Auxin effect, Indole-3-butyric acid, on bunch architecture and quality at harvest and post-harvest on table grapes
- Autores
- Pugliese, Maria Beatriz; Pacheco, Daniela; Infante, Silvina del Valle; Guzman Godoy, Yanina Silvana; Bottini, Rubén; Travaglia, Claudia; Avenant, Jan Hendrik; Avenant, Eunice; Berli, Federico
- Año de publicación
- 2026
- Idioma
- inglés
- Tipo de recurso
- documento de conferencia
- Estado
- versión publicada
- Descripción
- Presentación en diapositivas y resumen
Although the most widely used growth regulator in the table grape industry to increase bunch quality is gibberellicacid (GA3), it generates negative effects such as decreased bud fertility, rachis deformation, and millerandage. For this reason, preliminary studies were carried out with natural plant growth regulators (PGRs) as alternatives to GA3 in order to select the PGR(s) that allow increasing the bunches quality. The PGRs were studied: indole-3-butyric acid (IBA), cytokinin 6- benzylaminopurine (BAP), and abscisic acid (ABA) in comparison with GA3 at different doses and phenological stages in the Superior Seedless cv. (Vitis vinifera L.). The results of this exploratory study showed a clear positive effect of IBA on the yield components and bunch quality. The aim of this work is to continue evaluating the response of the Superior Seedless cv. (Vitis vinifera L.) to IBA spraying. An experiment was conducted in which IBA was evaluated in comparison with GA3 at doses of 2, 20 and 50 ppm at 15 cm of shoot, 100% flowering and 8-10 mm berry diameter and its effect on yield components, cluster architecture and quality variables at harvest and post-harvest (cold storage at 0 °C and 95% RH for 60 days). Finally, in a second season, only IBA was evaluated, at the same doses and phenological stages, adding a fourth application time at 100% flowering beginning of fruit set. The results showed that IBA at all doses applied at full bloom-beginning of fruit set improved bunch weight through increases in berry size and weight, as well as the number of berries per bunch, without generating compaction by increasing the distances between lateral rachises and their length. Furthermore, the berries retained their characteristic varietal shape, and their total soluble solids content was not affected. IBA also increased fresh weight and rachis diameter in correlation with the promotion of vascular tissues. Post-harvest quality was improved by reducing rachis browning and maintaining berry firmness. The results obtained demonstrate the potential of using IBA to increase yields and bunch quality. Finally, it should be considered that IBA is a plant synthesized growth regulator that is less expensive and lacks the negative effects of GA3, making it a sustainable option.
EEA San Juan
Fil: Pugliese, María Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina.
Fil: Pugliese, María Beatriz. Universidad Nacional de San Juan. Facultad de Ingeniería; Argentina
Fil: Pacheco, Daniela Elizabeth. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina.
Fil: Infante, Silvina del Valle. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina.
Fil: Guzmán Godoy, Yanina Silvana. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Alto Valle; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Bottini, Rubén. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Travaglia, Claudia. Universidad Nacional de Río Cuarto; Argentina
Fil: Avenant, Jan Hendrik. Agricultural Research Council (ARC); Sudáfrica.
Fil: Avenant, Eunice. Stellenbosch University. Faculty of AgriSciences; Sudáfrica.
