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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 Las Brujas. |
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Fecha : |
08/11/2022 |
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Actualizado : |
09/06/2023 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
CARRA, B.; HERTER, F.G.; MORETTI FERREIRA PINTO, F.A.; FONTANELLA BRIGHENTI, A.; PEREIRA PASA, C.; MELLO-FARIAS, P.C.; DINI, M.; SOZO DE ABREU, E.; DA SILVEIRA PASA, M. |
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Afiliación : |
BRUNO CARRA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FLÁVIO GILBERTO HERTER, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, RS, Capão do Leão, CEP 96010-900, Brazil; FELIPE AUGUSTO MORETTI FERREIRA PINTO, Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina, Estação Experimental de São Joaquim, Santa Catarina, São Joaquim, CEP 88600-000, Brazil; ALBERTO FONTANELLA BRIGHENTI, Universidade Federal de Santa Catarina (UFSC), SC, Florianópolis, CEP 88040-900, Brazil; CARINA PEREIRA PASA, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, RS, Capão do Leão, CEP 96010-900, Brazil; PAULO CELSO MELLO-FARIAS, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, RS, Capão do Leão, CEP 96010-900, Brazil; MAXIMILIANO ANTONIO DINI VIÑOLY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; EVERTON SOZO DE ABREU, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, RS, Capão do Leão, CEP 96010-900, Brazil; MATEUS DA SILVEIRA PASA, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, RS, Capão do Leão, CEP 96010-900, Brazil. |
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Título : |
Return bloom and yield of 'Rocha' pear trees are improved by Ethephon and Paclobutrazol. |
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Fecha de publicación : |
2023 |
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Fuente / Imprenta : |
Journal of Plant Growth Regulation, 2023, Volume 42, Issue 6, pp. 3650-3661. doi: https://doi.org/10.1007/s00344-022-10827-7 |
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ISSN : |
0721-7595 (print); 1435-8107 (electronic). |
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DOI : |
10.1007/s00344-022-10827-7 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 13 May 2022; Accepted 21 September 2022; Published online 6 October 2022; Published Print June 2023. -- Correspondence author: Carra, B.; Instituto Nacional de Investigación Agropecuaria, INIA Las Brujas, Rincon del Colorado, Uruguay; email:bcarra@inia.org.uy -- Funding: Conselho Nacional de Desenvolvimento Científico e Tecnológico, 140499/2015-6, 443135/2014-2, CNPq. |
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Contenido : |
ABSTRACT.- Flower induction and differentiation are complex phenomenon not fully understood in pear trees. Paclobutrazol (Pbz), Ethephon (Eth), and naphthaleneacetic acid (NAA) exogenous applications could be potential tools to increase return bloom and yield, and to manage the alternate bearing in some pear cultivars. The objective of this research was to evaluate the effect of Eth, Pbz, and NAA on return bloom and yield of 'Rocha' pear trees in different climatic conditions of Southern Brazil. The experiments were performed during 2015/2016-2017/2018 growing seasons, in Sao Joaquim, Santa Catarina State, and during 2015/2016-2016/2017 growing seasons in Antonio Prado, Rio Grande do Sul State. The pear 'Rocha' were grafted on quince rootstock 'BA29' (experiment 1 and 3) and Pyrus calleryana (experiment 2). Treatments consisted of Eth, Pbz, NAA, and Eth + NAA sprayed at different concentrations and timings. Shoot length, pruning weight, fruit set, number of thinned fruit and total fruit per tree, yield, average fruit weight, flesh firmness, and soluble solids content were assessed. Shoot length decreased, whereas return bloom and yield components increased when using Eth, Pbz, and Eth + NAA in all experiments. However, the positive effect is only in the rate of 10 mg L-1 NAA in experiment 1. Fruit size was reduced in Eth concentrations above 300 mg L-1, as a direct effect of crop load. Our results show that Eth and Pbz increase return bloom and yield of 'Rocha' pear trees being a potential tool to improve flowering in warm winter Regions as Southern Brazil. © 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature. MenosABSTRACT.- Flower induction and differentiation are complex phenomenon not fully understood in pear trees. Paclobutrazol (Pbz), Ethephon (Eth), and naphthaleneacetic acid (NAA) exogenous applications could be potential tools to increase return bloom and yield, and to manage the alternate bearing in some pear cultivars. The objective of this research was to evaluate the effect of Eth, Pbz, and NAA on return bloom and yield of 'Rocha' pear trees in different climatic conditions of Southern Brazil. The experiments were performed during 2015/2016-2017/2018 growing seasons, in Sao Joaquim, Santa Catarina State, and during 2015/2016-2016/2017 growing seasons in Antonio Prado, Rio Grande do Sul State. The pear 'Rocha' were grafted on quince rootstock 'BA29' (experiment 1 and 3) and Pyrus calleryana (experiment 2). Treatments consisted of Eth, Pbz, NAA, and Eth + NAA sprayed at different concentrations and timings. Shoot length, pruning weight, fruit set, number of thinned fruit and total fruit per tree, yield, average fruit weight, flesh firmness, and soluble solids content were assessed. Shoot length decreased, whereas return bloom and yield components increased when using Eth, Pbz, and Eth + NAA in all experiments. However, the positive effect is only in the rate of 10 mg L-1 NAA in experiment 1. Fruit size was reduced in Eth concentrations above 300 mg L-1, as a direct effect of crop load. Our results show that Eth and Pbz increase return bloom and yield of 'Rocha' pear trees be... Presentar Todo |
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Palabras claves : |
Flower induction; Growth regulators; Naphthaleneacetic acid; SISTEMA VEGETAL INTENSIVO - INIA. |
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Thesagro : |
PYRUS COMMUNIS. |
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Asunto categoría : |
F30 Genética vegetal y fitomejoramiento |
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Marc : |
LEADER 03142naa a2200313 a 4500
001 1063712
005 2023-06-09
008 2023 bl uuuu u00u1 u #d
022 $a0721-7595 (print); 1435-8107 (electronic).
