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Table 1 Height increment (HI), basal diameter increment (DI), dry mass accumulation (DMA), root to shoot ratio (R/S), total chlorophyll content (TChl), chlorophyll a/b ratio (Chla/b), carotenoid content (Caro) in two cultivars with two-year-old seedlings of C.lanceolataas 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 HI (cm) DI (mm) DMA (g) R/S TChl Chla/b Caro
NC CK NP 26.03 ± 1.64a 5.42 ± 0.75ab 33.20 ± 4.13b 0.43 ± 0.06ab 0.96 ± 0.08d 2.45 ± 0.03bc 0.23 ± 0.00d
NC CK CP 16.13 ± 1.87de 3.34 ± 0.38e 14.29 ± 0.83e 0.41 ± 0.06b 0.92 ± 0.03d 2.47 ± 0.05b 0.22 ± 0.02d
NC MWC NP 19.75 ± 1.54 cd 4.26 ± 0.61 cd 19.23 ± 1.97d 0.44 ± 0.05ab 1.53 ± 0.00c 2.81 ± 0.06a 0.31 ± 0.06bc
NC MWC CP 11.79 ± 1.32f 3.10 ± 0.42e 9.15 ± 1.32 g 0.49 ± 0.01a 1.60 ± 0.19c 2.85 ± 0.13a 0.28 ± 0.02bc
NC LWC NP 14.49 ± 1.31ef 3.72 ± 0.36d 11.92 ± 1.69f 0.30 ± 0.02 cd 2.68 ± 0.34a 2.79 ± 0.17a 0.40 ± 0.02a
NC LWC CP 8.08 ± 1.03 g 3.11 ± 0.6e 7.63 ± 0.8 h 0.28 ± 0.03d 2.36 ± 0.17b 2.76 ± 0.02a 0.32 ± 0.05bc
SC CK NP 25.38 ± 1.35ab 5.59 ± 0.87a 41.42 ± 4.29a 0.40 ± 0.05b 1.06 ± 0.01d 2.22 ± 0.16c 0.25 ± 0.01 cd
SC CK CP 21.98 ± 1.93bc 4.78 ± 0.44bc 25.25 ± 2.65c 0.46 ± 0.05ab 0.85 ± 0.00d 2.40 ± 0.05bc 0.24 ± 0.02d
SC MWC NP 20.22 ± 1.63 cd 5.05 ± 0.22ab 28.43 ± 1.28bc 0.34 ± 0.04c 1.50 ± 0.04c 2.75 ± 0.13a 0.29 ± 0.02bc
SC MWC CP 17.92 ± 1.49de 4.77 ± 0.58bc 17.63 ± 1.51d 0.44 ± 0.05ab 1.68 ± 0.15c 2.72 ± 0.11a 0.30 ± 0.03bc
SC LWC NP 15.38 ± 1.28ef 4.73 ± 0.48bc 18.73 ± 1.29d 0.27 ± 0.02d 2.72 ± 0.09a 2.57 ± 0.16ab 0.33 ± 0.04ab
SC LWC CP 7.60 ± 1.02 g 3.59 ± 0.27de 8.37 ± 0.99gh 0.34 ± 0.03c 1.71 ± 0.02c 2.75 ± 0.04a 0.35 ± 0.11ab
   P:Fw < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.001 0.0004 < 0.0001
   P:Fc 0.0013 < 0.0001 < 0.0001 0.2782 0.0671 0.5350 0.9392
   P:Fs < 0.0001 < 0.0001 < 0.0001 0.0380 0.0197 0.1746 0.2561
   P:Fw×Fc 0.7955 0.2412 0.0373 0.0623 0.0086 0.8434 0.4706
   P:Fw×Fs 0.6754 0.0885 < 0.0001 0.3968 0.0013 0.3346 0.7508
   P:Fc×Fs 0.0031 0.0569 0.4922 0.0365 < 0.0001 0.0769 0.0810
   P:Fw×Fc×Fs 0.4997 0.0269 0.1861 0.9037 < 0.0001 0.2423 0.73892
  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. NC, normal cultivar; SC, super cultivar; CK, control watering regime; MWC, mild water stress; LWC, heavy water stress; Fw, water stress effect; Fc, cultivar effect; Fs, soil effect; Fw×Fc, water and cultivar interaction; Fs×Fc, soil and cultivar interaction; Fw×Fs, water and soil interaction; Fw×Fc×Fs, soil, water and cultivar interaction