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Variation in early growth and survival of Pinus ponderosa provenances established in southern Chile
| dc.contributor.author | Espinoza, Sergio | |
| dc.contributor.author | Quiroz, Iván A. | |
| dc.contributor.author | Magni, Carlos R. | |
| dc.contributor.author | Yáñez, Marco | |
| dc.date.accessioned | 2022-08-25T18:22:57Z | |
| dc.date.available | 2022-08-25T18:22:57Z | |
| dc.date.issued | 2021 | |
| dc.identifier.uri | http://repositorio.ucm.cl/handle/ucm/4020 | |
| dc.description.abstract | Pinus ponderosa P. & C. Lawson was introduced in Chile as a promising species for the diversification of the forest productivity and to optimize the soil productivity in areas where the traditional species have failed to develop satisfactorily; however, the introduction of exotic species in a new environment requires the selection of appropriate source of seeds as a first step for long-term breeding. In this study we assessed growth and survival on 30 Pinus ponderosa provenance seedlots from the Pacific and North Plateau races in the United States established in a common-garden experiment. The study included 3 seedlots from the coastal and inland regions of Washington State, 20 from Oregon, and 7 from California. Seedlings were planted in 2002 in a site characterized by high rainfall and snow. Tree height, root collar diameter, and survival were recorded, and a stem volume index calculated, at ages 1, 3, and 6 years since planting. At age 6 years, the best provenance seedlots from the Pacific race averaged 696 cm3 year−1 for stem volume index and 0.36 cm year−1 for height. The slowest-growing seedlot, of the North Plateau race, averaged 197 cm3 year−1 for volume index and 0.22 cm year−1 for height. Differences in survival were not large, ranging from 85% for a seedlot from interior Oregon to 98% for a Californian provenance. At age 6 years, the average survival across all seedlots was 91%, suggesting good adaptation of the species to the site conditions. The study suggests that provenances of the Pacific race could provide appropriate planting material for forest plantations in Southern Chile. | es_CL |
| dc.language.iso | en | es_CL |
| dc.rights | Atribución-NoComercial-SinDerivadas 3.0 Chile | * |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/cl/ | * |
| dc.source | New Forests, 52(6), 959-970 | es_CL |
| dc.subject | Seed origin | es_CL |
| dc.subject | Provenance trial | es_CL |
| dc.subject | Ponderosa pine | es_CL |
| dc.subject | Pacific race | es_CL |
| dc.subject | North plateau race | es_CL |
| dc.title | Variation in early growth and survival of Pinus ponderosa provenances established in southern Chile | es_CL |
| dc.type | Article | es_CL |
| dc.ucm.facultad | Facultad de Ciencias Agrarias y Forestales | es_CL |
| dc.ucm.indexacion | Scopus | es_CL |
| dc.ucm.indexacion | Isi | es_CL |
| dc.ucm.uri | link.springer.com/article/10.1007/s11056-021-09833-6 | es_CL |
| dc.ucm.doi | doi.org/10.1007/s11056-021-09833-6 | es_CL |
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