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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
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Fecha actual : |
14/01/2022 |
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Actualizado : |
14/01/2022 |
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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.; RASEIRA, M. DO C. B.; UENO, B. |
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Afiliación : |
MAXIMILIANO ANTONIO DINI VIÑOLY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay // Universidade Federal de Pelotas, Faculdade de Agronomia Eliseu Maciel, Programa de Pós-Graduação em Agronomia, Pelotas, RS, Brazil.; MARIA DO CARMO BASSOLS RASEIRA, Embrapa Clima Temperado, Pelotas, Rio Grande do Sul, Brazil.; BERNARDO UENO, Embrapa Clima Temperado, Pelotas, Rio Grande do Sul, Brazil. |
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Título : |
Blossom blight resistance in peach: heritability and segregation in progenies from reciprocal crosses. |
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Fecha de publicación : |
2021 |
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Fuente / Imprenta : |
Revista Ceres (Viçosa) Nov. Dec. 2021, volume 68, número 6, pages 555-563. OPEN ACCESS. doi: https://doi.org/10.1590/0034-737X202168060007 |
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DOI : |
10.1590/0034-737X202168060007 |
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Idioma : |
Inglés |
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Notas : |
Article history: Submitted on September 23th, 2020 // Accepted on March 14th, 2021 // Published November 2021. |
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Contenido : |
Blossom blight and brown rot caused by Monilinia fructicola is the most important peach disease in Brazil. Genetic resistance is a control strategy that is gaining importance in breeding programs worldwide. This study aimed to identify genotypes with higher levels of blossom blight resistance to estimate the heritability of this character; study the frequency distribution in populations; and test the possibility of maternal effect. Blossom blight susceptibility was tested in reciprocal hybridizations seedlings, as well as their parents. The detached flower technique was used in a randomized complete block design, considering each genotype as a treatment. Flower inoculation was made by spraying a M. fructicola suspension and evaluations were carried out after 72 and 120 hours using a scale of five severity levels.
The studied populations presented low phenotypic variability regarding the flower resistance/susceptibility to M. fructicola, being most of them susceptible or very susceptible. Among the tested genotypes, the cultivars Maciel and Cerrito showed less blossom blight susceptibility, transmitting this character to their progenies. Heritability estimates of the blossom blight resistance were medium to low. The low heritability and its distribution in the progenies suggest that the character has additive inheritance, without detecting deviations associated with maternal effects. |
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Palabras claves : |
GENETIC RESISTANCE; Monilinia fructicola (Wint.) Honey; Prunus persica (L.) Batsch. |
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Asunto categoría : |
H20 Enfermedades de las plantas |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/16183/1/Revista-Ceres-2021-Dini.pdf
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Marc : |
LEADER 02258naa a2200205 a 4500
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024 7 $a10.1590/0034-737X202168060007$2DOI
100 1 $aDINI, M.
245 $aBlossom blight resistance in peach$bheritability and segregation in progenies from reciprocal crosses.$h[electronic resource]
260 $c2021
500 $aArticle history: Submitted on September 23th, 2020 // Accepted on March 14th, 2021 // Published November 2021.
520 $aBlossom blight and brown rot caused by Monilinia fructicola is the most important peach disease in Brazil. Genetic resistance is a control strategy that is gaining importance in breeding programs worldwide. This study aimed to identify genotypes with higher levels of blossom blight resistance to estimate the heritability of this character; study the frequency distribution in populations; and test the possibility of maternal effect. Blossom blight susceptibility was tested in reciprocal hybridizations seedlings, as well as their parents. The detached flower technique was used in a randomized complete block design, considering each genotype as a treatment. Flower inoculation was made by spraying a M. fructicola suspension and evaluations were carried out after 72 and 120 hours using a scale of five severity levels. The studied populations presented low phenotypic variability regarding the flower resistance/susceptibility to M. fructicola, being most of them susceptible or very susceptible. Among the tested genotypes, the cultivars Maciel and Cerrito showed less blossom blight susceptibility, transmitting this character to their progenies. Heritability estimates of the blossom blight resistance were medium to low. The low heritability and its distribution in the progenies suggest that the character has additive inheritance, without detecting deviations associated with maternal effects.
653 $aGENETIC RESISTANCE
653 $aMonilinia fructicola (Wint.) Honey
653 $aPrunus persica (L.) Batsch
700 1 $aRASEIRA, M. DO C. B.
700 1 $aUENO, B.
773 $tRevista Ceres (Viçosa) Nov. Dec. 2021, volume 68, número 6, pages 555-563. OPEN ACCESS. doi: https://doi.org/10.1590/0034-737X202168060007
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INIA Treinta y Tres (TT) |
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