Fil: Berli, Federico. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina - Fuente
- 11th ITGS International Table Grape Symposium 2026, 28 September - 2 October 2026, Murcia, Spain
- Materia
-
Vid
Grapevines
Uvas de Mesa
Cosecha
Table Grapes
Harvesting
Auxins
Butyric Acid
Auxinas
Ácido Butirico
Ácido Butirico - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-sa/4.0/
- Repositorio
.jpg)
- Institución
- Instituto Nacional de Tecnología Agropecuaria
- OAI Identificador
- oai:localhost:20.500.12123/28356
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Auxin effect, Indole-3-butyric acid, on bunch architecture and quality at harvest and post-harvest on table grapesPugliese, Maria BeatrizPacheco, DanielaInfante, Silvina del ValleGuzman Godoy, Yanina SilvanaBottini, RubénTravaglia, ClaudiaAvenant, Jan HendrikAvenant, EuniceBerli, FedericoVidGrapevinesUvas de MesaCosechaTable GrapesHarvestingAuxinsButyric AcidAuxinasÁcido ButiricoÁcido ButiricoPresentación en diapositivas y resumenAlthough the most widely used growth regulator in the table grape industry to increase bunch quality is gibberellicacid (GA3), it generates negative effects such as decreased bud fertility, rachis deformation, and millerandage. For this reason, preliminary studies were carried out with natural plant growth regulators (PGRs) as alternatives to GA3 in order to select the PGR(s) that allow increasing the bunches quality. The PGRs were studied: indole-3-butyric acid (IBA), cytokinin 6- benzylaminopurine (BAP), and abscisic acid (ABA) in comparison with GA3 at different doses and phenological stages in the Superior Seedless cv. (Vitis vinifera L.). The results of this exploratory study showed a clear positive effect of IBA on the yield components and bunch quality. The aim of this work is to continue evaluating the response of the Superior Seedless cv. (Vitis vinifera L.) to IBA spraying. An experiment was conducted in which IBA was evaluated in comparison with GA3 at doses of 2, 20 and 50 ppm at 15 cm of shoot, 100% flowering and 8-10 mm berry diameter and its effect on yield components, cluster architecture and quality variables at harvest and post-harvest (cold storage at 0 °C and 95% RH for 60 days). Finally, in a second season, only IBA was evaluated, at the same doses and phenological stages, adding a fourth application time at 100% flowering beginning of fruit set. The results showed that IBA at all doses applied at full bloom-beginning of fruit set improved bunch weight through increases in berry size and weight, as well as the number of berries per bunch, without generating compaction by increasing the distances between lateral rachises and their length. Furthermore, the berries retained their characteristic varietal shape, and their total soluble solids content was not affected. IBA also increased fresh weight and rachis diameter in correlation with the promotion of vascular tissues. Post-harvest quality was improved by reducing rachis browning and maintaining berry firmness. The results obtained demonstrate the potential of using IBA to increase yields and bunch quality. Finally, it should be considered that IBA is a plant synthesized growth regulator that is less expensive and lacks the negative effects of GA3, making it a sustainable option.EEA San JuanFil: Pugliese, María Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina.Fil: Pugliese, María Beatriz. Universidad Nacional de San Juan. Facultad de Ingeniería; ArgentinaFil: Pacheco, Daniela Elizabeth. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina.Fil: Infante, Silvina del Valle. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina.Fil: Guzmán Godoy, Yanina Silvana. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Alto Valle; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Bottini, Rubén. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Travaglia, Claudia. Universidad Nacional de Río Cuarto; ArgentinaFil: Avenant, Jan Hendrik. Agricultural Research Council (ARC); Sudáfrica.Fil: Avenant, Eunice. Stellenbosch University. Faculty of AgriSciences; Sudáfrica.Fil: Berli, Federico. 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| dc.title.none.fl_str_mv |
Auxin effect, Indole-3-butyric acid, on bunch architecture and quality at harvest and post-harvest on table grapes |
| title |
Auxin effect, Indole-3-butyric acid, on bunch architecture and quality at harvest and post-harvest on table grapes |
| spellingShingle |
Auxin effect, Indole-3-butyric acid, on bunch architecture and quality at harvest and post-harvest on table grapes Pugliese, Maria Beatriz Vid Grapevines Uvas de Mesa Cosecha Table Grapes Harvesting Auxins Butyric Acid Auxinas Ácido Butirico Ácido Butirico |
| title_short |
Auxin effect, Indole-3-butyric acid, on bunch architecture and quality at harvest and post-harvest on table grapes |
| title_full |
Auxin effect, Indole-3-butyric acid, on bunch architecture and quality at harvest and post-harvest on table grapes |
| title_fullStr |
Auxin effect, Indole-3-butyric acid, on bunch architecture and quality at harvest and post-harvest on table grapes |
| title_full_unstemmed |
