Characteristic of epicotyl dormancy and its hormonal regulation in Chinese cork oak (Quercus variabilis)

Chen, Yixin; Liu, Puyuan; Wang, Yaochen; Xu, Tong; Li, Jinjin; Pei, Ziqi; Zhang, Yuhao; Li, Guolei; Yang, Qinsong

doi:10.1016/j.plaphy.2024.109041

Plant Physiology and Biochemistry

2024

DOI: 10.1016/j.plaphy.2024.109041

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Characteristic of epicotyl dormancy and its hormonal regulation in Chinese cork oak (Quercus variabilis)

Yixin Chen,

Puyuan Liu,

Yaochen Wang

et al.

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Cited by 1 publication

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Response of Morphological Plasticity of Quercus variabilis Seedlings to Different Light Quality

Wang,

Luo,

Liu

et al. 2024

Forests

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This experiment explores the regulatory mechanisms of various light qualities on the phenotypic plasticity of Quercus variabilis seedlings during their growth. The light conditions included blue light (BL), red light (RL), far-red light (FrL), a blend of RL and FrL with a ratio of 1:1 (RFr1:1L), and a blend of RL and FrL with a ratio of 1:2 (RFr1:2L), alongside a broad-spectrum white light (WL) as the control. Each treatment was maintained at a consistent photosynthetic photon flux density of 400 µmol·m−2·s−1. Results indicate significant morphological variations in Q. variabilis seedlings under different light qualities. Compared to white light treatment, all light quality treatments enhance seedling height, with the FrL treatment exhibiting the most pronounced effect. Seedling ground diameter elongation is stimulated by all light quality treatments, except for the BL treatment. Although the BL treatment promotes leaf morphology in Q. variabilis seedlings, it inhibits root growth, leading to reduced biomass accumulation and a lower root-to-shoot ratio. FrL can mitigate the effects of RL. Under the FrL treatment, Q. variabilis seedlings exhibit a greater increase in plant height and a higher height-to-diameter ratio. While the leaf morphology of RFr1:1L treatment does not show significant advantages, it demonstrates substantial root growth, resulting in the highest biomass accumulation. Quercus variabilis displays the strongest morphological plasticity in its root system, showing greater sensitivity to variations in light quality compared to leaf morphology and biomass accumulation. Strategically optimizing light spectrum and wavelength can significantly boost economic yields and improve the quality of forestry products.

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Response of Morphological Plasticity of Quercus variabilis Seedlings to Different Light Quality

Wang,

Luo,

Liu

et al. 2024

Forests

View full text Add to dashboard Cite

show abstract

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Characteristic of epicotyl dormancy and its hormonal regulation in Chinese cork oak (Quercus variabilis)

Cited by 1 publication

References 31 publications

Response of Morphological Plasticity of Quercus variabilis Seedlings to Different Light Quality

Response of Morphological Plasticity of Quercus variabilis Seedlings to Different Light Quality

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