Plant Breeding and Biotechnology

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Table. 4.

Table. 4.

Yield-based drought tolerance indices of durum and bread wheat genotypes.

Genotype Yp Ys RED MP GMP HM DSI
Durum wheat G1 72.16 58.78 18.54 65.47 65.13 64.79 1.04
G2 84.04 68.69 18.27 76.37 75.98 75.59 1.02
G3 75.40 64.49 14.47 69.95 69.73 69.52 0.81
G4 74.50 60.51 18.78 67.51 67.14 66.78 1.05
G5 84.35 65.23 22.67 74.79 74.18 73.57 1.27
G6 78.06 68.79 11.88 73.43 73.28 73.13 0.67
Bread wheat G7 101.06 82.40 18.46 91.73 91.25 90.78 1.03
G8 82.42 67.90 17.62 75.16 74.81 74.46 0.99
G9 95.96 76.08 20.72 86.02 85.44 84.87 1.16
G10 81.44 66.29 18.60 73.87 73.48 73.09 1.04
G11 95.61 84.86 11.24 90.24 90.07 89.91 0.63
G12 105.89 85.55 19.21 95.72 95.18 94.64 1.08
G13 96.84 77.19 20.29 87.02 86.46 85.91 1.14
G14 81.30 66.52 18.18 73.91 73.54 73.17 1.02
G15 80.04 64.98 18.82 72.51 72.12 71.73 1.05
G16 86.43 73.69 14.74 80.06 79.81 79.55 0.83
G17 91.94 74.37 19.11 83.16 82.69 82.23 1.07
G18 79.75 64.78 18.77 72.27 71.88 71.49 1.05

Yp and Ys represent grain yield/plant (g) of a genotype under favorable and drought stress conditions, respectively. RED: the reduction percentage resulting by drought stress, MP: mean productivity, GMP: geometric mean productivity, HM: harmonic mean, DSI: drought susceptibility index. G1: BeniSuef-1, G2: BeniSuef-5, G3: Svevo, G4: Ciccio, G5: Sohag-3, G6: WK-12-1, G7: Line-6, G8: Pavon-F76, G9: KBG-01, G10: Gemmeiza-7, G11: L.S-15, G12: L.S-16, G13: Sakha-8, G14: L.1 × 15, G15: CHAM-8, G16: SIDS-1, G17: Giza-168 and G18: Sonora-64.

Plant Breed. Biotech. 2021;9:89-103 https://doi.org/10.9787/PBB.2021.9.2.89
© 2021 Plant Breed. Biotech.