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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
02/02/2022 |
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Actualizado : |
02/02/2022 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
MILECH, C.G.; DINI, M.; FRANZONI, R.C.; RASEIRA, M.C.B. |
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Afiliación : |
CHAIANE GOVEA MILECH, Universidade Federal de Pelotas, Programa de Pós-graduação em Agronomia (Fruticultura de Clima Temperado), Pelotas, Rio Grande do Sul, Brazil; MAXIMILIANO ANTONIO DINI VIÑOLY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; RODRIGO CEZAR FRANZON, Embrapa Clima Temperado, Pelotas, Rio Grande do Sul, Brazil; MARIA DO CARMO BASSOLS RASEIRA, Embrapa Clima Temperado, Pelotas, Rio Grande do Sul, Brazil. |
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Título : |
Chilling requirement of four peach cultivars estimated by changes in flower bud weights. * |
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Fecha de publicación : |
2022 |
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Fuente / Imprenta : |
Rev. Ceres, 2022, , v.69, n.1, p.22-30. OPEN ACCESS. https://doi.org/10.1590/0034-737X202269010004 |
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ISSN : |
2177-3491 |
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DOI : |
10.1590/0034-737X202269010004 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 15 Oct 2020; Accepted 06 June 2021; Published 14 Jan 2022; Date of issue Jan-Feb 2022.
*This work is part of the first author?s doctoral thesis.
Corresponding author:Maria do Carmo Bassols Raseira, mailto: maria.bassols@embrapa.br |
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Contenido : |
ABSTRACT.- The adaptation of temperate fruit crops is a challenge being increased by the global warming. Chilling requirement is a key factor for adaptation. The objective of this study was to estimate the chilling requirement of peach cultivars BRS Bonão, Esmeralda, Granada and Eragil, using the Tabuenca test. Chilling accumulation was computed using four different chilling hour (? 7.2 ºC and ? 11 ºC) models; and chill units using the Low Chill model and the Taiwan model. The fresh bud weight and bud water contents were also evaluated. The Tabuenca test (based on differences in bud´s dry weight) showed a fairly good efficiency for estimating the end of dormancy in peach. However, under mild winter conditions, it is better to use fresh bud weights. Either one of three chilling accumulation computation models (temperature ? 7.2 °C, ? 11°C, or Taiwan model) is suitable to classify comparatively different cultivars, but none is accurate enough to conclude on the adaptation of a given cultivar to a specific site. Using hours of temperatures ? 11 ºC: ?BRS Bonão? needed around 180 hours for dormancy release; ?Esmeralda? around 250 hours; ?Granada? between 300 and 400 hours, and ?Eragil? more than 500 hours. |
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Palabras claves : |
Dormancy; Low chill cultivars; Mild winter; Prunus persica (L.) Batsch;; Tabuenca test. |
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Asunto categoría : |
F01 Cultivo |
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URL : |
https://www.scielo.br/j/rceres/a/3zKkCKRMZrjwRC6hhMxRpvn/?format=pdf&lang=en
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Marc : |
LEADER 02262naa a2200253 a 4500
001 1062731
005 2022-02-02
008 2022 bl uuuu u00u1 u #d
022 $a2177-3491
024 7 $a10.1590/0034-737X202269010004$2DOI
100 1 $aMILECH, C.G.
245 $aChilling requirement of four peach cultivars estimated by changes in flower bud weights. *$h[electronic resource]
260 $c2022
500 $aArticle history: Received 15 Oct 2020; Accepted 06 June 2021; Published 14 Jan 2022; Date of issue Jan-Feb 2022. *This work is part of the first author?s doctoral thesis. Corresponding author:Maria do Carmo Bassols Raseira, mailto: maria.bassols@embrapa.br
520 $aABSTRACT.- The adaptation of temperate fruit crops is a challenge being increased by the global warming. Chilling requirement is a key factor for adaptation. The objective of this study was to estimate the chilling requirement of peach cultivars BRS Bonão, Esmeralda, Granada and Eragil, using the Tabuenca test. Chilling accumulation was computed using four different chilling hour (? 7.2 ºC and ? 11 ºC) models; and chill units using the Low Chill model and the Taiwan model. The fresh bud weight and bud water contents were also evaluated. The Tabuenca test (based on differences in bud´s dry weight) showed a fairly good efficiency for estimating the end of dormancy in peach. However, under mild winter conditions, it is better to use fresh bud weights. Either one of three chilling accumulation computation models (temperature ? 7.2 °C, ? 11°C, or Taiwan model) is suitable to classify comparatively different cultivars, but none is accurate enough to conclude on the adaptation of a given cultivar to a specific site. Using hours of temperatures ? 11 ºC: ?BRS Bonão? needed around 180 hours for dormancy release; ?Esmeralda? around 250 hours; ?Granada? between 300 and 400 hours, and ?Eragil? more than 500 hours.
653 $aDormancy
653 $aLow chill cultivars
653 $aMild winter
653 $aPrunus persica (L.) Batsch;
653 $aTabuenca test
700 1 $aDINI, M.
700 1 $aFRANZONI, R.C.
700 1 $aRASEIRA, M.C.B.
773 $tRev. Ceres, 2022,$gv.69, n.1, p.22-30. OPEN ACCESS. https://doi.org/10.1590/0034-737X202269010004
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