Energy-cane: resistant to major sugarcane diseases?

ABSTRACT This study's objectives were to compare the occurrence of brown rust and smut in conventional and energy cane families and clones in field conditions and to understand how the new hybridizations could contribute to increasing the allele frequency of resistance against the main crop dis...

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Autores principales:	F. Junior,Antônio R., Azeredo,Amaro A. C. de, Romano,Tales, Brasileiro,Bruno P., Bespalhok Filho,João C., Ruaro,Lucimeris, Daros,Edelclaiton, Oliveira,Ricardo A. de
Lenguaje:	English
Publicado:	Universidad de Tarapacá. Facultad de Ciencias Agronómicas 2020
Materias:	Saccharum spp Puccinia melanocephala Sporisorium scitamineum biomass plant breeding
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292020000400017
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spelling	oai:scielo:S0718-342920200004000172021-05-16Energy-cane: resistant to major sugarcane diseases?F. Junior,Antônio R.Azeredo,Amaro A. C. deRomano,TalesBrasileiro,Bruno P.Bespalhok Filho,João C.Ruaro,LucimerisDaros,EdelclaitonOliveira,Ricardo A. de Saccharum spp Puccinia melanocephala Sporisorium scitamineum biomass plant breeding ABSTRACT This study's objectives were to compare the occurrence of brown rust and smut in conventional and energy cane families and clones in field conditions and to understand how the new hybridizations could contribute to increasing the allele frequency of resistance against the main crop diseases in breeding populations. Disease occurrence was evaluated in two selection stages. Of the 2.400 clones constituting the material for selection in the first stage, 88 clones (« 4% of the total) were selected for the second stage. Considering the overall performance of the clones without symptoms of either disease in the evaluated families that would be possibly selected in the second stage, the percentage was at least 28% lower in the families selected for high biomass (37.33%) than of the selected conventional (57.14%) and intermediate biomass (66.67%) families. In the intermediate biomass and high biomass sugarcane families, brown rust and smut rates were higher in the first stage. In the second stage, brown rust incidence was higher in high biomass families. However, at the end of both selection phases, intermediate biomass and high biomass sugarcane clones without simultaneous brown rust and smut symptoms could be selected.info:eu-repo/semantics/openAccessUniversidad de Tarapacá. Facultad de Ciencias AgronómicasIdesia (Arica) v.38 n.4 20202020-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292020000400017en10.4067/S0718-34292020000400017
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Saccharum spp Puccinia melanocephala Sporisorium scitamineum biomass plant breeding
spellingShingle	Saccharum spp Puccinia melanocephala Sporisorium scitamineum biomass plant breeding F. Junior,Antônio R. Azeredo,Amaro A. C. de Romano,Tales Brasileiro,Bruno P. Bespalhok Filho,João C. Ruaro,Lucimeris Daros,Edelclaiton Oliveira,Ricardo A. de Energy-cane: resistant to major sugarcane diseases?
description	ABSTRACT This study's objectives were to compare the occurrence of brown rust and smut in conventional and energy cane families and clones in field conditions and to understand how the new hybridizations could contribute to increasing the allele frequency of resistance against the main crop diseases in breeding populations. Disease occurrence was evaluated in two selection stages. Of the 2.400 clones constituting the material for selection in the first stage, 88 clones (« 4% of the total) were selected for the second stage. Considering the overall performance of the clones without symptoms of either disease in the evaluated families that would be possibly selected in the second stage, the percentage was at least 28% lower in the families selected for high biomass (37.33%) than of the selected conventional (57.14%) and intermediate biomass (66.67%) families. In the intermediate biomass and high biomass sugarcane families, brown rust and smut rates were higher in the first stage. In the second stage, brown rust incidence was higher in high biomass families. However, at the end of both selection phases, intermediate biomass and high biomass sugarcane clones without simultaneous brown rust and smut symptoms could be selected.
author	F. Junior,Antônio R. Azeredo,Amaro A. C. de Romano,Tales Brasileiro,Bruno P. Bespalhok Filho,João C. Ruaro,Lucimeris Daros,Edelclaiton Oliveira,Ricardo A. de
author_facet	F. Junior,Antônio R. Azeredo,Amaro A. C. de Romano,Tales Brasileiro,Bruno P. Bespalhok Filho,João C. Ruaro,Lucimeris Daros,Edelclaiton Oliveira,Ricardo A. de
author_sort	F. Junior,Antônio R.
title	Energy-cane: resistant to major sugarcane diseases?
title_short	Energy-cane: resistant to major sugarcane diseases?
title_full	Energy-cane: resistant to major sugarcane diseases?
title_fullStr	Energy-cane: resistant to major sugarcane diseases?
title_full_unstemmed	Energy-cane: resistant to major sugarcane diseases?
title_sort	energy-cane: resistant to major sugarcane diseases?
publisher	Universidad de Tarapacá. Facultad de Ciencias Agronómicas
publishDate	2020
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292020000400017
work_keys_str_mv	AT fjuniorantonior energycaneresistanttomajorsugarcanediseases AT azeredoamaroacde energycaneresistanttomajorsugarcanediseases AT romanotales energycaneresistanttomajorsugarcanediseases AT brasileirobrunop energycaneresistanttomajorsugarcanediseases AT bespalhokfilhojoaoc energycaneresistanttomajorsugarcanediseases AT ruarolucimeris energycaneresistanttomajorsugarcanediseases AT darosedelclaiton energycaneresistanttomajorsugarcanediseases AT oliveiraricardoade energycaneresistanttomajorsugarcanediseases
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Energy-cane: resistant to major sugarcane diseases?

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