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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
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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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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Registro original : |
INIA Las Brujas (LB) |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela; INIA Las Brujas. |
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Fecha actual : |
21/02/2014 |
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Actualizado : |
22/02/2014 |
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Autor : |
Carrau, F. |
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Afiliación : |
INIA Salto Grande |
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Título : |
Avances en evaluación de cultivares cítricos: mandarinas tempranas |
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Fecha de publicación : |
2005 |
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Fuente / Imprenta : |
Salto (Uruguay): INIA, 2005. |
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Páginas : |
12 p. |
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Serie : |
(INIA Serie Actividades de Difusión ; 400) |
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Idioma : |
Español |
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Thesagro : |
CITRUS; CLEMENTINA; FITOMEJORAMIENTO; MANDARINA; MEJORA GENETICA; SATSUMA; VARIEDADES. |
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Asunto categoría : |
-- |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/425/1/111219220807110454.pdf
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Marc : |
LEADER 00552nam a2200205 a 4500
001 1003015
005 2014-02-22
008 2005 bl uuuu u00u1 u #d
100 1 $aCARRAU, F.
245 $aAvances en evaluación de cultivares cítricos$bmandarinas tempranas
260 $aSalto (Uruguay): INIA$c2005
300 $a12 p.
490 $a(INIA Serie Actividades de Difusión ; 400)
650 $aCITRUS
650 $aCLEMENTINA
650 $aFITOMEJORAMIENTO
650 $aMANDARINA
650 $aMEJORA GENETICA
650 $aSATSUMA
650 $aVARIEDADES
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