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Background and aims <p>Seasonal environmental change exerts a great impact on plant functional traits, including modifications of anatomical, stomata and hydraulic traits. Plant traits belonging to different organs are considered relevant for overall plant performance. Therefore, variation in trait network topology at the whole-plant level can better reflect plant adaptation and response to environments compared with traditional methods, but the mechanisms underlying the seasonal pattern trait network of <i>Vitis</i> species from a trait network perspective are not well understood.</p> Methods <p>In this study, based on a 1-year field experiment for 9 <i>Vitis</i> species, detailed approaches were employed to constructed trait networks from 14 traits belonging to different organs and tissues.</p> Results <p>Our results showed that the overall modularity of 9 <i>Vitis</i> species exhibited slight variation. Leaf-specific conductivity (LSC) was the hub trait in May and July changed to Huber value (Hv) in September. Those two hub traits expressed higher phenotypic plasticity and held higher importance within the network in different seasons. PLS-PM analysis revealed that coordinated variations in anatomical and stomatal traits jointly shape hydraulic architecture of <i>Vitis</i> species.</p> Conclusion <p>Collectively, Parameters of PTNs topologies in this study highlights the response of multiple trait association to different season from a network perspective. Given the current scarcity of functional trait studies on <i>Vitis</i> species, the seasonal changing pattern of plant functional trait across 9 <i>Vitis</i> species were examined to reveal the plant adaptation mechanism using a network-based approach.</p>

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Seasonal trait network patterns of nine Vitis species in Karst Region

  • 期刊论文

  • 发表日期：

    2025年10月31日

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  • Mengmeng Liu,
  • Shuyang Zhao,
  • Lei Luo,
  • Xiangfeng Tan,
  • Feihong Ren,
  • Xuejun Pan,
  • Wene Zhang

摘要

Background and aims

Seasonal environmental change exerts a great impact on plant functional traits, including modifications of anatomical, stomata and hydraulic traits. Plant traits belonging to different organs are considered relevant for overall plant performance. Therefore, variation in trait network topology at the whole-plant level can better reflect plant adaptation and response to environments compared with traditional methods, but the mechanisms underlying the seasonal pattern trait network of Vitis species from a trait network perspective are not well understood.

Methods

In this study, based on a 1-year field experiment for 9 Vitis species, detailed approaches were employed to constructed trait networks from 14 traits belonging to different organs and tissues.

Results

Our results showed that the overall modularity of 9 Vitis species exhibited slight variation. Leaf-specific conductivity (LSC) was the hub trait in May and July changed to Huber value (Hv) in September. Those two hub traits expressed higher phenotypic plasticity and held higher importance within the network in different seasons. PLS-PM analysis revealed that coordinated variations in anatomical and stomatal traits jointly shape hydraulic architecture of Vitis species.

Conclusion

Collectively, Parameters of PTNs topologies in this study highlights the response of multiple trait association to different season from a network perspective. Given the current scarcity of functional trait studies on Vitis species, the seasonal changing pattern of plant functional trait across 9 Vitis species were examined to reveal the plant adaptation mechanism using a network-based approach.