024 7 $a10.1007/s00344-022-10827-7$2DOI
100 1 $aCARRA, B.
245 $aReturn bloom and yield of 'Rocha' pear trees are improved by Ethephon and Paclobutrazol.$h[electronic resource]
260 $c2023
500 $aArticle history: Received 13 May 2022; Accepted 21 September 2022; Published online 6 October 2022; Published Print June 2023. -- Correspondence author: Carra, B.; Instituto Nacional de Investigación Agropecuaria, INIA Las Brujas, Rincon del Colorado, Uruguay; email:bcarra@inia.org.uy -- Funding: Conselho Nacional de Desenvolvimento Científico e Tecnológico, 140499/2015-6, 443135/2014-2, CNPq.
520 $aABSTRACT.- Flower induction and differentiation are complex phenomenon not fully understood in pear trees. Paclobutrazol (Pbz), Ethephon (Eth), and naphthaleneacetic acid (NAA) exogenous applications could be potential tools to increase return bloom and yield, and to manage the alternate bearing in some pear cultivars. The objective of this research was to evaluate the effect of Eth, Pbz, and NAA on return bloom and yield of 'Rocha' pear trees in different climatic conditions of Southern Brazil. The experiments were performed during 2015/2016-2017/2018 growing seasons, in Sao Joaquim, Santa Catarina State, and during 2015/2016-2016/2017 growing seasons in Antonio Prado, Rio Grande do Sul State. The pear 'Rocha' were grafted on quince rootstock 'BA29' (experiment 1 and 3) and Pyrus calleryana (experiment 2). Treatments consisted of Eth, Pbz, NAA, and Eth + NAA sprayed at different concentrations and timings. Shoot length, pruning weight, fruit set, number of thinned fruit and total fruit per tree, yield, average fruit weight, flesh firmness, and soluble solids content were assessed. Shoot length decreased, whereas return bloom and yield components increased when using Eth, Pbz, and Eth + NAA in all experiments. However, the positive effect is only in the rate of 10 mg L-1 NAA in experiment 1. Fruit size was reduced in Eth concentrations above 300 mg L-1, as a direct effect of crop load. Our results show that Eth and Pbz increase return bloom and yield of 'Rocha' pear trees being a potential tool to improve flowering in warm winter Regions as Southern Brazil. © 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
650 $aPYRUS COMMUNIS
653 $aFlower induction
653 $aGrowth regulators
653 $aNaphthaleneacetic acid
653 $aSISTEMA VEGETAL INTENSIVO - INIA
700 1 $aHERTER, F.G.
700 1 $aMORETTI FERREIRA PINTO, F.A.
700 1 $aFONTANELLA BRIGHENTI, A.
700 1 $aPEREIRA PASA, C.
700 1 $aMELLO-FARIAS, P.C.
700 1 $aDINI, M.
700 1 $aSOZO DE ABREU, E.
700 1 $aDA SILVEIRA PASA, M.
