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Registro Completo |
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Biblioteca(s): |
Embrapa Clima Temperado. |
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Data corrente: |
28/03/2013 |
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Data da última atualização: |
28/03/2013 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FEIJÓ, C. T.; ANTUNES, I. F.; BEVILAQUA, G. A. P.; GREHS, R. C.; EICHHOLZ, C.; PIEGAS, B. N.; RIBEIRO, L. S. |
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Afiliação: |
CRISTIANE TAVARES FEIJÓ, UFPEL; IRAJA FERREIRA ANTUNES, CPACT; GILBERTO ANTONIO P BEVILAQUA, CPACT; RAUL CELSO GREHS, CPACT; CLAITON EICHHOLZ, UFPEL; BEATRIZ NEVES PIEGAS, CPACT; LUCIANE SOARES RIBEIRO, UFPEL. |
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Título: |
Common bean keepers and cultivar diversity at Terra Indigena do Guarita Indian reserve in Brasil. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Annual Report of the Bean Improvement Cooperative, Prosser, WA, n. 55, p. 247-248, March 2012. |
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ISSN: |
0084-7747 |
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Idioma: |
Português |
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Palavras-Chave: |
Rio Grande do Sul. |
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Thesagro: |
Feijão; Phaseolus Vulgaris. |
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Thesaurus Nal: |
American Indians; Beans; Brazil; Crop production; Cultivars. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/79974/1/Digitalizar0011.pdf
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Marc: |
LEADER 00862naa a2200289 a 4500
001 1954499
005 2013-03-28
008 2012 bl uuuu u00u1 u #d
022 $a0084-7747
100 1 $aFEIJÓ, C. T.
245 $aCommon bean keepers and cultivar diversity at Terra Indigena do Guarita Indian reserve in Brasil.$h[electronic resource]
260 $c2012
650 $aAmerican Indians
650 $aBeans
650 $aBrazil
650 $aCrop production
650 $aCultivars
650 $aFeijão
650 $aPhaseolus Vulgaris
653 $aRio Grande do Sul
700 1 $aANTUNES, I. F.
700 1 $aBEVILAQUA, G. A. P.
700 1 $aGREHS, R. C.
700 1 $aEICHHOLZ, C.
700 1 $aPIEGAS, B. N.
700 1 $aRIBEIRO, L. S.
773 $tAnnual Report of the Bean Improvement Cooperative, Prosser, WA$gn. 55, p. 247-248, March 2012.
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Registro original: |
Embrapa Clima Temperado (CPACT) |
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Registro Completo
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Biblioteca(s): |
Embrapa Agrossilvipastoril. |
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Data corrente: |
04/02/2020 |
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Data da última atualização: |
04/02/2020 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
SILVA, K. N. C.; MAGOSSO, B. F.; MULLER, G. V. M.; PIZZATTO, M.; SANTOS, L. B.; BEHLING, M.; FELIPE, R. T. A.; SILVA, A. C. da. |
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Afiliação: |
KALISTO NATAM CARNEIRO SILVA, UFMT, Sinop-MT; BEATRIZ FELTRIN MAGOSSO, UFMT, Sinop-MT; GABRIEL VINÍCIUS MIRANDA MULLER, UFMT, Sinop-MT; MARIANA PIZZATTO, UFMT, Sinop-MT; LUCAS BARTOLOMEU SANTOS, UFMT, Sinop-MT; MAUREL BEHLING, CPAMT; RAFAELLA TELES ARANTES FELIPE, UFMT, Sinop-MT; ANDRÉA CARVALHO DA SILVA, UFMT, Sinop-MT. |
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Título: |
Chlorophyll a fluorescence in young Bertholletia excelsa BONPL. plants subjected to different shading levels. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
In: BRAZILIAN CONGRESS OF PLANT PHYSIOLOGY, 17., 2019, Cuiabá. Challenges for plant physiology; Food production and sustanability: [anais]. [Rio Claro, SP: SBFV], 2019. p. 26. |
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Série: |
2675-1267 |
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Idioma: |
Inglês |
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Conteúdo: |
Photochemical responses are directly dependent on the level of incident solar radiation during the initial establishment of forest species. The aim of the current study was to evaluate chlorophyll a fluorescence in 2-year-old Bertholletia excelsa seedlings from July to October 2017. Samples were acclimated on polyolefin screens under different quantitative (35%, 50%, 65% and 80%) and qualitative (thermo-reflective, red, blue and green screens, at 50% solar radiation attenuation) shading levels and under full sun at the 77th, 105th, 122nd and 150th days after acclimation - DAA - (73 days) in Sinop County - MT. Estimates of effective quantum yield (ΦPSII) and electron transport rate (ETR) were performed in the OS5p Fluorometer (150 μmol m-2 s-1 PAR). The experimental design was completely randomized in factorial arrangements (5 x 4) and (6 x 4) (shading levels x time), with three repetitions (seedling). Data were subjected to analysis of variance, at 5% and 10% significance levels. There was significant interaction between