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Table 4 chlorophyll a, chlorophyll b and total chlorophyll of potted single tomato plants measured at 46 and 108 days after transplanted (DAT) for the 4 aeration levels at the 3 NaCl stress levels

From: Effect of soil aeration on root morphology and photosynthetic characteristics of potted tomato plants (Solanum lycopersicum) at different NaCl salinity levels

TreatmentsChl. a / (mg·g−1)Chl. b / (mg·g−1)Chl t/ (mg·g−1)
46DAT108DAT46DAT108DAT46DAT108DAT
CK2.27a2.94a0.81a1.14abc3.08a4.07a
S1A01.63abcd2.12abc0.55bcde1.22abc2.18abc3.35ab
S1A11.81abcd2.29abc0.67abcd1.21abc2.48ab3.51ab
S1A22.09a2.41ab0.70abc1.27abc2.78a3.68ab
S1A32.16a2.60ab0.78ab0.99abc2.93a3.59ab
S2A01.75abcd1.83abc0.61abcde1.13abc2.36abc2.96abc
S2A11.92ab2.27abc0.65abcd1.53ab2.57ab3.81ab
S2A21.88abc2.36ab0.66abcd1.00abc2.54ab3.35ab
S2A32.04a2.45ab0.69abc1.77a2.73a4.22a
S3A01.14d0.61c0.38e0.47c1.52c1.08c
S3A11.21 cd1.03bc0.51cde0.60c1.72bc1.63bc
S3A21.27bcd1.26abc0.44de0.83bc1.71bc2.09abc
S3A31.65abcd1.97ab0.58abcde1.22a2.23abc3.18a
F-value
 Aeration volume (A)2.480 ns1.481 ns2.880 ns1.716 ns2.637 ns2.257 ns
 Salinity level (S)10.369**6.299**10.403**4.351*10.785**7.798**
 A × S0.255 ns0.180 ns0.280 ns2.111 ns0.236 ns0.579 ns
  1. Note: Values followed by different small letters in the same column meant significant differences at p < 5%. ANOVA F-value for main and interaction effects were not significant (ns) or significant at ≤5% (*) and ≤ 1% level (**)