Breeding Productive Tree Genotypes: The Role of Hydraulic Resistance Along the Root‐Stem‐Leaf Continuum in Constraining Growth DOI Open Access
Han Zhao, Rong Luo, Jing Cai

et al.

Plant Cell & Environment, Journal Year: 2025, Volume and Issue: unknown

Published: March 27, 2025

Breeding productive tree genotypes is crucial for sustainable forestry, yet the hydraulic architecture along root-stem-leaf continuum that constrains biomass yield remains unclear. Here, six poplar hybrid with contrasting were used to quantify whole-plant resistance, its partitioning patterns, and anatomical traits continuum. We observed substantial genetic variations in resistance parameters. Roots contributed largest proportion of (> 54%). Components well-coordinated, all components was strongly correlated (R2 > 0.75), suggesting a strong predictor yield. However, patterns generally showed weak correlations yield, more smaller leaves. Vessel diameter key determinant at root leaf levels ≥ vessel length significantly influenced stem = 0.80). Additionally, higher minor vein density lower ratio palisade spongy mesophyll thickness exhibited resistance. Our results suggest low throughout functional basis high identification structural constraints will help overcome bottlenecks breeding genotypes.

Language: Английский

Breeding Productive Tree Genotypes: The Role of Hydraulic Resistance Along the Root‐Stem‐Leaf Continuum in Constraining Growth DOI Open Access
Han Zhao, Rong Luo, Jing Cai

et al.

Plant Cell & Environment, Journal Year: 2025, Volume and Issue: unknown

Published: March 27, 2025

Breeding productive tree genotypes is crucial for sustainable forestry, yet the hydraulic architecture along root-stem-leaf continuum that constrains biomass yield remains unclear. Here, six poplar hybrid with contrasting were used to quantify whole-plant resistance, its partitioning patterns, and anatomical traits continuum. We observed substantial genetic variations in resistance parameters. Roots contributed largest proportion of (> 54%). Components well-coordinated, all components was strongly correlated (R2 > 0.75), suggesting a strong predictor yield. However, patterns generally showed weak correlations yield, more smaller leaves. Vessel diameter key determinant at root leaf levels ≥ vessel length significantly influenced stem = 0.80). Additionally, higher minor vein density lower ratio palisade spongy mesophyll thickness exhibited resistance. Our results suggest low throughout functional basis high identification structural constraints will help overcome bottlenecks breeding genotypes.

Language: Английский

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