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 | Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela; INIA Las Brujas. |
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Fecha : |
21/10/2014 |
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Actualizado : |
23/10/2019 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
GERMAN, S.; KOLMER, J.A. |
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Afiliación : |
SILVIA ELISA GERMAN FAEDO, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
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Título : |
Leaf rust resistance in selected late maturity, common wheat cultivars from Uruguay. |
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Fecha de publicación : |
2014 |
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Fuente / Imprenta : |
Euphytica, 2014, v.195, no.1, p.57-67. |
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ISSN : |
0014-2336 |
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DOI : |
10.1007/s10681-013-0974-3 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received: 21 February 2013 / Accepted: 24 June 2013 / Published online: 18 July 2013. |
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Contenido : |
ABSTRACT.
Leaf rust (caused by Puccinia triticina) is one of the most important diseases of wheat in Uruguay, and breeding for resistance to this disease is a priority for the INIA wheat program. Knowledge of the effective resistance genes present in the germplasm is relevant when selecting for effective and more durable resistance. The leaf rust resistance present in six adapted wheat cultivars that are parents of many advanced lines was studied. Races of P. triticina with different virulence combinations were used to determine which seedling resistance genes might be present in the six cultivars and/or derived lines. Genetic analysis of seedling and adult plant resistance (APR) was conducted on BC1F2 and F3 generations from crosses of four cultivars with the susceptible cultivar Thatcher. The presence of APR genes Lr13 and Lr34 was confirmed with crosses of the four cultivars and Thatcher lines with these genes. A genetic marker associated with Lr34 was used to postulate the presence of this gene in all cultivars. The cultivars and resistance genes postulated to be present were: Estanzuela Calandria Lr3bg, Lr16 and Lr24; Estanzuela Federal Lr10; Estanzuela Halcón Lr10, Lr14a, and Lr16; INIA Tijereta and INIA Garza Lr16, Lr24 and Lr34; and INIA Torcaza Lr10 and Lr24. Only Lr16 and Lr34 remain effective to the predominant pathotypes. Additional ineffective seedling resistance that could not be identified was present in E. Federal, I. Tijereta and I. Torcaza. Unknown APR gene(s) could be present in E. Calandria and E. Federal.
© 2013 Springer Science+Business Media Dordrecht. MenosABSTRACT.
Leaf rust (caused by Puccinia triticina) is one of the most important diseases of wheat in Uruguay, and breeding for resistance to this disease is a priority for the INIA wheat program. Knowledge of the effective resistance genes present in the germplasm is relevant when selecting for effective and more durable resistance. The leaf rust resistance present in six adapted wheat cultivars that are parents of many advanced lines was studied. Races of P. triticina with different virulence combinations were used to determine which seedling resistance genes might be present in the six cultivars and/or derived lines. Genetic analysis of seedling and adult plant resistance (APR) was conducted on BC1F2 and F3 generations from crosses of four cultivars with the susceptible cultivar Thatcher. The presence of APR genes Lr13 and Lr34 was confirmed with crosses of the four cultivars and Thatcher lines with these genes. A genetic marker associated with Lr34 was used to postulate the presence of this gene in all cultivars. The cultivars and resistance genes postulated to be present were: Estanzuela Calandria Lr3bg, Lr16 and Lr24; Estanzuela Federal Lr10; Estanzuela Halcón Lr10, Lr14a, and Lr16; INIA Tijereta and INIA Garza Lr16, Lr24 and Lr34; and INIA Torcaza Lr10 and Lr24. Only Lr16 and Lr34 remain effective to the predominant pathotypes. Additional ineffective seedling resistance that could not be identified was present in E. Federal, I. Tijereta and I. Torcaza. Unknown APR gen... Presentar Todo |
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Palabras claves : |
GENES DE RESISTENCIA EN PLANTA ADULTA; GENES DE RESISTENCIA EN PLÁNTULAS; GENÉTICA DE LA RESISTENCIA; PUCCINIA TRITICINA; ROYA DE LA HOJA DEL TRIGO. |
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Thesagro : |
RESISTENCIA GENÉTICA; TRITICUM AESTIVUM. |
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Asunto categoría : |
F30 Genética vegetal y fitomejoramiento |
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Marc : |
LEADER 02490naa a2200253 a 4500
001 1051212
005 2019-10-23
008 2014 bl uuuu u00u1 u #d
022 $a0014-2336
024 7 $a10.1007/s10681-013-0974-3$2DOI
100 1 $aGERMAN, S.
245 $aLeaf rust resistance in selected late maturity, common wheat cultivars from Uruguay.$h[electronic resource]
260 $c2014
500 $aArticle history: Received: 21 February 2013 / Accepted: 24 June 2013 / Published online: 18 July 2013.
