Genetic parameters and selection of sugarcane for borer resistance in the advanced selection stage.
This study aimed to investigate genetic parameters and selection strategies for sugarcane resistance to borer and determine the effects of selection for borer resistance on yield traits. The infestation index by borer (IIB) and yield traits were assessed over 3 years in 35 sugarcane clones planted in four locations in southeastern Brazil. There was no genotype × environment (year or location) interaction for borer resistance. Consequently, selection may be performed at only one location and year or by the mean of clones in several locations and/or years. The borer population affected the genotypic variance for borer resistance but when genotypic variance was significant, heritability was elevated and suitable genetic gain was achieved. Selection for borer resistance reduced the genetic gains for tons of cane per hectare, theoretical recoverable sugar, and tons of sugar per hectare; however, satisfactory selection gains for both borer resistance and yield were achieved using selection index.
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2021-01-27
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Subjects: | Seleção Genótipa, Cana de Açúcar, Broca, Saccharum, Genotype-environment interaction, Sugarcane, |
Online Access: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/1129567 http://dx.doi.org/10.1590/1984-70332020v20n1a13 |
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dig-alice-doc-11295672021-01-28T09:04:16Z Genetic parameters and selection of sugarcane for borer resistance in the advanced selection stage. TOMAZ, A. C. GONÇALVES, M. T. V. RESENDE, M. D. V. de BRASILEIRO, B. P. PETERNELLI, L. A. BARBOSA, M. H. P. ADRIANO CIRINO TOMAZ, UNIVERSIDADE FEDERAL DE MATO GROSSO; MATEUS TELES VITAL GONÇALVES, UNIVERSIDADE FEDERAL DE VIÇOSA; MARCOS DEON VILELA DE RESENDE, CNPCa; BRUNO PORTELA BRASILEIRO, UNIVERSIDADE FEDERAL DO PARANÁ; LUIZ ALEXANDRE PETERNELLI, UNIVERSIDADE FEDERAL DE VIÇOSA; MÁRCIO HENRIQUE PEREIRA BARBOSA, UNIVERSIDADE FEDERAL DE VIÇOSA. Seleção Genótipa Cana de Açúcar Broca Saccharum Genotype-environment interaction Sugarcane This study aimed to investigate genetic parameters and selection strategies for sugarcane resistance to borer and determine the effects of selection for borer resistance on yield traits. The infestation index by borer (IIB) and yield traits were assessed over 3 years in 35 sugarcane clones planted in four locations in southeastern Brazil. There was no genotype × environment (year or location) interaction for borer resistance. Consequently, selection may be performed at only one location and year or by the mean of clones in several locations and/or years. The borer population affected the genotypic variance for borer resistance but when genotypic variance was significant, heritability was elevated and suitable genetic gain was achieved. Selection for borer resistance reduced the genetic gains for tons of cane per hectare, theoretical recoverable sugar, and tons of sugar per hectare; however, satisfactory selection gains for both borer resistance and yield were achieved using selection index. 2021-01-28T09:04:08Z 2021-01-28T09:04:08Z 2021-01-27 2020 Artigo de periódico Crop Breeding and Applied Biotechnology, v. 20, n. 1, e290620113, 2020. http://www.alice.cnptia.embrapa.br/alice/handle/doc/1129567 http://dx.doi.org/10.1590/1984-70332020v20n1a13 Ingles en openAccess |
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Seleção Genótipa Cana de Açúcar Broca Saccharum Genotype-environment interaction Sugarcane Seleção Genótipa Cana de Açúcar Broca Saccharum Genotype-environment interaction Sugarcane |
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Seleção Genótipa Cana de Açúcar Broca Saccharum Genotype-environment interaction Sugarcane Seleção Genótipa Cana de Açúcar Broca Saccharum Genotype-environment interaction Sugarcane TOMAZ, A. C. GONÇALVES, M. T. V. RESENDE, M. D. V. de BRASILEIRO, B. P. PETERNELLI, L. A. BARBOSA, M. H. P. Genetic parameters and selection of sugarcane for borer resistance in the advanced selection stage. |
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This study aimed to investigate genetic parameters and selection strategies for sugarcane resistance to borer and determine the effects of selection for borer resistance on yield traits. The infestation index by borer (IIB) and yield traits were assessed over 3 years in 35 sugarcane clones planted in four locations in southeastern Brazil. There was no genotype × environment (year or location) interaction for borer resistance. Consequently, selection may be performed at only one location and year or by the mean of clones in several locations and/or years. The borer population affected the genotypic variance for borer resistance but when genotypic variance was significant, heritability was elevated and suitable genetic gain was achieved. Selection for borer resistance reduced the genetic gains for tons of cane per hectare, theoretical recoverable sugar, and tons of sugar per hectare; however, satisfactory selection gains for both borer resistance and yield were achieved using selection index. |
author2 |
ADRIANO CIRINO TOMAZ, UNIVERSIDADE FEDERAL DE MATO GROSSO; MATEUS TELES VITAL GONÇALVES, UNIVERSIDADE FEDERAL DE VIÇOSA; MARCOS DEON VILELA DE RESENDE, CNPCa; BRUNO PORTELA BRASILEIRO, UNIVERSIDADE FEDERAL DO PARANÁ; LUIZ ALEXANDRE PETERNELLI, UNIVERSIDADE FEDERAL DE VIÇOSA; MÁRCIO HENRIQUE PEREIRA BARBOSA, UNIVERSIDADE FEDERAL DE VIÇOSA. |
author_facet |
ADRIANO CIRINO TOMAZ, UNIVERSIDADE FEDERAL DE MATO GROSSO; MATEUS TELES VITAL GONÇALVES, UNIVERSIDADE FEDERAL DE VIÇOSA; MARCOS DEON VILELA DE RESENDE, CNPCa; BRUNO PORTELA BRASILEIRO, UNIVERSIDADE FEDERAL DO PARANÁ; LUIZ ALEXANDRE PETERNELLI, UNIVERSIDADE FEDERAL DE VIÇOSA; MÁRCIO HENRIQUE PEREIRA BARBOSA, UNIVERSIDADE FEDERAL DE VIÇOSA. TOMAZ, A. C. GONÇALVES, M. T. V. RESENDE, M. D. V. de BRASILEIRO, B. P. PETERNELLI, L. A. BARBOSA, M. H. P. |
format |
Artigo de periódico |
topic_facet |
Seleção Genótipa Cana de Açúcar Broca Saccharum Genotype-environment interaction Sugarcane |
author |
TOMAZ, A. C. GONÇALVES, M. T. V. RESENDE, M. D. V. de BRASILEIRO, B. P. PETERNELLI, L. A. BARBOSA, M. H. P. |
author_sort |
TOMAZ, A. C. |
title |
Genetic parameters and selection of sugarcane for borer resistance in the advanced selection stage. |
title_short |
Genetic parameters and selection of sugarcane for borer resistance in the advanced selection stage. |
title_full |
Genetic parameters and selection of sugarcane for borer resistance in the advanced selection stage. |
title_fullStr |
Genetic parameters and selection of sugarcane for borer resistance in the advanced selection stage. |
title_full_unstemmed |
Genetic parameters and selection of sugarcane for borer resistance in the advanced selection stage. |
title_sort |
genetic parameters and selection of sugarcane for borer resistance in the advanced selection stage. |
publishDate |
2021-01-27 |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1129567 http://dx.doi.org/10.1590/1984-70332020v20n1a13 |
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