Individual code yield evaluation in a Stonepine (Pinus pinea L.) clone bank
Keywords:
stone pine (Pinus pinea), grafted plantation, individual cone-yield model, genetic improvement, clonal selection
Abstract
The present paper analyses cone yields of ninety clones during four years in a stonepine clone bank in Madrid. The yield of each tree was modelled by a generalized linear model that includes the genotype as fixed factor and size parameter and spatial correlations as covariables. The latter two were surrogated by stem cross-section area above grafting point and by the moving average of the direct neighbour trees. Original Complete Block Design failed to remove plot variability, so a iterative method was used for archiving independent residuals. Clonal least square means showed a gradual variation, which did not allow to discriminate a clear group of plus genotypes.Downloads
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Published
2003-04-01
How to Cite
Mutke Regneri, S., Sada Arias, B., Iglesias Sauce, S., & Gil Sánchez, L. (2003). Individual code yield evaluation in a Stonepine (Pinus pinea L.) clone bank. Forest Systems, 12(1), 149-157. https://doi.org/10.5424/794
Issue
Section
Research Articles
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