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Table 2 The chlorophyll concentration of 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

chl a (mg/g)

0.24 ± 0.02c

0.46 ± 0.03bc

0.64 ± 0.06ab

0.87 ± 0.09a

chl b (mg/g)

0.09 ± 0.01c

0.14 ± 0.01bc

0.20 ± 0.02b

0.29 ± 0.02a

chl a + b (mg/g)

0.32 ± 0.02c

0.60 ± 0.04bc

0.84 ± 0.08b

1.16 ± 0.10a

  1. Each nitrate treatment contained 20 mM ammonium. Each value represents the mean ± SE (n = 3). Values signed with the same letter in each line are not significantly different by Tukey’s test (p > 0.05)
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BMC Plant Biology

ISSN: 1471-2229

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