Genetic selection Pinus greggii progeny to the establishment of seed orchards
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Pesquisa Florestal Brasileira (Online) |
Texto Completo: | https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/94 |
Resumo: | The main deterrent to the adoption of new species for operational plantations is the availability of genetically improved seeds in sufficient amount to supply the market. Therefore, this study was carried out with the objective to estimate genetic parameters for individual selection as a basis to transform the field trial into a seedling seed orchard. The trial contained forty seven half-sib families from five Mexican provenances, including northern and central Mexico sources. These were planted at Ponta Grossa, Paraná State, Brazil, in arandomized complete block design with nine replications of five-tree linear plots in a 3 m x 3 m spacing. Height, dbh (diameter at breast height) and stem form were assessed in thirteen-year old tree. Variance components were estimated by using SELEGEN-REML/BLUP software. Other procedures included prediction of breeding values and deviance analyses. The significant genetic variation among provenances as well as among and within families in all traits confirmed their high value. The southern Mexico sources showed the highest productivity. The expected progress in improvement through just one cycle of selection was estimated in 21.6 % in wood volume.doi: 10.4336/2010.pfb.30.62.107 |
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Genetic selection Pinus greggii progeny to the establishment of seed orchardsSeleção genética de progênies de Pinus greggii para formação de pomares de sementesBreedingheritabilityexpected progress.Melhoramento genéticoherdabilidadeprogresso esperado.The main deterrent to the adoption of new species for operational plantations is the availability of genetically improved seeds in sufficient amount to supply the market. Therefore, this study was carried out with the objective to estimate genetic parameters for individual selection as a basis to transform the field trial into a seedling seed orchard. The trial contained forty seven half-sib families from five Mexican provenances, including northern and central Mexico sources. These were planted at Ponta Grossa, Paraná State, Brazil, in arandomized complete block design with nine replications of five-tree linear plots in a 3 m x 3 m spacing. Height, dbh (diameter at breast height) and stem form were assessed in thirteen-year old tree. Variance components were estimated by using SELEGEN-REML/BLUP software. Other procedures included prediction of breeding values and deviance analyses. The significant genetic variation among provenances as well as among and within families in all traits confirmed their high value. The southern Mexico sources showed the highest productivity. The expected progress in improvement through just one cycle of selection was estimated in 21.6 % in wood volume.doi: 10.4336/2010.pfb.30.62.107 Um dos principais impedimentos para a adoção de novas espécies para as plantações comerciais é aescassez de sementes geneticamente melhoradas, em quantidade suficiente para abastecer o mercado. Portanto,o objetivo deste estudo foi estimar parâmetros genéticos que possibilitem a realização de seleção individual emum teste combinado de procedências e progênies de P. greggii como base para transformar a área num pomarde sementes por mudas. No presente trabalho, foram avaliadas cinco procedências e quarenta e sete progêniesde P. greggii da região norte e central do México. O experimento foi instalado no município de Ponta Grossa,Paraná, Brasil, no delineamento de blocos casualizados com nove repetições e cinco plantas por parcela. Aos 13anos após o plantio, avaliou-se o DAP (diâmetro do tronco a 1,3 m de altura), altura total e forma do fuste. Osparâmetros genéticos foram estimados utilizando o software SELEGEN-REML/BLUP. Constatou-se considerávelvariabilidade genética, fato este que indica boas possibilidades de ganho genético a partir da seleção de matrizessuperiores. As procedências da região sul apresentaram alto potencial de produtividade para plantios comerciaisna região de Ponta Grossa. O progresso esperado em crescimento, após um ciclo de seleção de matrizes paraformação de pomar de sementes por mudas, foi de 21,6 % em volume de madeira.doi: 10.4336/2010.pfb.30.62.107 Embrapa Florestas2010-10-26info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/94Pesquisa Florestal Brasileira; v. 30 n. 62 (2010): abr./jun.; 107Pesquisa Florestal Brasileira; Vol. 30 No. 62 (2010): abr./jun.; 1071983-26051809-3647reponame:Pesquisa Florestal Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/94/112Aguiar, Ananda Virgínia deSousa, Valderês Aparecida deShimizu, Jarbas Yukioinfo:eu-repo/semantics/openAccess2017-04-28T13:14:16Zoai:pfb.cnpf.embrapa.br/pfb:article/94Revistahttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/PUBhttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/oaipfb@embrapa.br || revista.pfb@gmail.com || patricia.mattos@embrapa.br1983-26051809-3647opendoar:2017-04-28T13:14:16Pesquisa Florestal Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
