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Table 3 Effect of gamma irradiation doses on chlorophyll a, chlorophyll b, chlorophyll a + b and carotenoids of Jerusalem artichoke plants during 2019 and 2020 seasons

From: Effect of low gamma irradiation doses on growth, productivity and chemical constituents of Jerusalem artichoke (Helianthus tuberosus) tubers

Treatments

Chl a

mg/g F.W

Chl b

mg/g F.W

Chl a + b

mg/g F.W

Carotenoids

mg/g F.W

Frist season

0 (un-irradiated)

2.24

1.58

2.24

1.44

2.5 Gy

2.66

1.78

2.66

1.53

5 Gy

3.25

1.98

3.25

1.95

10 Gy

2.85

1.80

2.85

1.68

LSD0.05

0.31

0.06

0.24

0.02

Second season

0 (un-irradiated)

2.08

1.46

2.08

1.43

2.5 Gy

2.55

1.57

2.55

1.58

5 Gy

3.55

1.88

3.55

1.94

10 Gy

2.88

1.68

2.88

1.72

LSD0.05

0.22

0.04

0.21

0.02

  1. Bold indicates L.S.D. at 0.05 least significant differences