520 $aABSTRACT. Leaf rust (caused by Puccinia triticina) is one of the most important diseases of wheat in Uruguay, and breeding for resistance to this disease is a priority for the INIA wheat program. Knowledge of the effective resistance genes present in the germplasm is relevant when selecting for effective and more durable resistance. The leaf rust resistance present in six adapted wheat cultivars that are parents of many advanced lines was studied. Races of P. triticina with different virulence combinations were used to determine which seedling resistance genes might be present in the six cultivars and/or derived lines. Genetic analysis of seedling and adult plant resistance (APR) was conducted on BC1F2 and F3 generations from crosses of four cultivars with the susceptible cultivar Thatcher. The presence of APR genes Lr13 and Lr34 was confirmed with crosses of the four cultivars and Thatcher lines with these genes. A genetic marker associated with Lr34 was used to postulate the presence of this gene in all cultivars. The cultivars and resistance genes postulated to be present were: Estanzuela Calandria Lr3bg, Lr16 and Lr24; Estanzuela Federal Lr10; Estanzuela Halcón Lr10, Lr14a, and Lr16; INIA Tijereta and INIA Garza Lr16, Lr24 and Lr34; and INIA Torcaza Lr10 and Lr24. Only Lr16 and Lr34 remain effective to the predominant pathotypes. Additional ineffective seedling resistance that could not be identified was present in E. Federal, I. Tijereta and I. Torcaza. Unknown APR gene(s) could be present in E. Calandria and E. Federal. © 2013 Springer Science+Business Media Dordrecht.
650 $aRESISTENCIA GENÉTICA
650 $aTRITICUM AESTIVUM
653 $aGENES DE RESISTENCIA EN PLANTA ADULTA
653 $aGENES DE RESISTENCIA EN PLÁNTULAS
653 $aGENÉTICA DE LA RESISTENCIA
653 $aPUCCINIA TRITICINA
653 $aROYA DE LA HOJA DEL TRIGO
700 1 $aKOLMER, J.A.
773 $tEuphytica, 2014$gv.195, no.1, p.57-67.
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INIA Las Brujas (LB) |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha actual : |
25/03/2021 |
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Actualizado : |
25/03/2021 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
DINI, M.; SCARIOTTO, S.; RASEIRA, M.C.B.; UENO, B. |
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Afiliación : |
MAXIMILIANO ANTONIO DINI VIÑOLY, Programa de Po?s-Graduaça?o em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil; S. SCARIOTTO, Empresa Brasileira de Pesquisa Agropecua?ria (Embrapa), Embrapa Clima Temperado, Pelotas-RS, Brazil.; M.C.B. RASEIRA, Empresa Brasileira de Pesquisa Agropecua?ria (Embrapa), Embrapa Clima Temperado, Pelotas-RS, Brazil.; B. UENO, Empresa Brasileira de Pesquisa Agropecua?ria (Embrapa), Embrapa Clima Temperado, Pelotas-RS, Brazil. |
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Título : |
Heritability and segregation of resistance to brown rot in peach fruits. [Conferencie paper]. |
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Fecha de publicación : |
2021 |
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Fuente / Imprenta : |
Acta Horticulturae, February 2021, N°1304, p. 339-346. DOI: https://doi.org/10.17660/ActaHortic.2021.1304.47 |
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ISBN : |
978-94-62613-02-7 |
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ISSN : |
0567-7572 (print); 2406-6168 (electronic) |
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DOI : |
10.17660/ActaHortic.2021.1304.47 |
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Idioma : |
Inglés |
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Notas : |
Article history: Published 26 February 2021. Acta Horticulturae (ISHS) 1304: Proceedings of the IX International Peach Symposium, Bucharest, Romania.
Convener: F. Stanica. Editors: F. Stanica, T. DeJong.
Corresponding author: Maximiliano Dini - email: maxidini@hotmail.com |
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Contenido : |
ABSTRACT.
Brown rot caused by the fungus Monilinia fructicola is the most important disease in peach production areas of Brazil. The increased concern with the environment, consumers and workers' health, emphasizes control strategies other than fungicide applications. Among them genetic resistance is the most efficient. However, availability of resistant genotypes is still limited. Thus the main objective of this work was to seek sources of brown rot resistance, as well as to study the segregation, estimate the heritability and verify the possible existence of maternal effects. Heritability of brown rot resistance was investigated in peach fruits of several genotypes from the Embrapa peach breeding program. Sixteen progenies and 20 parents were evaluated. Disinfested fruits were wounded with a microsyringe and inoculated by deposition of a 10 ?L drop of a 2.5×104 spores mL?1 of M. fructicola. The fungus inoculum was obtained from a culture originated from peach mummies from four different sites. After inoculation, the fruits were incubated under controlled conditions for 72 h, before evaluation of lesion size and sporulation. High phenotypic variability and transgressive segregation were observed for brown rot resistance in fruits. Several genotypes showed similar resistance as 'Bolinha', the standard Brazilian cultivar for resistance. The heritability of brown rot resistance in fruits (diameter of the lesion and sporulation), was medium. Parental selection based on phenotype, enables a medium genetic advance for brown rot resistance. The selections Conserva 947 and Conserva 1600 were the parents with higher brown rot resistance (similar to 'Bolinha'), with the potential of passing this trait to their offspring.
