackwell-3 −68.04 189.88 −33.62 −10.27 36
Summer −42.97 54.36 30.46 −11.63 37
70SG001 −49.36 88.38 11.94 −11.64 38
70SG0022 −56.64 62.00 33.21 −17.86 39
70SG0016 −64.46 84.77 8.47 −21.43 40
70SG0017 −57.00 5.22 56.18 −25.19 41
70SG003 −58.65 23.10 34.46 −25.67 42
Blackwell-2 −65.66 49.15 29.41 −25.79 43
Grif Nebraska 28 −63.46 15.19 40.02 −29.15 44
Grenville-2 −83.49 59.64 22.98 −35.05 45
Central Iowa Germplasm −96.63 103.35 8.59 −36.76 46
Cave-in-Rock −85.49 34.09 34.85 −39.22 47
Dacotah −101.37 86.86 16.36 −41.44 48
Nebraska 28 −102.90 17.87 44.40 −50.96 49