shading and time; the maximum ETR (38.26 μmol m-2 s-1) and ΦPSII (0.77) points were estimated at the 116th DAA, at 77% and 76% shading levels, respectively. Red and green screens increased fluorescence parameters throughout the growth period. Seedlings showed low ability to differentiate changes in the quality of the intercepted light, however, those acclimated under full sun were less efficient to photochemically dissipate light energy. We conclude that intermediate shading levels (50% and 65%) increase the efficiency of Brazil nut tree seedlings in converting solar energy into chemical energy. MenosPhotochemical responses are directly dependent on the level of incident solar radiation during the initial establishment of forest species. The aim of the current study was to evaluate chlorophyll a fluorescence in 2-year-old Bertholletia excelsa seedlings from July to October 2017. Samples were acclimated on polyolefin screens under different quantitative (35%, 50%, 65% and 80%) and qualitative (thermo-reflective, red, blue and green screens, at 50% solar radiation attenuation) shading levels and under full sun at the 77th, 105th, 122nd and 150th days after acclimation - DAA - (73 days) in Sinop County - MT. Estimates of effective quantum yield (ΦPSII) and electron transport rate (ETR) were performed in the OS5p Fluorometer (150 μmol m-2 s-1 PAR). The experimental design was completely randomized in factorial arrangements (5 x 4) and (6 x 4) (shading levels x time), with three repetitions (seedling). Data were subjected to analysis of variance, at 5% and 10% significance levels. There was significant interaction between shading and time; the maximum ETR (38.26 μmol m-2 s-1) and ΦPSII (0.77) points were estimated at the 116th DAA, at 77% and 76% shading levels, respectively. Red and green screens increased fluorescence parameters throughout the growth period. Seedlings showed low ability to differentiate changes in the quality of the intercepted light, however, those acclimated under full sun were less efficient to photochemically dissipate light energy. ... Mostrar Tudo |
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Palavras-Chave: |
Mato Grosso; Sinop. |
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Thesagro: |
Bertholletia Excelsa. |
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Thesaurus NAL: |
Brazil nuts; Electron transport chain. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/210277/1/2019-cpamt-maurel-behling-chlorophyll-fluorescence-young-bertholletia-different-shading-levels.pdf
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Marc: |
LEADER 02576nam a2200265 a 4500
001 2119852
005 2020-02-04
008 2019 bl uuuu u00u1 u #d
100 1 $aSILVA, K. N. C.
245 $aChlorophyll a fluorescence in young Bertholletia excelsa BONPL. plants subjected to different shading levels.$h[electronic resource]
260 $aIn: BRAZILIAN CONGRESS OF PLANT PHYSIOLOGY, 17., 2019, Cuiabá. Challenges for plant physiology; Food production and sustanability: [anais]. [Rio Claro, SP: SBFV], 2019. p. 26.$c2019
490 $a2675-1267
520 $aPhotochemical responses are directly dependent on the level of incident solar radiation during the initial establishment of forest species. The aim of the current study was to evaluate chlorophyll a fluorescence in 2-year-old Bertholletia excelsa seedlings from July to October 2017. Samples were acclimated on polyolefin screens under different quantitative (35%, 50%, 65% and 80%) and qualitative (thermo-reflective, red, blue and green screens, at 50% solar radiation attenuation) shading levels and under full sun at the 77th, 105th, 122nd and 150th days after acclimation - DAA - (73 days) in Sinop County - MT. Estimates of effective quantum yield (ΦPSII) and electron transport rate (ETR) were performed in the OS5p Fluorometer (150 μmol m-2 s-1 PAR). The experimental design was completely randomized in factorial arrangements (5 x 4) and (6 x 4) (shading levels x time), with three repetitions (seedling). Data were subjected to analysis of variance, at 5% and 10% significance levels. There was significant interaction between shading and time; the maximum ETR (38.26 μmol m-2 s-1) and ΦPSII (0.77) points were estimated at the 116th DAA, at 77% and 76% shading levels, respectively. Red and green screens increased fluorescence parameters throughout the growth period. Seedlings showed low ability to differentiate changes in the quality of the intercepted light, however, those acclimated under full sun were less efficient to photochemically dissipate light energy. We conclude that intermediate shading levels (50% and 65%) increase the efficiency of Brazil nut tree seedlings in converting solar energy into chemical energy.
650 $aBrazil nuts
650 $aElectron transport chain
650 $aBertholletia Excelsa
653 $aMato Grosso
653 $aSinop
700 1 $aMAGOSSO, B. F.
700 1 $aMULLER, G. V. M.
700 1 $aPIZZATTO, M.
700 1 $aSANTOS, L. B.
700 1 $aBEHLING, M.
700 1 $aFELIPE, R. T. A.
700 1 $aSILVA, A. C. da
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