Performance of Pinus pinaster provenances in Spain Interpretation of the genotype by environment interaction
The objective of this study was the interpretation of the genotype-environment interaction of 46 maritime pine (Pinus pinaster Ait.) provenances tested at five sites in central Spain. Statistical relationship of the interactions of survival, volume, and polycyclism with several climatic features from the places of origin and the trial sites were analyzed. Factorial regression models and (or) biadditive or multiplicative models were used. Simple factorial regression models were adequate to explain the interaction of the two yield-related variates. Precipitation at places of seed origin and altitude of trial locations as covariates were sufficient to explain the interaction of survival. Altitude of the site of origin and the estimate of the location main effect were sufficient to explain the interaction of wood volume. No simple factorial regression model could be found for polycyclism, a trait related to the form of the tree and wood quality. The interaction was complex enough to require a biadditive model with two terms. The agreement between the estimated value for each trait and their rank according to the means at each location is good enough to allow the selection of provenances based on these models. Breeding for specific adaptation should bring substantial genetic gains.
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Canadian Science Publishing
1997
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Online Access: | http://hdl.handle.net/20.500.12792/4841 http://hdl.handle.net/10261/292505 |
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dig-inia-es-10261-2925052023-02-20T07:29:39Z Performance of Pinus pinaster provenances in Spain Interpretation of the genotype by environment interaction Alía Miranda, Ricardo Moro, J. Denis, J. B. The objective of this study was the interpretation of the genotype-environment interaction of 46 maritime pine (Pinus pinaster Ait.) provenances tested at five sites in central Spain. Statistical relationship of the interactions of survival, volume, and polycyclism with several climatic features from the places of origin and the trial sites were analyzed. Factorial regression models and (or) biadditive or multiplicative models were used. Simple factorial regression models were adequate to explain the interaction of the two yield-related variates. Precipitation at places of seed origin and altitude of trial locations as covariates were sufficient to explain the interaction of survival. Altitude of the site of origin and the estimate of the location main effect were sufficient to explain the interaction of wood volume. No simple factorial regression model could be found for polycyclism, a trait related to the form of the tree and wood quality. The interaction was complex enough to require a biadditive model with two terms. The agreement between the estimated value for each trait and their rank according to the means at each location is good enough to allow the selection of provenances based on these models. Breeding for specific adaptation should bring substantial genetic gains. 2023-02-20T07:29:39Z 2023-02-20T07:29:39Z 1997 artículo Canadian Journal of Forest Research 27(10): 1548-1559 (1997) 0045-5067 http://hdl.handle.net/20.500.12792/4841 http://hdl.handle.net/10261/292505 10.1139/X97-122 1208-6037 en none Canadian Science Publishing |
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The objective of this study was the interpretation of the genotype-environment interaction of 46 maritime pine (Pinus pinaster Ait.) provenances tested at five sites in central Spain. Statistical relationship of the interactions of survival, volume, and polycyclism with several climatic features from the places of origin and the trial sites were analyzed. Factorial regression models and (or) biadditive or multiplicative models were used. Simple factorial regression models were adequate to explain the interaction of the two yield-related variates. Precipitation at places of seed origin and altitude of trial locations as covariates were sufficient to explain the interaction of survival. Altitude of the site of origin and the estimate of the location main effect were sufficient to explain the interaction of wood volume. No simple factorial regression model could be found for polycyclism, a trait related to the form of the tree and wood quality. The interaction was complex enough to require a biadditive model with two terms. The agreement between the estimated value for each trait and their rank according to the means at each location is good enough to allow the selection of provenances based on these models. Breeding for specific adaptation should bring substantial genetic gains. |
format |
artículo |
author |
Alía Miranda, Ricardo Moro, J. Denis, J. B. |
spellingShingle |
Alía Miranda, Ricardo Moro, J. Denis, J. B. Performance of Pinus pinaster provenances in Spain Interpretation of the genotype by environment interaction |
author_facet |
Alía Miranda, Ricardo Moro, J. Denis, J. B. |
author_sort |
Alía Miranda, Ricardo |
title |
Performance of Pinus pinaster provenances in Spain Interpretation of the genotype by environment interaction |
title_short |
Performance of Pinus pinaster provenances in Spain Interpretation of the genotype by environment interaction |
title_full |
Performance of Pinus pinaster provenances in Spain Interpretation of the genotype by environment interaction |
title_fullStr |
Performance of Pinus pinaster provenances in Spain Interpretation of the genotype by environment interaction |
title_full_unstemmed |
Performance of Pinus pinaster provenances in Spain Interpretation of the genotype by environment interaction |
title_sort |
performance of pinus pinaster provenances in spain interpretation of the genotype by environment interaction |
publisher |
Canadian Science Publishing |
publishDate |
1997 |
url |
http://hdl.handle.net/20.500.12792/4841 http://hdl.handle.net/10261/292505 |
work_keys_str_mv |
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1767603354297434112 |