Data/hora: 06/06/2024 07:35:00

Provedor de dados: | 1
País: | Brazil
Título: | ‘Navelina’ oranges submitted to pre-harvest resistance inducers
Autores: | Kirinus, Marines Batalha Moreno; Barreto, Caroline Farias; Silva, Pricila Santos da; Oliveira, Roberto Pedroso de; Malgarim, Marcelo Barbosa; Fachinello, José Carlos.
Data: | 2018-08-01
Ano: | 2018
Palavras-chave: | 5.01.00.00-9; 5.01.03.00-8; 5.01.03.06-7; 5.01.03.01-6 Citrus sinensis; Navel orange; Elicitors; Refrigerated storage; Rotting. Fisiologia de Plantas Cultivadas; Manejo e tratos culturais.
Resumo: | The objective of this study was to evaluate the physical-chemical characteristics, rot index and bioactive compounds of ‘Navelina’ oranges under postharvest refrigerated storage conditions after pre-harvest resistance induction in crops from 2015 and 2016. The field experimental design was completely randomized blocks. The treatment factors were composed of the following resistance inducers: noresistance inducer (control), selenium (Se), silicon (Si), acibenzolar-s-methyl (ASM), methyl jasmonate (MeJa), thiamethoxam (TMT) and imidacloprid (IMI). In the laboratory, the experimental design was the same as that in the field, but it used a two-factor scheme instead of a unifactorial scheme. In the two-factor scheme, factor A was composed of the abovementioned resistance inducers, and factor B was composed of the refrigerated storage periods (zero and 30 days). The analyses investigated the coloration, fresh mass loss, rot index, soluble solids, pH, titratable acidity, SS/TA ratio, ascorbic acid, total phenolic compounds and antioxidant capacity of the oranges. The application of pre-harvest resistance inducers was efficient in maintaining the physical-chemical characteristics of the ‘Navelina’ oranges in postharvest, increasing their bioactive compounds in comparison to the control. The resistance inducers Se, Si, MeJa, and IMI reduced rot rates, while ASM and MeJa prevented fresh fruit mass loss.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês

Identificador:

http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/39465

10.4025/actasciagron.v40i1.39465

Editor: | Universidade Estadual de Maringá

Relação:

http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/39465/pdf

http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/downloadSuppFile/39465/15985

Formato: | application/pdf

Fonte:

Acta Scientiarum. Agronomy; v. 40 (2018): Publicação Contínua; e39465

Acta Scientiarum. Agronomy; v. 40 (2018): Publicação Contínua; e39465

1807-8621

1679-9275

Fonte:

Direitos autorais 2018 Acta Scientiarum. Agronomy

http://creativecommons.org/licenses/by/4.0