|
|
Registros recuperados : 53 | |
10. | | GAZIOLA, S. A.; ALESSI, E. S.; GUIMARAES, P. E. O.; DAMERVAL, C.; AZEVEDO, R. A. Quality protein maize: a biochemical study of enzymes involved in lysine metabolism. Journal of Agricultural and Food Chemistry, Washington, v. 47, n. 3, p. 1268-1275, 1999. Biblioteca(s): Embrapa Milho e Sorgo. |
| |
14. | | MEDICI, L. O.; AZEVEDO, R. A.; CANELLAS, L. P.; MACHADO, A. T.; PIMENTEL, C. Stomatal conductance of maize under water and nitrogen deficits. Pesquisa Agropecuária Brasileira, Brasília, v. 42, n. 4, p. 599-601, abr. 2007. Biblioteca(s): Embrapa Cerrados; Embrapa Unidades Centrais. |
| |
16. | | AZEVEDO, R. A. de; ARAÚJO, L.; COELHO, S. G.; FARIA FILHOI, D. E. de; DUARTE, E. R.; GERASEEV, L. C. Desempenho de bezerros alimentados com silagem de leite de transição. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 48, n. 5, p. 545-552, maio 2013. Título em inglês: Performance of calves fed silage transition milk. Biblioteca(s): Embrapa Unidades Centrais. |
| |
17. | | GUELFI, A.; CHABREGAS, S. M.; FALCO, M. C.; FALCAO, P. R. K.; NESHICH, G.; AZEVEDO, R. A. Molecular dynamics analysis of glutathione transferases sugarcane mutants and their interactions with atrazine. In: X-MEETING; INTERNATIONAL CONFERENCE OF THE AB3C, 1., 2005, Caxambu. [Proceedings...]. [S.l.]: Associação Brasileira de Bioinformática e Biologia Computacional, 2005. p. 94. X-meeting 2005. Presented posters. Biblioteca(s): Embrapa Agricultura Digital. |
| |
18. | | MARTINOTTO, F.; MARTINOTTO, C.; COELHO, M. de F. B.; AZEVEDO, R. A B. e; ALBUQUERQUE, M. C. de F. e. Sobrevivência e crescimento inicial de espécies arbóreas nativas do Cerrado em consórcio com mandioca. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 47, n. 1, p. 22-29, jan. 2012. Título em inglês: Survival and initial growth of tree species native to the Cerrado intercropped with cassava. Biblioteca(s): Embrapa Unidades Centrais. |
| |
20. | | JOLOMBA, J. R.; MARCONDES, M. I.; VELOSO, C. M.; OSS, D. B.; AZEVEDO, R. A.; COELHO, S. G.; CAMPOS, M. M. Breed effect on energy requirements of crossbred (Holstein x Gyr) or purebred Holstein calves. In: SIMPÓSIO NACIONAL DE BOVINOCULTURA LEITEIRA - SIMLEITE, 5.; SIMPÓSIO INTERNACIONAL DE BOVINOCULTURA LEITEIRA, 3., 2015, Viçosa, MG. Anais... Viçosa: UFV, 2015. p. 381-383. Biblioteca(s): Embrapa Gado de Leite. |
| |
Registros recuperados : 53 | |
|
|
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.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Semiárido (CPATSA) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
Nenhum registro encontrado para a expressão de busca informada. |
|
|