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Table 1 Growth, phosphate uptake, and phosphate utilization efficiency of the two cultivars under Pi deficiency

From: Greater morphological and primary metabolic adaptations in roots contribute to phosphate-deficiency tolerance in the bread wheat cultivar Kenong199

Traitsa Tissues Chinese Spring (CS) Kenong199 (KN199)
+Pi −Pi +Pi −Pi
Biomass (mg DWb/plant) Shoot 252.7 ± 40.1a 207.4 ± 27.1b 171.2 ± 5.0b 158.9 ± 18.5b
Root 43.8 ± 5.8bc 49.2 ± 3.6ab 36.9 ± 2.0c 53.3 ± 7.7a
R/S 0.207 ± 0.017b 0.266 ± 0.010ab 0.236 ± 0.026ab 0.298 ± 0.078a
Length (cm) Shoot 35.7 ± 1.9a 32.8 ± 2.0a 28.2 ± 2.7b 27.7 ± 3.8b
Root 32.6 ± 1.9c 33.6 ± 3.7bc 34.9 ± 2.9b 38.9 ± 1.8a
Total P conc.c (mg P/g DW) Shoot 4.60 ± 0.69b 1.21 ± 0.10d 6.31 ± 0.73a 2.12 ± 0.16c
Root 6.46 ± 0.15b 2.52 ± 0.26c 7.99 ± 0.37a 2.81 ± 0.13c
Soluble Pi conc. (ug P/g FWd) Shoot 282.40 ± 33.44b 81.31 ± 0.83d 449.72 ± 18.81a 146.07 ± 18.30c
Root 198.39 ± 36.61b 43.68 ± 6.46c 290.73 ± 40.95a 58.10 ± 10.28c
P content (mg P/plant) Shoot 1.78 ± 0.22a 0.38 ± 0.03c 1.26 ± 0.27b 0.45 ± 0.88c
Root 0.55 ± 0.04a 0.18 ± 0.03b 0.50 ± 0.13a 0.20 ± 0.10b
PUEe (g DW/mg P) Shoot 0.57 ± 0.06c 2.68 ± 0.22a 0.82 ± 0.16c 2.27 ± 0.36b
Root 1.81 ± 0.14b 5.52 ± 0.78a 2.09 ± 0.48b 4.92 ± 0.28a
  1. Notes: a 12-day-old wheat seedlings were grown on Pi-sufficient (+Pi) solution or Pi-deficient (−Pi) solutions for 7 days. Data are means ± SD (n = 4), and different letters indicate significant differences using the least significant difference multiple range test (p < 0.05). b DW: dry weight; c conc.: concentration; d FW: fresh weight; e PUE: phosphate utilization efficiency