Genetic selection Pinus greggii progeny to the establishment of seed orchards Seleção genética de progênies de Pinus greggii para formação de pomares de sementes |
title |
Genetic selection Pinus greggii progeny to the establishment of seed orchards |
spellingShingle |
Genetic selection Pinus greggii progeny to the establishment of seed orchards Aguiar, Ananda Virgínia de Breeding heritability expected progress. Melhoramento genético herdabilidade progresso esperado. |
title_short |
Genetic selection Pinus greggii progeny to the establishment of seed orchards |
title_full |
Genetic selection Pinus greggii progeny to the establishment of seed orchards |
title_fullStr |
Genetic selection Pinus greggii progeny to the establishment of seed orchards |
title_full_unstemmed |
Genetic selection Pinus greggii progeny to the establishment of seed orchards |
title_sort |
Genetic selection Pinus greggii progeny to the establishment of seed orchards |
author |
Aguiar, Ananda Virgínia de |
author_facet |
Aguiar, Ananda Virgínia de Sousa, Valderês Aparecida de Shimizu, Jarbas Yukio |
author_role |
author |
author2 |
Sousa, Valderês Aparecida de Shimizu, Jarbas Yukio |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Aguiar, Ananda Virgínia de Sousa, Valderês Aparecida de Shimizu, Jarbas Yukio |
dc.subject.por.fl_str_mv |
Breeding heritability expected progress. Melhoramento genético herdabilidade progresso esperado. |
topic |
Breeding heritability expected progress. Melhoramento genético herdabilidade progresso esperado. |
description |
The main deterrent to the adoption of new species for operational plantations is the availability of genetically improved seeds in sufficient amount to supply the market. Therefore, this study was carried out with the objective to estimate genetic parameters for individual selection as a basis to transform the field trial into a seedling seed orchard. The trial contained forty seven half-sib families from five Mexican provenances, including northern and central Mexico sources. These were planted at Ponta Grossa, Paraná State, Brazil, in arandomized complete block design with nine replications of five-tree linear plots in a 3 m x 3 m spacing. Height, dbh (diameter at breast height) and stem form were assessed in thirteen-year old tree. Variance components were estimated by using SELEGEN-REML/BLUP software. Other procedures included prediction of breeding values and deviance analyses. The significant genetic variation among provenances as well as among and within families in all traits confirmed their high value. The southern Mexico sources showed the highest productivity. The expected progress in improvement through just one cycle of selection was estimated in 21.6 % in wood volume.doi: 10.4336/2010.pfb.30.62.107 |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-10-26 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/94 |
url |
https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/94 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/94/112 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Embrapa Florestas |
publisher.none.fl_str_mv |
Embrapa Florestas |
dc.source.none.fl_str_mv |
Pesquisa Florestal Brasileira; v. 30 n. 62 (2010): abr./jun.; 107 Pesquisa Florestal Brasileira; Vol. 30 No. 62 (2010): abr./jun.; 107 1983-2605 1809-3647 reponame:Pesquisa Florestal Brasileira (Online) instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA |
instname_str |
Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
instacron_str |
EMBRAPA |
institution |
EMBRAPA |
reponame_str |
Pesquisa Florestal Brasileira (Online) |
collection |
Pesquisa Florestal Brasileira (Online) |
repository.name.fl_str_mv |
Pesquisa Florestal Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
repository.mail.fl_str_mv |
pfb@embrapa.br || revista.pfb@gmail.com || patricia.mattos@embrapa.br |
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1783370931950845952 |