UV-B Radiation Impacts Shoot Tissue Pigment Composition in Allium fistulosum L. Cultigens
Table 1
Mean valuesa for shoot tissue height (cm) and fresh biomass (g) 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
Shoot tissue height (cm)
Shoot tissue fresh biomass (g)
UV-B
Control
Pr >
UV-B
Control
Pr >
Deep Purple
44.71 ± 5.49
45.19 ± 4.52
ns
64.54 ± 17.02
97.80 ± 17.44
Evergreen Hardy White
39.11 ± 1.96
41.05 ± 5.38
ns
38.65 ± 7.80
70.78 ± 8.08
ns
Feast
38.58 ± 3.24
39.96 ± 2.40
ns
48.79 ± 15.99
90.46 ± 13.85
GA-C 76
38.82 ± 1.91
44.13 ± 3.70
41.90 ± 2.66
73.00 ± 15.53
Ishikura improved F1
39.63 ± 1.12
41.17 ± 3.13
ns
54.93 ± 9.22
99.80 ± 9.47
Improved Beltsville Bunching
44.26 ± 1.69
48.06 ± 2.19
ns
76.86 ± 9.82
110.42 ± 19.39
Jionji Negi
36.20 ± 1.82
38.63 ± 1.54
ns
38.05 ± 4.73
62.04 ± 8.23
Long White Bunching
49.68 ± 2.09
50.38 ± 4.62
ns
74.07 ± 8.73
116.01 ± 20.24
Parade
42.13 ± 2.60
36.03 ± 9.40
ns
53.89 ± 10.73
90.81 ± 16.87
Performer
39.37 ± 2.36
39.42 ± 3.10
ns
54.74 ± 11.08
86.25 ± 16.66
Pesoenyj
39.44 ± 4.23
44.54 ± 4.03
ns
29.22 ± 9.30
58.76 ± 6.37
Shounan
36.72 ± 3.02
37.14 ± 2.54
ns
39.17 ± 3.56
63.32 ± 4.02
White Spear
40.06 ± 2.79
42.42 ± 1.72
ns
53.16 ± 14.41
87.42 ± 10.58
Zhang Qui Da Cong
36.62 ± 2.88
37.87 ± 3.80
ns
53.57 ± 19.51
84.72 ± 16.67
ns
274254-05GI
42.48 ± 1.86
43.79 ± 4.40
ns
47.63 ± 4.34
84.65 ± 6.98
G 30393-06GI
36.62 ± 3.40
35.67 ± 1.31
ns
50.96 ± 8.63
81.69 ± 12.01
5.77
5.80
10.72
19.33
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 .
