Spectroscopy and Spectral Analysis, Volume. 42, Issue 9, 2813(2022)
Effects of Alternating Light Spectrum on the Mineral Element Level of Lettuce
Figures & Tables(9)
Table 1. Light treatments of alternating red and blue light
View tableView in ArticleTable 1. Light treatments of alternating red and blue light
处理 红蓝光交替间隔 R/B(5 m) (R 5 m-B 5 m)…×96=16 h 暗期8 h R/B(10 m) (R 10 m-B 10 m)…×48=16 h 暗期8 h R/B(15 m) (R 15 m-B 15 m)…×32=16 h 暗期8 h R/B(30 m) (R 30 m-B 30 m)…×16=16 h 暗期8 h R/B(60 m) (R 60 m-B 60 m)…×8 =16 h 暗期8 h R/B(2 h) (R 2 h-B 2 h)…×4=16 h 暗期8 h R/B(4 h) (R 4 h-B 4h)…×2=16 h 暗期8 h R/B(8 h) (R 8 h-B 8 h)…×1=16 h 暗期8 h RB RB 8 h 暗期8 h RB 8 h
Table 2. Daily integral photons and electric consumption in treatments
View tableView in ArticleTable 2. Daily integral photons and electric consumption in treatments
处理 日累积光量子数/(mol·m-2) 日累积
耗电量/MJ红光 蓝光 总光量子数 R/B(5 m) 5.18 0.576 5.76 3.30 R/B(10 m) 5.18 0.576 5.76 3.30 R/B(15 m) 5.18 0.576 5.76 3.30 R/B(30 m) 5.18 0.576 5.76 3.30 R/B(60 m) 5.18 0.576 5.76 3.30 R/B(2 h) 5.18 0.576 5.76 3.30 R/B(4 h) 5.18 0.576 5.76 3.30 R/B(8 h) 5.18 0.576 5.76 3.30 RB 5.18 0.576 5.76 3.30
Table 3. Wavelength, standard series solution, correlation coefficients and relative standard deviation
View tableView in ArticleTable 3. Wavelength, standard series solution, correlation coefficients and relative standard deviation
元素 光谱波长
/nm标准液浓度/(mg·L-1) 相关
系数rRSD
/%K 766.490 0, 0.1, 1, 10, 100 0.998 9 0.41 P 213.617 0, 0.1, 1, 10, 100 0.998 6 0.39 Ca 317.933 0, 0.1, 1, 10, 100 0.999 8 0.23 Mg 279.077 0, 0.1, 1, 10, 100 0.998 3 0.63 Fe 238.204 0, 0.1, 0.4, 1, 4 0.999 2 0.38 Mn 257.610 0, 0.1, 0.4, 1, 4 0.998 9 0.74 Zn 213.857 0, 0.1, 0.4, 1, 4 0.998 8 0.55 Cu 324.752 0, 0.1, 0.4, 1, 4 0.999 1 0.53
Table 4. The content of macroelements in
Lactuca sativa exposed to different alternating spectrumView tableView in ArticleTable 4. The content of macroelements in
Lactuca sativa exposed to different alternating spectrum处理 R/B(5 m) R/B(10 m) R/B(15 m) R/B(30 m) R/B(60 m) R/B(2 h) R/B(4 h) R/B(8 h) RB K 70.74a 55.08c 71.28a 64.89b 56.97c 65.68b 55.52c 70.34a 65.47b P 7.67ab 7.52ab 7.02ab 6.51b 8.39a 7.95ab 7.79ab 7.51ab 8.10a Ca 12.57a 11.75ab 10.99b 10.96b 12.80a 12.20a 12.21a 11.83ab 12.89a Mg 4.04b 4.79a 3.15c 3.60c 4.65a 3.76c 4.38ab 3.48c 4.12b
Table 5. The content of microelements in Lactuca sativa exposed to different alternating spectrum
View tableView in ArticleTable 5. The content of microelements in Lactuca sativa exposed to different alternating spectrum
处理 R/B(5 m) R/B(10 m) R/B(15 m) R/B(30 m) R/B(60 m) R/B(2 h) R/B(4 h) R/B(8 h) RB Fe 219.28a 136.15bc 161.40b 118.29c 126.49c 157.67b 157.90b 145.83bc 142.89bc Mn 171.78a 108.27d 124.06c 108.62d 146.70b 123.79c 175.26a 126.22c 121.68c Zn 22.24b 19.79bc 21.54b 19.18bc 20.68b 22.81b 18.60c 33.24a 21.59b Cu 2.64bc 3.05b 1.63c 2.63bc 3.05b 1.93c 2.60bc 5.15a 2.53bc