773 $tJournal of Plant Growth Regulation, 2023, Volume 42, Issue 6, pp. 3650-3661. doi: https://doi.org/10.1007/s00344-022-10827-7
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INIA Las Brujas (LB) |
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| Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha actual : |
15/09/2014 |
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Actualizado : |
05/11/2019 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
A - 2 |
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Autor : |
RIVAS-RIVERA, N.; EGUREN, G.; CARRASCO-LETELIER, L.; MUNKITTRICK, K.R. |
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Afiliación : |
LEONIDAS CARRASCO LETELIER, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
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Título : |
Screening of endocrine disruption activity in sediments from the Uruguay River. |
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Fecha de publicación : |
2014 |
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Fuente / Imprenta : |
Ecotoxicology,August 2014, Volume 23, Issue 6, p 1137?1142. |
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ISSN : |
1573-3017. |
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DOI : |
10.1007/s10646-014-1244-4 |
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Idioma : |
Inglés |
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Notas : |
Article history: Accepted: 16 April 2014 / Published online: 7 May 2014. |
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Contenido : |
Abstract:
Sediment constitutes an important sink of endocrine disruptor compounds; however, the potential of sediments to act as a source of endocrine disruptors should be more extensively investigated. The main objective of this study was to determine whether exposure of immature common carp to Uruguay River sediments undergo physiological and endocrine alterations. The lower Uruguay River watershed supports intensive agricultural and forest production, receives municipal sewage discharge and industrial effluent, and a new large pulp mill was constructed in 2006. A 30-day semi-static assay was performed using sediments from four sites along the Uruguay River and compared with an unexposed group in dechlorinated water as a negative control. We focused on two upstream and two downstream sites of a new elemental chlorine free pulp mill. The results showed that plasma vitellogenin levels increased in fish along the river and significant differences were found between the exposed and unexposed groups. Condition factor and gonadosomatic index were not different; however, a significant difference in hepatosomatic index was observed in fish exposed to sediment from an industrial site. A significant reduction in primary spermatocyte accumulation was observed in the exposed group compared with that in the control group, and some individuals exposed to sediments from industrial sites presented with testis?ova. Our results suggest that Uruguay River sediments act as an important source of estrogenic compounds that could be responsible for the alterations observed. Future studies are needed to identify the causal agents and determine exposure routes. MenosAbstract:
Sediment constitutes an important sink of endocrine disruptor compounds; however, the potential of sediments to act as a source of endocrine disruptors should be more extensively investigated. The main objective of this study was to determine whether exposure of immature common carp to Uruguay River sediments undergo physiological and endocrine alterations. The lower Uruguay River watershed supports intensive agricultural and forest production, receives municipal sewage discharge and industrial effluent, and a new large pulp mill was constructed in 2006. A 30-day semi-static assay was performed using sediments from four sites along the Uruguay River and compared with an unexposed group in dechlorinated water as a negative control. We focused on two upstream and two downstream sites of a new elemental chlorine free pulp mill. The results showed that plasma vitellogenin levels increased in fish along the river and significant differences were found between the exposed and unexposed groups. Condition factor and gonadosomatic index were not different; however, a significant difference in hepatosomatic index was observed in fish exposed to sediment from an industrial site. A significant reduction in primary spermatocyte accumulation was observed in the exposed group compared with that in the control group, and some individuals exposed to sediments from industrial sites presented with testis?ova. Our results suggest that Uruguay River sediments act as an important source... Presentar Todo |
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Palabras claves : |
CARPA (PEZ); COMMON CARP; CYPRINUS CARPIO; DISRUPCIÓN ENDÓCRINA; ENDOCRINE DISRUPTORS; LABORATORY-EXPOSURE; RÍO URUGUAY; SEDIMENT VITELLOGENIN; SEDIMENTOS FLUVIALES; VITELOGENINA. |
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Thesagro : |
CONTAMINACIÓN; URUGUAY. |
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Asunto categoría : |
T01 Polución |
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Marc : |
LEADER 02704naa a2200337 a 4500
001 1050235
005 2019-11-05
008 2014 bl uuuu u00u1 u #d
022 $a1573-3017.
024 7 $a10.1007/s10646-014-1244-4$2DOI
100 1 $aRIVAS-RIVERA, N.
245 $aScreening of endocrine disruption activity in sediments from the Uruguay River.$h[electronic resource]
260 $c2014
500 $aArticle history: Accepted: 16 April 2014 / Published online: 7 May 2014.
520 $aAbstract: Sediment constitutes an important sink of endocrine disruptor compounds; however, the potential of sediments to act as a source of endocrine disruptors should be more extensively investigated. The main objective of this study was to determine whether exposure of immature common carp to Uruguay River sediments undergo physiological and endocrine alterations. The lower Uruguay River watershed supports intensive agricultural and forest production, receives municipal sewage discharge and industrial effluent, and a new large pulp mill was constructed in 2006. A 30-day semi-static assay was performed using sediments from four sites along the Uruguay River and compared with an unexposed group in dechlorinated water as a negative control. We focused on two upstream and two downstream sites of a new elemental chlorine free pulp mill. The results showed that plasma vitellogenin levels increased in fish along the river and significant differences were found between the exposed and unexposed groups. Condition factor and gonadosomatic index were not different; however, a significant difference in hepatosomatic index was observed in fish exposed to sediment from an industrial site. A significant reduction in primary spermatocyte accumulation was observed in the exposed group compared with that in the control group, and some individuals exposed to sediments from industrial sites presented with testis?ova. Our results suggest that Uruguay River sediments act as an important source of estrogenic compounds that could be responsible for the alterations observed. Future studies are needed to identify the causal agents and determine exposure routes.
650 $aCONTAMINACIÓN
650 $aURUGUAY
653 $aCARPA (PEZ)
653 $aCOMMON CARP
653 $aCYPRINUS CARPIO
653 $aDISRUPCIÓN ENDÓCRINA
653 $aENDOCRINE DISRUPTORS
653 $aLABORATORY-EXPOSURE
653 $aRÍO URUGUAY
653 $aSEDIMENT VITELLOGENIN
653 $aSEDIMENTOS FLUVIALES
653 $aVITELOGENINA
700 1 $aEGUREN, G.
700 1 $aCARRASCO-LETELIER, L.
700 1 $aMUNKITTRICK, K.R.
773 $tEcotoxicology,August 2014, Volume 23, Issue 6, p 1137?1142.
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