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Growth of Populus x euramericana plantlet under different light durations

(2023) FORESTS. 14(3).
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Abstract
Using full-spectrum LED lights, six light treatments of 11 h, 12 h, 13 h, 14 h, 15 h, and CK (greenhouse natural light) were designed to examine the response of Populus euramericana plantlets to light duration in the greenhouse. Every 15 days during the 150-day experiment, plantlet height (H), ground diameter (GD), number of nodes (NN), number of leaves (NL), and the relative chlorophyll content(SPAD) were measured. The response of plantlets to different light durations was demonstrated by establishing and screening growth models, and rhythm and relative chlorophyll content were statistically analyzed. The light duration had a significant effect on the H and GD of Populus euramericana, and their growth was positively correlated with light duration. The short full-spectrum LED lighting duration will affect the rhythm and prematurely halt the growth of H, but the GD will continue to expand. The Gomperz model has the best fitting effect for the growth of Populus euramericana plantlets under LED lighting, with all R2s values greater than 0.89. Long light duration has a greater growth potential, and the rapid growth lasts longer. The delay in the cessation of the increase in the NN was a result of the increased illumination time. Compared with natural light, LED light lessens the NL. Poplar plantlets will have a lower SPAD value if the light duration exceeds 14 h. In the process of growing plantlets in the greenhouse, both light quality and light duration should be considered. In actual production, a combination of natural and artificial light can improve efficiency.
Keywords
Populus x euramericana, light duration, plantlets, growth model, rhythm, SPAD, PINUS-SYLVESTRIS L, BIOMASS PRODUCTION, SPRUCE, POPULATIONS, PHOTOPERIOD, PHYSIOLOGY, RESPONSES, SEEDLINGS, QUALITY, CANOPY

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MLA
Liu, Chenggong, et al. “Growth of Populus x Euramericana Plantlet under Different Light Durations.” FORESTS, vol. 14, no. 3, 2023, doi:10.3390/f14030579.
APA
Liu, C., Liu, N., Ding, C., Liu, F., Su, X., & Huang, Q. (2023). Growth of Populus x euramericana plantlet under different light durations. FORESTS, 14(3). https://doi.org/10.3390/f14030579
Chicago author-date
Liu, Chenggong, Ning Liu, Changjun Ding, Fenfen Liu, Xiaohua Su, and Qinjun Huang. 2023. “Growth of Populus x Euramericana Plantlet under Different Light Durations.” FORESTS 14 (3). https://doi.org/10.3390/f14030579.
Chicago author-date (all authors)
Liu, Chenggong, Ning Liu, Changjun Ding, Fenfen Liu, Xiaohua Su, and Qinjun Huang. 2023. “Growth of Populus x Euramericana Plantlet under Different Light Durations.” FORESTS 14 (3). doi:10.3390/f14030579.
Vancouver
1.
Liu C, Liu N, Ding C, Liu F, Su X, Huang Q. Growth of Populus x euramericana plantlet under different light durations. FORESTS. 2023;14(3).
IEEE
[1]
C. Liu, N. Liu, C. Ding, F. Liu, X. Su, and Q. Huang, “Growth of Populus x euramericana plantlet under different light durations,” FORESTS, vol. 14, no. 3, 2023.
@article{01J01RCKGVFKH6SJ8CPH3F3JDZ,
  abstract     = {{Using full-spectrum LED lights, six light treatments of 11 h, 12 h, 13 h, 14 h, 15 h, and CK (greenhouse natural light) were designed to examine the response of Populus euramericana plantlets to light duration in the greenhouse. Every 15 days during the 150-day experiment, plantlet height (H), ground diameter (GD), number of nodes (NN), number of leaves (NL), and the relative chlorophyll content(SPAD) were measured. The response of plantlets to different light durations was demonstrated by establishing and screening growth models, and rhythm and relative chlorophyll content were statistically analyzed. The light duration had a significant effect on the H and GD of Populus euramericana, and their growth was positively correlated with light duration. The short full-spectrum LED lighting duration will affect the rhythm and prematurely halt the growth of H, but the GD will continue to expand. The Gomperz model has the best fitting effect for the growth of Populus euramericana plantlets under LED lighting, with all R2s values greater than 0.89. Long light duration has a greater growth potential, and the rapid growth lasts longer. The delay in the cessation of the increase in the NN was a result of the increased illumination time. Compared with natural light, LED light lessens the NL. Poplar plantlets will have a lower SPAD value if the light duration exceeds 14 h. In the process of growing plantlets in the greenhouse, both light quality and light duration should be considered. In actual production, a combination of natural and artificial light can improve efficiency.
}},
  articleno    = {{579}},
  author       = {{Liu, Chenggong and Liu, Ning and Ding, Changjun and Liu, Fenfen and Su, Xiaohua and Huang, Qinjun}},
  issn         = {{1999-4907}},
  journal      = {{FORESTS}},
  keywords     = {{Populus x euramericana,light duration,plantlets,growth model,rhythm,SPAD,PINUS-SYLVESTRIS L,BIOMASS PRODUCTION,SPRUCE,POPULATIONS,PHOTOPERIOD,PHYSIOLOGY,RESPONSES,SEEDLINGS,QUALITY,CANOPY}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{11}},
  title        = {{Growth of Populus x euramericana plantlet under different light durations}},
  url          = {{http://doi.org/10.3390/f14030579}},
  volume       = {{14}},
  year         = {{2023}},
}

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