TABLE 1.
Total light intensity (400–750 nm), phytochrome photostationary state (PSS), and spectral composition of light in different treatments.
Treatment | Intensity | PSS | Spectral composition | ||
Blue | Red | Far-red | |||
(μmol⋅m–2⋅s–1) | (%) | ||||
High-R | 128.9 (1.67) a | 0.90 (0.0008) a | 8.3 (0.39) c | 91.7 (0.39) a | 0 (0.00) b |
High-B | 132.2 (1.44) a | 0.86 (0.0008) b | 47.2 (0.24) a | 52.8 (0.24) b | 0 (0.00) b |
High-B+FR | 138.1 (1.52) a | 0.78 (0.0008) c | 41.6 (0.20) b | 41.5 (0.28) c | 16.9 (0.12) a |
Percentages of photons associated with broadband blue (400–500 nm), red (600–699 nm), and far-red (700–750 nm) light are shown. Values represent least square means and standard errors (±) (in parenthesis).