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61. | | MALEGORI, C.; MARQUES, E. J. N.; FREITAS, S. T. de; PIMENTEL, M. F.; PASQUINI, C.; CASIRAGHI, E. Comparing the analytical performances of Micro-NIR and FT-NIR spectrometers in the evaluation of acerola fruit quality, using PLS and SVM regression algorithms. Talanta, v. 165, 112-116, 2017. Biblioteca(s): Embrapa Semiárido. |
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62. | | MALEGORI, C.; MARQUESM E.; AVELAR, M. F. P.; FREITAS, S. T. de; SOUZA, F. de F.; PASQUINI, C.; CASIRAGHI, E. Comparison between FT-NIR and Micro-NIR in the evaluation of Acerola fruit quality, using PLS and SVM regression algorithms. In: INTERNATIONAL CONFERENCE ON NEAR INFRARED SPECTROSCOPY, 17., 2015, Foz do Iguassu. Book of abstracts. [S.l]: International Council for Near Infrared Spectroscopy, 2015. Biblioteca(s): Embrapa Semiárido. |
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64. | | BONOMELLI, C.; FREITAS, S. T. de; AGUILERA, C.; PALMA, C.; GARAY, R.; DIDES, M.; BROSSARD, N.; O'BRIEN, J. A. Ammonium excess leads to Ca restrictions, morphological changes, and nutritional imbalances in tomato plants, which can be monitored by the N/Ca ratio. Agronomy, v. 11, n. 7, jul. 2021. Biblioteca(s): Embrapa Semiárido. |
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65. | | AMARANTE, C. V. T.; STEFFENS, C. A.; MIQUELOTO, A.; SANTOS, A. dos; DENARDI, V.; FREITAS, S. T. de. Methods of fruit tissue sampling to quantify calcium and magnesium contents to segregate apples for Bitter Pit incidence. Acta Horticulturae, Leuven, n. 1079, p. 359-364, 2015. Edição do Proceedings of the V International Conference Postharvest Unlimited, Lemesos, Cyprus, mar. 2015. Biblioteca(s): Embrapa Semiárido. |
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67. | | SOARES FILHO, A. de A.; MOURA, F. M. de; SOUSA, O. P. de; NOBRE, R. G.; FREITAS, S. T. de. Efeito de diferentes níveis de salinidade e substratos no desenvolvimento de mudas de cajueiro comum. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 26., 2019, Juazeiro, BA/Petrolina, PE. Fruticultura de precisão: desafios e oportunidades - anais. Petrolina: Embrapa Semiárido: UNIVASF: SBF, 2019. p. 669-672. Biblioteca(s): Embrapa Semiárido. |
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68. | | RYBKA, A. C. P.; FÉLIX, L. D.; FREITAS, S. T. de; SOUZA, F. de F.; BIASOTO, A. C. T. Efeito da formulação na qualidade nutricional do suco de acerola Junko após armazenamento. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 26., 2019, Juazeiro, BA/Petrolina, PE. Fruticultura de precisão: desafios e oportunidades - anais. Petrolina: Embrapa Semiárido: UNIVASF: SBF, 2019. p. 2871-2874. Biblioteca(s): Embrapa Semiárido. |
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69. | | SOARES FILHO, A. de A.; PESSÔA, U. C. M.; MUDO, L. E. D.; NOBRE, R. G.; FREITAS, S. T. de. Crescimento de cajueiro comum sob diferentes substratos e níveis salinos. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 26., 2019, Juazeiro, BA/Petrolina, PE. Fruticultura de precisão: desafios e oportunidades - anais. Petrolina: Embrapa Semiárido: UNIVASF: SBF, 2019. p. 589-592. Biblioteca(s): Embrapa Semiárido. |
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70. | | VILVERT, J. C.; FREITAS, S. T. de; SANTOS, L. F. dos; RIBEIRO. T. da S.; VELOSO, C. M. Phenolic compounds in acerola fruit and by-products: an overview on identification, quantification, influencing factors, and biological properties. Journal of Food Measurement and Characterization, v. 18, p. 216–239, 2024. Online. Biblioteca(s): Embrapa Semiárido. |
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71. | | SILVA, V. P.; FERREIRA, M. A. R.; PASSOS, T. O.; OLIVEIRA, V. R. de; FREITAS, S. T. de. Perda de massa em frutos de umbuzeiro (Spondias tuberosa Arruda) armazenados em diferentes temperaturas. In: JORNADA DE INTEGRAÇÃO DA PÓS-GRADUAÇÃO DA EMBRAPA SEMIÁRIDO, 3., 2018, Petrolina. Anais... Petrolina: Embrapa Semiárido, 2018. p. 131-135. (Embrapa Semiárido. Documentos, 284). Biblioteca(s): Embrapa Semiárido. |
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Registros recuperados : 192 | |
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Registro Completo
Biblioteca(s): |
Embrapa Semiárido. |
Data corrente: |
17/10/2019 |
Data da última atualização: |
19/11/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
RIBOLDI, L. B.; GAZIOLA, S. A.; AZEVEDO, R. A.; FREITAS, S. T. de; CASTRO, P. R. de C. e. |
Afiliação: |
LUCAS BAIOCHI RIBOLDI; SALETE APARECIDA GAZIOLA; RICARDO ANTUNES AZEVEDO; SERGIO TONETTO DE FREITAS, CPATSA; PAULO ROBERTO DE CAMARGO E CASTRO. |
Título: |
24-Epibrassinolide mechanisms regulating blossom-end rot development in tomato fruit. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Journal of Plant Growth Regulation, v. 38, p. 812-823, 2019. |
DOI: |
10.1007/s00344-018-9892-x |
Idioma: |
Inglês |
Conteúdo: |