@ International Society for Horticultural Science. MenosABSTRACT.
Brown rot caused by the fungus Monilinia fructicola is the most important disease in peach production areas of Brazil. The increased concern with the environment, consumers and workers' health, emphasizes control strategies other than fungicide applications. Among them genetic resistance is the most efficient. However, availability of resistant genotypes is still limited. Thus the main objective of this work was to seek sources of brown rot resistance, as well as to study the segregation, estimate the heritability and verify the possible existence of maternal effects. Heritability of brown rot resistance was investigated in peach fruits of several genotypes from the Embrapa peach breeding program. Sixteen progenies and 20 parents were evaluated. Disinfested fruits were wounded with a microsyringe and inoculated by deposition of a 10 ?L drop of a 2.5×104 spores mL?1 of M. fructicola. The fungus inoculum was obtained from a culture originated from peach mummies from four different sites. After inoculation, the fruits were incubated under controlled conditions for 72 h, before evaluation of lesion size and sporulation. High phenotypic variability and transgressive segregation were observed for brown rot resistance in fruits. Several genotypes showed similar resistance as 'Bolinha', the standard Brazilian cultivar for resistance. The heritability of brown rot resistance in fruits (diameter of the lesion and sporulation), was medium. Parental selection based on phenotyp... Presentar Todo |
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Palabras claves : |
Brazilian genotypes; Genetic resistance; Genetic variability; Monilinia fruticola. |
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Thesagro : |
PRUNUS PERSICA. |
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Asunto categoría : |
F30 Genética vegetal y fitomejoramiento |
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Marc : |
LEADER 02934naa a2200265 a 4500
001 1061865
005 2021-03-25
008 2021 bl uuuu u00u1 u #d
020 $a978-94-62613-02-7
022 $a0567-7572 (print); 2406-6168 (electronic)
024 7 $a10.17660/ActaHortic.2021.1304.47$2DOI
100 1 $aDINI, M.
245 $aHeritability and segregation of resistance to brown rot in peach fruits. [Conferencie paper].$h[electronic resource]
260 $c2021
500 $aArticle history: Published 26 February 2021. Acta Horticulturae (ISHS) 1304: Proceedings of the IX International Peach Symposium, Bucharest, Romania. Convener: F. Stanica. Editors: F. Stanica, T. DeJong. Corresponding author: Maximiliano Dini - email: maxidini@hotmail.com
520 $aABSTRACT. Brown rot caused by the fungus Monilinia fructicola is the most important disease in peach production areas of Brazil. The increased concern with the environment, consumers and workers' health, emphasizes control strategies other than fungicide applications. Among them genetic resistance is the most efficient. However, availability of resistant genotypes is still limited. Thus the main objective of this work was to seek sources of brown rot resistance, as well as to study the segregation, estimate the heritability and verify the possible existence of maternal effects. Heritability of brown rot resistance was investigated in peach fruits of several genotypes from the Embrapa peach breeding program. Sixteen progenies and 20 parents were evaluated. Disinfested fruits were wounded with a microsyringe and inoculated by deposition of a 10 ?L drop of a 2.5×104 spores mL?1 of M. fructicola. The fungus inoculum was obtained from a culture originated from peach mummies from four different sites. After inoculation, the fruits were incubated under controlled conditions for 72 h, before evaluation of lesion size and sporulation. High phenotypic variability and transgressive segregation were observed for brown rot resistance in fruits. Several genotypes showed similar resistance as 'Bolinha', the standard Brazilian cultivar for resistance. The heritability of brown rot resistance in fruits (diameter of the lesion and sporulation), was medium. Parental selection based on phenotype, enables a medium genetic advance for brown rot resistance. The selections Conserva 947 and Conserva 1600 were the parents with higher brown rot resistance (similar to 'Bolinha'), with the potential of passing this trait to their offspring. @ International Society for Horticultural Science.
650 $aPRUNUS PERSICA
653 $aBrazilian genotypes
653 $aGenetic resistance
653 $aGenetic variability
653 $aMonilinia fruticola
700 1 $aSCARIOTTO, S.
700 1 $aRASEIRA, M.C.B.
700 1 $aUENO, B.
773 $tActa Horticulturae, February 2021, N°1304, p. 339-346. DOI: https://doi.org/10.17660/ActaHortic.2021.1304.47
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