Auxin effect, Indole-3-butyric acid, on bunch architecture and quality at harvest and post-harvest on table grapes |
| title_sort |
Auxin effect, Indole-3-butyric acid, on bunch architecture and quality at harvest and post-harvest on table grapes |
| dc.creator.none.fl_str_mv |
Pugliese, Maria Beatriz Pacheco, Daniela Infante, Silvina del Valle Guzman Godoy, Yanina Silvana Bottini, Rubén Travaglia, Claudia Avenant, Jan Hendrik Avenant, Eunice Berli, Federico |
| author |
Pugliese, Maria Beatriz |
| author_facet |
Pugliese, Maria Beatriz Pacheco, Daniela Infante, Silvina del Valle Guzman Godoy, Yanina Silvana Bottini, Rubén Travaglia, Claudia Avenant, Jan Hendrik Avenant, Eunice Berli, Federico |
| author_role |
author |
| author2 |
Pacheco, Daniela Infante, Silvina del Valle Guzman Godoy, Yanina Silvana Bottini, Rubén Travaglia, Claudia Avenant, Jan Hendrik Avenant, Eunice Berli, Federico |
| author2_role |
author author author author author author author author |
| dc.subject.none.fl_str_mv |
Vid Grapevines Uvas de Mesa Cosecha Table Grapes Harvesting Auxins Butyric Acid Auxinas Ácido Butirico Ácido Butirico |
| topic |
Vid Grapevines Uvas de Mesa Cosecha Table Grapes Harvesting Auxins Butyric Acid Auxinas Ácido Butirico Ácido Butirico |
| dc.description.none.fl_txt_mv |
Presentación en diapositivas y resumen Although the most widely used growth regulator in the table grape industry to increase bunch quality is gibberellicacid (GA3), it generates negative effects such as decreased bud fertility, rachis deformation, and millerandage. For this reason, preliminary studies were carried out with natural plant growth regulators (PGRs) as alternatives to GA3 in order to select the PGR(s) that allow increasing the bunches quality. The PGRs were studied: indole-3-butyric acid (IBA), cytokinin 6- benzylaminopurine (BAP), and abscisic acid (ABA) in comparison with GA3 at different doses and phenological stages in the Superior Seedless cv. (Vitis vinifera L.). The results of this exploratory study showed a clear positive effect of IBA on the yield components and bunch quality. The aim of this work is to continue evaluating the response of the Superior Seedless cv. (Vitis vinifera L.) to IBA spraying. An experiment was conducted in which IBA was evaluated in comparison with GA3 at doses of 2, 20 and 50 ppm at 15 cm of shoot, 100% flowering and 8-10 mm berry diameter and its effect on yield components, cluster architecture and quality variables at harvest and post-harvest (cold storage at 0 °C and 95% RH for 60 days). Finally, in a second season, only IBA was evaluated, at the same doses and phenological stages, adding a fourth application time at 100% flowering beginning of fruit set. The results showed that IBA at all doses applied at full bloom-beginning of fruit set improved bunch weight through increases in berry size and weight, as well as the number of berries per bunch, without generating compaction by increasing the distances between lateral rachises and their length. Furthermore, the berries retained their characteristic varietal shape, and their total soluble solids content was not affected. IBA also increased fresh weight and rachis diameter in correlation with the promotion of vascular tissues. Post-harvest quality was improved by reducing rachis browning and maintaining berry firmness. The results obtained demonstrate the potential of using IBA to increase yields and bunch quality. Finally, it should be considered that IBA is a plant synthesized growth regulator that is less expensive and lacks the negative effects of GA3, making it a sustainable option. EEA San Juan Fil: Pugliese, María Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Fil: Pugliese, María Beatriz. Universidad Nacional de San Juan. Facultad de Ingeniería; Argentina Fil: Pacheco, Daniela Elizabeth. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Fil: Infante, Silvina del Valle. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Fil: Guzmán Godoy, Yanina Silvana. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Alto Valle; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Bottini, Rubén. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Travaglia, Claudia. Universidad Nacional de Río Cuarto; Argentina Fil: Avenant, Jan Hendrik. Agricultural Research Council (ARC); Sudáfrica. Fil: Avenant, Eunice. Stellenbosch University. Faculty of AgriSciences; Sudáfrica. Fil: Berli, Federico. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina |
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Presentación en diapositivas y resumen |
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2026 |
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2026-11-04T10:07:03Z 2026-11-04T10:07:03Z 2026-09 |
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conferenceObject |
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eng |
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11th ITGS International Table Grape Symposium 2026, 28 September - 2 October 2026, Murcia, Spain reponame:INTA Digital (INTA) instname:Instituto Nacional de Tecnología Agropecuaria |
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