Blossom-end rot (BER) is a physiological disorder believed to be triggered by low Ca2+ content in the distal fruit tissue. However, many other factors can also determine fruit susceptibility to BER. It is possible that during fruit growth, Ca2+ imbalance can increase membrane leakiness, which may trigger the accumulation of reactive oxygen species, leading to cell death. Brassinosteroids are a class of plant hormones involved in stress defenses, specially increasing the activity of antioxidant enzymes and the accumulation of antioxidant compounds, such as ascorbic acid. The objective of this study was to understand the mechanisms by which 24-epibrassinolide (EBL) reduces fruit susceptibility to BER. Tomato plants ?BRS Montese? were cultivated in a greenhouse and were weekly sprayed with water (control) or EBL (0.01 ?M) after full bloom. Plants and fruits were evaluated at 15 days after pollination (DAP). According to the results, EBL treatment inhibited BER development, increased fruit diameter, length, and fresh weight. EBL-treated fruit showed higher concentrations of soluble Ca2+ and lower concentrations of cell wall-bound Ca2+. EBL-treated fruit also had higher concentrations of ascorbic acid and lower concentrations of hydrogen peroxide, compared to water-treated fruit. EBL treatment increased the activity of the three main antioxidant enzymes known as ascorbate peroxidase, catalase, and superoxide dismutase. According to the results, EBL treatment maintained higher soluble Ca2+ and antioxidant capacity, reducing fruit susceptibility to BER. MenosBlossom-end rot (BER) is a physiological disorder believed to be triggered by low Ca2+ content in the distal fruit tissue. However, many other factors can also determine fruit susceptibility to BER. It is possible that during fruit growth, Ca2+ imbalance can increase membrane leakiness, which may trigger the accumulation of reactive oxygen species, leading to cell death. Brassinosteroids are a class of plant hormones involved in stress defenses, specially increasing the activity of antioxidant enzymes and the accumulation of antioxidant compounds, such as ascorbic acid. The objective of this study was to understand the mechanisms by which 24-epibrassinolide (EBL) reduces fruit susceptibility to BER. Tomato plants ?BRS Montese? were cultivated in a greenhouse and were weekly sprayed with water (control) or EBL (0.01 ?M) after full bloom. Plants and fruits were evaluated at 15 days after pollination (DAP). According to the results, EBL treatment inhibited BER development, increased fruit diameter, length, and fresh weight. EBL-treated fruit showed higher concentrations of soluble Ca2+ and lower concentrations of cell wall-bound Ca2+. EBL-treated fruit also had higher concentrations of ascorbic acid and lower concentrations of hydrogen peroxide, compared to water-treated fruit. EBL treatment increased the activity of the three main antioxidant enzymes known as ascorbate peroxidase, catalase, and superoxide dismutase. According to the results, EBL treatment maintained higher sol... Mostrar Tudo |
Palavras-Chave: |
24-Epibrassinolide; Blossom-End Rot; Brassinosteróides; BRS Montese; Deficiência de cálcio; Estresse oxidativo; Podridão da extremidade da flor. |
Thesagro: |
Doença; Tomate. |
Thesaurus NAL: |
Tomatoes. |
Categoria do assunto: |
H Saúde e Patologia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/202988/1/Epibrassinolide-Mechanisms-Regulating-Blossom-2019.pdf
|
Marc: |
LEADER 02472naa a2200301 a 4500 001 2113189 005 2019-11-19 008 2019 bl uuuu u00u1 u #d 024 7 $a10.1007/s00344-018-9892-x$2DOI 100 1 $aRIBOLDI, L. B. 245 $a24-Epibrassinolide mechanisms regulating blossom-end rot development in tomato fruit.$h[electronic resource] 260 $c2019 520 $aBlossom-end rot (BER) is a physiological disorder believed to be triggered by low Ca2+ content in the distal fruit tissue. However, many other factors can also determine fruit susceptibility to BER. It is possible that during fruit growth, Ca2+ imbalance can increase membrane leakiness, which may trigger the accumulation of reactive oxygen species, leading to cell death. Brassinosteroids are a class of plant hormones involved in stress defenses, specially increasing the activity of antioxidant enzymes and the accumulation of antioxidant compounds, such as ascorbic acid. The objective of this study was to understand the mechanisms by which 24-epibrassinolide (EBL) reduces fruit susceptibility to BER. Tomato plants ?BRS Montese? were cultivated in a greenhouse and were weekly sprayed with water (control) or EBL (0.01 ?M) after full bloom. Plants and fruits were evaluated at 15 days after pollination (DAP). According to the results, EBL treatment inhibited BER development, increased fruit diameter, length, and fresh weight. EBL-treated fruit showed higher concentrations of soluble Ca2+ and lower concentrations of cell wall-bound Ca2+. EBL-treated fruit also had higher concentrations of ascorbic acid and lower concentrations of hydrogen peroxide, compared to water-treated fruit. EBL treatment increased the activity of the three main antioxidant enzymes known as ascorbate peroxidase, catalase, and superoxide dismutase. According to the results, EBL treatment maintained higher soluble Ca2+ and antioxidant capacity, reducing fruit susceptibility to BER. 650 $aTomatoes 650 $aDoença 650 $aTomate 653 $a24-Epibrassinolide 653 $aBlossom-End Rot 653 $aBrassinosteróides 653 $aBRS Montese 653 $aDeficiência de cálcio 653 $aEstresse oxidativo 653 $aPodridão da extremidade da flor 700 1 $aGAZIOLA, S. A. 700 1 $aAZEVEDO, R. A. 700 1 $aFREITAS, S. T. de 700 1 $aCASTRO, P. R. de C. e 773 $tJournal of Plant Growth Regulation$gv. 38, p. 812-823, 2019.
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