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Differential adaptations in nursery seedlings from diverse Chilean provenances of Peumus boldus Mol.

Carlos R Magni (1), Sergio E Espinoza (2)   , Emilio F Garrido (1), Rómulo E Santelices (2), Antonio M Cabrera (2)

iForest - Biogeosciences and Forestry, Volume 9, Issue 3, Pages 409-413 (2016)
doi: https://doi.org/10.3832/ifor1893-008
Published: Jan 29, 2016 - Copyright © 2016 SISEF

Short Communications


Seed germination, seedling growth and biomass allocation of the endemic species Peumus boldus Mol. (Boldo) were studied in four provenances (two northern and two southern provenances) from central Chile. Seeds collected from five different mother plants for each provenance were sowed in plastic pots and placed in an ambient nursery. Germinated seeds were transplanted to 130-mL containers and cultivated under nursery conditions during one growing season. Germination capacity, seed weight, morphological traits of seedlings (root collar diameter, height, number of leaves, foliar area, root length), their biomass allocation pattern (dry mass of leaves, shoots and roots) and survival were analyzed. Results showed significant differences among provenances and mother plants for most traits. Northern provenances showed slower germination, smaller size, higher root biomass, lesser leaf area, and higher survival, while seedlings from southern provenances were taller, with more body mass, larger leaf area and lower root biomass. We concluded that northern provenances of Peamus boldus are more tolerant to drought and therefore are suitable for ecological restoration of drought-prone Mediterranean sites, while the use of southern provenances must be restricted to restoration of more humid environments.

  Keywords


Boldo, Habitat Differentiation, Adaptation, Seed Provenances, Seedling Growth, Survival

Authors’ address

(1)
Carlos R Magni
Emilio F Garrido
Departamento de Silvicultura, Facultad de Ciencias Forestales y de la Conservación de la Naturaleza, Universidad de Chile, Avenida Santa Rosa 11315, La Pintana, Santiago (Chile)
(2)
Sergio E Espinoza
Rómulo E Santelices
Antonio M Cabrera
Centro de Desarrollo para el Secano Interior, Facultad de Ciencias Agrarias y Forestales, Universidad Católica del Maule, Avenida San Miguel 3605, Talca (Chile)

Corresponding author

 
Sergio E Espinoza
espinoza.sergio@gmail.com

Citation

Magni CR, Espinoza SE, Garrido EF, Santelices RE, Cabrera AM (2016). Differential adaptations in nursery seedlings from diverse Chilean provenances of Peumus boldus Mol.. iForest 9: 409-413. - doi: 10.3832/ifor1893-008

Academic Editor

Gianfranco Minotta

Paper history

Received: Oct 02, 2015
Accepted: Oct 20, 2015

First online: Jan 29, 2016
Publication Date: Jun 01, 2016
Publication Time: 3.37 months

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