Analysis of a Nelder trial in New Zealand and application to management of Pinus radiata D. Don stands in North-Western Spain

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Sevillano-Marco, E., Fernández-Manso, A., Quintano, C. (2015) - Analysis of a Nelder trial in New Zealand and application to management of Pinus radiata D. Don stands in North-Western Spain - Spanish Journal of Rural Development

Profitability of plantations, especially when dealing with exotic
species, requires knowledge of how wood properties and growth can
be manipulated by silvicultural management. The interactive effects of
initial stand density and genotype on stiffness, stem form, branching
and growth (height and diameter) was examined reviewing forestry
expertise with Pinus radiata D. Don, and measurements recorded in
2009 from a sample of 177 radiata pine stems of a Nelder trial in New
Zealand. Breeding programs, widespread in New Zealand stands,
interact with management practices. The study shows a higher number
of defects in an unthinned situation, and scarce influence of genetic
provenance over the stem variables analysed compared to the
influence of stocking. The stem variables recorded in New Zealand
are easily measured in the field and supply useful information as
regards profitability of the stands, including quality of the final
product. The overall analysis of the interaction between genetics and
silviculture enables sketching valuable guidelines for the
establishment of the species in Spain, considering quality and form
parameters in production objectives, frequently aimed exclusively at
maximizing volume yields.

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SCI: 
SI
Tipo de Publicación: 
Volumen: 
VI (1-2)
Página Inicial: 
91
Página Final: 
106

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