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Table 3 The C/N ratios of leaves in Brassica napus plantlets cultured under nitrate treatment

From: Implication of quantifying nitrate utilization and CO2 assimilation of Brassica napus plantlets in vitro under variable ammonium/nitrate ratios

Parameters

NO3-N(mM) (+ 20 mM NH4-N)

5

10

20

40

CT/NT ratio

7.22 ± 0.64

7.04 ± 0.34

7.05 ± 0.16

5.53 ± 0.27

CC/NN ratio

8.96 ± 1.27

13.77 ± 1.61

10.38 ± 1.76

7.13 ± 1.02

CC/NA ratio

2.62 ± 0.25

3.47 ± 0.24

3.75 ± 0.30

3.83 ± 0.39

CS/NN ratio

22.49 ± 3.11

21.02 ± 2.34

16.13 ± 2.66

8.64 ± 1.19

CS/NA ratio

6.58 ± 0.71

5.30 ± 0.39

5.83 ± 0.83

4.64 ± 1.13

  1. Each nitrate treatment contained 20 mM ammonium. Each value represents the mean ± SE (n = 3). The standard error of the CC/NN ratio, CC/NA ratio, CS/NN ratio, and CS/NA ratio was calculated by the error propagation formula
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BMC Plant Biology

ISSN: 1471-2229

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