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Table 4 Influence of un-irradiated Na-alginate (UISA) and γ-irradiated Na-alginate (ISA) at dose level of 100 kGy different concentrations on photosynthetic pigments

From: Role of gamma-irradiated sodium alginate on growth, physiological and active components of iceberg lettuce (Lactuca sativa) plant

Concentrate of SA (ppm)

Chl a (mg/g FW)

Chl b (mg/g FW)

Carotenoids (mg/g FW)

Total pigments (mg/g FW)

H2O

0.234 ± 0.034e

0.533 ± 0.025c

0.138 ± 0.008c

0.904 ± 0.087e

UISA

200

0.306 ± 0.057d

0.6377 ± 0.038c

0.140 ± 0.009c

1.08 ± 0.086d

ISA

200

0.416 ± 0.083c

0.830 ± 0.059b

0.169 ± 0.027b

1.41 ± 0.037c

400

0.752 ± 0.073a

1.069 ± 0..097a

0.209 ± 0.026a

2.029 ± 0.096a

600

0.588 ± 0.38b

0.920 ± 0.063b

0.181 ± 0.017b

1.689 ± 0.087b

800

0.247 ± 0.047e

0.631 ± 0.566c

0.1665 ± 0.028b

1.045 ± 0.047d

  1. Results are uttered as averages ± SE (n = 3), and means by various letter inside the same column are significantly difference (p ≤ 0.05)