Resumen

GUTIERREZ-COLLAO, Jairo Edson et al. Slenderness in a plantation of Pinus radiata D. Don, with and without silvicultural treatment in Huancavelica, Peru. RIIARn [online]. 2025, vol.12, n.2, pp.50-58. ISSN 2409-1618.  https://doi.org/10.53287/wmpd6891ju77z.

The Ustuna annex, located in Huancavelica-Perú, reports inadequate forest management and poor implementation of silvicultural treatments in forest plantations, which is reflected in minimal growth in diameter and height of tree individuals. The objective is to determine dendrometric variables in plantations of Pinus radiata D. Don (pine), with or without silvicultural pruning treatments, in the Ustuna annex, Pampas-Tayacaja, Huancavelica. The methodology employed was a stratified systematic inventory, evaluating eight plots with evidence of pruning and seven plots without pruning evidence in the tree individuals. Data was collected on diameter at breast height (m), commercial height (m), total height (m), basal area (m²), commercial volume (m³), and slenderness of the tree individuals, which were based on mean values, standard deviation, and coefficient of variation. The results report that in the plots where pruning evidence was observed, the evaluated variables are lower than those collected in the plots without pruning evidence in the tree individuals, especially the slenderness variable, as the individuals without pruning evidence reported greater stability than those with pruning evidence. It concludes that pruning intensities diminish relative growth in variables such as diameter at breast height, commercial and total height, basal area, commercial volume, and slenderness in tree individuals of Pinus radiata D. Don (pine).

Palabras clave : commercial height; diameter at breast height; forest plantations; pruning.

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