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Table 3 Instant use efficiency (WUEi), water potential (Wp), foliar carbon isotope composition (δC13), carbon use efficiency (CUE), nitrogen use efficiency (NUE), phosphorus use efficiency (PUE) in two cultivars with two-year-old seedlings of C. lanceolata as affected by water, soil and their interaction

From: Drought stress introduces growth, physiological traits and ecological stoichiometry changes in two contrasting Cunninghamia lanceolata cultivars planted in continuous-plantation soils

Cultivars Water condition Soil WUEi Wp (MPa) δC13 CUE NUE PUE
NC CK NP 4.98 ± 0.70d -0.86 ± 0.05d -28.33 ± 0.15c 2.45 ± 0.28de 3.06 ± 0.07de 2.37 ± 0.16e
NC CK CP 4.13 ± 0.94e -0.84 ± 0.10d -28.52 ± 0.23c 2.68 ± 0.31 cd 3.04 ± 0.06de 2.71 ± 0.36d
NC MWC NP 3.86 ± 0.15ef -0.89 ± 0.10d -28.97 ± 0.52d 2.23 ± 0.12de 2.98 ± 0.02e 2.66 ± 0.31de
NC MWC CP 3.24 ± 0.86f -1.26 ± 0.05bc -28.70 ± 0.29 cd 2.18 ± 0.04e 2.40 ± 0.02 g 2.39 ± 0.31de
NC LWC NP 6.67 ± 0.73c -1.17 ± 0.16c -27.25 ± 0.13a 3.00 ± 0.22bc 3.47 ± 0.14bc 3.07 ± 0.36 cd
NC LWC CP 10.61 ± 1.04a -1.63 ± 0.18a -27.78 ± 0.18b 3.90 ± 0.28a 3.51 ± 0.09b 4.60 ± 0.77a
SC CK NP 4.91 ± 0.50d -0.96 ± 0.09d -28.57 ± 0.08 cd 2.55 ± 0.20cde 3.12 ± 0.03d 3.15 ± 0.44c
SC CK CP 3.58 ± 0.42f -0.97 ± 0.13d -28.70 ± 0.30 cd 2.22 ± 0.06de 2.76 ± 0.00ef 2.36 ± 0.30de
SC MWC NP 4.65 ± 0.18de -0.96 ± 0.05d -28.55 ± 0.39 cd 2.98 ± 0.19bc 3.23 ± 0.24 cd 3.51 ± 0.46bc
SC MWC CP 5.09 ± 0.12d -1.33 ± 0.08bc -28.26 ± 0.22c 2.33 ± 0.21de 2.54 ± 0.11 fg 2.04 ± 0.13e
SC LWC NP 10.15 ± 0.62ab -1.40 ± 0.07b -27.37 ± 0.17a 3.19 ± 0.06b 3.66 ± 0.22b 3.78 ± 0.29b
SC LWC CP 9.60 ± 1.28b -1.75 ± 0.16a -27.70 ± 0.31b 3.65 ± 0.10a 4.00 ± 0.02a 3.37 ± 0.38bc
   P:Fw < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001 0.0002
   P:Fc 0.03 0.6465 0.07 0.6201 0.097 0.003
   P:Fs 0.46 0.0030 0.0006 0.00576 < 0.0001 0.0369
   P:Fw×Fc 0.0008 0.5172 0.0061 0.01 < 0.0001 0.2845
   P:Fw×Fs < 0.0001 0.7467 0.0.4 0.0184 < 0.0001 0.0167
   P:Fc×Fs 0.04 < 0.0001 0.59 0.0004 0.01 0.0007
   P:Fw×Fc×Fs < 0.0001 0.0001 0.0267 0.2484 0.0005 0.3965
  1. Values are mean ± SE. Values followed by different small letters and within parameters are significantly different at the P < 0.05 level according to Tukey’s test
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BMC Plant Biology

ISSN: 1471-2229

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