UV-B Radiation Impacts Shoot Tissue Pigment Composition in Allium fistulosum L. Cultigens
Table 3
Mean valuesa for shoot tissue neoxanthin, lutein, and β-carotene (mg/100 g fresh mass) for Allium fistulosum L. cultigens grown under supplemental UV-B (313 nm) light [7.0 mol·m−2·s−2 (2.68 W·m−2); UV-B] or UV-filtered (control) light in a glasshouse in Knoxville, TN, USA (35°96′N Lat.).
Cultigen
Neoxanthin
Lutein
β-carotene
UV-B
Control
Pr >
UV-B
Control
Pr >
UV-B
Control
Pr >
mg/100 g fresh mass
Deep Purple
0.73 ± 0.51
1.04 ± 0.59
ns
5.04 ± 1.48
5.38 ± 0.73
ns
1.07 ± 0.81
1.09 ± 0.30
ns
Evergreen Hardy White
0.74 ± 0.47
0.40 ± 0.18
ns
7.10 ± 2.86
5.10 ± 1.49
ns
0.88 ± 0.71
0.64 ± 0.23
ns
Feast
2.09 ± 0.48
0.79 ± 0.57
P = 0.013
7.66 ± 0.90
4.11 ± 0.54
P = 0.001
1.85 ± 0.85
1.04 ± 0.74
ns
GA-C 76
1.53 ± 0.32
0.66 ± 0.18
P = 0.003
7.66 ± 0.38
5.57 ± 0.67
P = 0.002
1.48 ± 0.27
1.17 ± 0.09
ns
Ishikura Improved F1
0.63 ± 0.43
0.63 ± 0.30
ns
6.35 ± 3.18
4.80 ± 1.20
ns
2.20 ± 2.59
0.78 ± 0.41
ns
Improved Beltsville Bunching
0.82 ± 0.89
0.60 ± 0.16
ns
6.95 ± 1.34
5.62 ± 0.65
ns
1.64 ± 0.95
1.39 ± 0.30
ns
Jionji Negi
0.92 ± 0.25
0.91 ± 0.36
ns
7.35 ± 1.65
6.21 ± 1.49
ns
1.74 ± 1.20
2.29 ± 1.32
ns
Long White Bunching
1.76 ± 0.26
1.47 ± 0.35
ns
6.00 ± 0.58
5.05 ± 1.17
ns
1.69 ± 0.29
1.94 ± 0.56
ns
Parade
1.46 ± 0.81
0.87 ± 0.36
ns
6.36 ± 1.17
6.04 ± 1.47
ns
1.26 ± 0.14
2.54 ± 1.23
ns
Performer
1.14 ± 0.90
0.75 ± 0.47
ns
6.33 ± 0.96
5.60 ± 2.36
ns
1.28 ± 0.48
2.38 ± 1.65
ns
Pesoenyj
1.03 ± 0.19
1.96 ± 0.78
ns
8.01 ± 1.21
9.23 ± 2.59
ns
1.87 ± 0.20
3.45 ± 2.39
ns
Shounan
1.32 ± 0.71
0.54 ± 0.32
ns
7.66 ± 2.83
5.03 ± 1.26
ns
2.80 ± 1.46
1.10 ± 0.54
ns
White Spear
1.21 ± 0.62
0.93 ± 0.63
ns
6.08 ± 0.94
4.70 ± 1.37
ns
1.49 ± 0.51
1.08 ± 0.60
ns
Zhang Qui Da Cong
0.75 ± 0.42
0.65 ± 0.29
ns
5.65 ± 1.44
5.31 ± 1.47
ns
1.05 ± 0.24
1.20 ± 0.57
ns
274254-05GI
0.84 ± 0.37
0.72 ± 0.45
ns
6.18 ± 0.79
5.33 ± 1.82
ns
1.81 ± 0.86
1.86 ± 1.57
ns
G 30393-06GI
1.86 ± 0.44
0.85 ± 0.62
P = 0.040
6.02 ± 1.18
4.42 ± 0.69
ns
1.86 ± 0.77
1.28 ± 0.67
ns
0.78
0.67
ns
2.14
ns
1.54
aComposition of plant samples from 4 replications ± standard deviation. bSignificance based on paired Student’s t-test among treatments; ns: not significant. cLSD for differences between cultivar means .
