Selección de procedencias de pino oregon (Pseudotsuga menziesii (Mirb. Franco) en la zona sur de Chile

Aguirre, A.J.; Wrann, H Johannes

doi:10.52904/0718-4646.1989.111

C&I Forestal

1989

DOI: 10.52904/0718-4646.1989.111

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Selección de procedencias de pino oregon (Pseudotsuga menziesii (Mirb. Franco) en la zona sur de Chile

A.J. Aguirre¹,

H Johannes Wrann²

Abstract: Se evalúan los resultados de tres ensayos de procedencias de Pino Oregón (Pseudotsuga menziesii (MIRB.) Franco) establecidos en las Regiones del Biobío y de Los Lagos. A la edad de 15 años se encontraron diferencias estadísticamente significativas entre los volúmenes de las diferentes procedencias ensayadas. Los mejores resultados se obtuvieron en los dos ensayos establecidos en la zona costera del Biobío y Los Lagos. Las procedencias de la zona Noroeste de Estados Unidos, especialmente las del estado de Washi… Show more

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Douglas-fir Exhibits High Growth Performance and Survival in Southern Chile

Meza

Quiroz²,

Diaz

et al. 2023

Forest Science

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We evaluated the potential of 19 provenances of the coastal variety of Douglas-fir for commercial plantation development in Southern Chile. Seedlings from 668 families were planted in two trials differing in site preparation and previous land use conditions. Height (H), diameter at breast height (DBH), stem volume index (VOL), and survival (SUR) were measured on all trees at the age of 10 years. Provenances from west of the Cascade Crest in Washington and Oregon performed the best at both sites, whereas provenances from east of the Cascade Crest were among the worst. Differences among provenances were not large and average H, DBH, VOL, and SUR across all provenances were 7.3 m, 11.9 cm, 0.06 m3, and 82%, respectively. The results indicate good potential of the species at sites in Southern Chile characterized by high levels of precipitation. Seed sources from coastal Washington and Oregon could provide appropriate planting material under current climate conditions. Study Implications: This study examined the performance in growth and survival of different provenances of Douglas-fir with the intention to inform foresters which are the most appropriate provenances for planting activities. The provenances tested had an average survival of 82%. Provenances originating from west of the Cascade Crest in Washington and Oregon were the best performing provenances in the study area and can be used as planting material for the establishment of large-scale plantations.

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Douglas-fir Exhibits High Growth Performance and Survival in Southern Chile

Meza

Quiroz²,

Diaz

et al. 2023

Forest Science

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Selección de procedencias de pino oregon (Pseudotsuga menziesii (Mirb. Franco) en la zona sur de Chile

Cited by 1 publication

References 0 publications

Douglas-fir Exhibits High Growth Performance and Survival in Southern Chile

Douglas-fir Exhibits High Growth Performance and Survival in Southern Chile

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