Table 6. The shoot biomass of
Lactuca sativa and the consumption of photon and electricity in different alternating spectrum treatmentsView tableView in ArticleTable 6. The shoot biomass of
Lactuca sativa and the consumption of photon and electricity in different alternating spectrum treatments处理 单株地
上部
鲜重/
g单株地
上部
干重/
g单位干物质
所需的
光子数/
(mol·g-1)单位干物质
所消耗的
电能/
(MJ·g-1)R/B(5 m) 89.19bc 3.97b 2.32b 1.33b R/B(10 m) 98.43b 3.81b 2.42b 1.39b R/B(15 m) 103.74b 4.80ab 1.92bc 1.10c R/B(30 m) 115.50ab 5.06a 1.82c 1.04c R/B(60 m) 109.54b 4.48ab 2.06b 1.18bc R/B(2 h) 115.46ab 4.79ab 1.92bc 1.10c R/B(4 h) 125.82a 5.32a 1.73c 0.99c R/B(8 h) 112.34ab 4.41ab 2.09b 1.20bc RB 75.18c 2.83c 3.25a 1.86a
Table 7. The energy use efficiency of
Lactuca sativa in different alternating spectrum treatmentsView tableView in ArticleTable 7. The energy use efficiency of
Lactuca sativa in different alternating spectrum treatments处理 光能利用率/% 电能利用率/% R/B(5 m) 4.58b 1.50b R/B(10 m) 4.39b 1.44b R/B(15 m) 5.54ab 1.82ab R/B(30 m) 5.84a 1.92a R/B(60 m) 5.17ab 1.70ab R/B(2 h) 5.52ab 1.81ab R/B(4 h) 6.13a 2.01a R/B(8 h) 5.09ab 1.67ab RB 3.27c 1.07c
Table 8. The accumulation of macroelements in
Lactuca sativa exposed to different alternating spectrumView tableView in ArticleTable 8. The accumulation of macroelements in
Lactuca sativa exposed to different alternating spectrum处理 R/B(5 m) R/B(10 m) R/B(15 m) R/B(30 m) R/B(60 m) R/B(2 h) R/B(4 h) R/B(8 h) RB K 280.84b 209.85c 342.15a 328.36a 255.23b 314.59ab 277.60b 310.21ab 185.29c P 30.43bc 28.66c 33.69b 32.94b 37.59a 38.06a 38.93a 33.13b 22.91c Ca 49.89bc 44.74bc 52.73b 55.46ab 57.33ab 58.42ab 61.05a 52.16 b 36.48c Mg 16.06bc 18.26b 15.10c 18.21b 20.85a 18.00b 21.92a 15.35c 11.66d
Table 9. The accumulation of microelements in
Lactuca sativa exposed to different alternating spectrumView tableView in ArticleTable 9. The accumulation of microelements in
Lactuca sativa exposed to different alternating spectrum处理 R/B(5 m) R/B(10 m) R/B(15 m) R/B(30 m) R/C(60 m) R/B(2 h) R/B(4 h) R/B(8 h) RB Fe 870.55a 518.73c 774.71ab 598.53bc 566.67bc 755.23ab 789.50ab 643.11b 404.38d Mn 681.95b 412.50cd 595.49bc 549.64c 657.23b 592.95bc 876.28a 556.63c 344.34d Zn 88.28bc 75.40c 103.39b 97.03b 92.66b 109.25b 93.00b 146.58a 61.09d Cu 10.50b 11.61b 7.84c 13.28b 13.67b 9.26bc 13.01b 22.72a 7.16c
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Xiao-li CHEN, Li-chun WANG, You-li LI, Wen-zhong GUO. Effects of Alternating Light Spectrum on the Mineral Element Level of Lettuce[J]. Spectroscopy and Spectral Analysis, 2022, 42(9): 2813
Paper Information
Category: Research Articles
Received: Aug. 23, 2021
Accepted: Dec. 23, 2021
Published Online: Nov. 17, 2022
The Author Email: CHEN Xiao-li (chenxl@nercita.org.cn)
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