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| 11. |  | NASCIMENTO, M. T.; BARBOSA, R. I.; CASTILHO, C. V. de; VILLELA, D. M. The mesoscale distribution patterns of six abundant tree species on Maracá Island, Brazilian Amazonia: are monodominance of Peltogyne characterised by unusual soils? In: ANNUAL MEETING OF THE ASSOCIATION FOR TROPICAL BIOLOGY AND CONSERVATION, 49., 2012, Bonito. Ecology, evolution and sustainable use of tropical biodiversity. [S.l.]: ATBC, 2012.| Biblioteca(s): Embrapa Roraima. |
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Registro Completo
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Biblioteca(s): |
Embrapa Clima Temperado; Embrapa Uva e Vinho. |
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Data corrente: |
04/06/2018 |
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Data da última atualização: |
06/09/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
PAULA, B. V. de; MARQUES, A. C. R.; RODRIGUES, L. A. T.; SOUZA, R. O. S. de; KULMANN, M. S. de S.; KAMINSKI, J.; CERETTA, C. A.; MELO, G. W. B. de; MAYER, N. A.; ANTUNES, L. E.; RICACHENEVSKY, F. K.; NICOLOSO, F. T.; BRUNETTO, G. |
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Afiliação: |
Betania Vahl de Paula; Anderson Cesar Ramos Marques; Lucas Antonio Telles Rodrigues; Rodrigo Otavio Schneider de Souza; Matheus Severo de Souza Kulmann; João Kaminski; Carlos Alberto Ceretta; GEORGE WELLINGTON BASTOS DE MELO, CNPUV; NEWTON ALEX MAYER, CPACT; Luís Eduardo Antunes; Felipe Klein Ricachenevsky; Fernando Teixeira Nicoloso; Gustavo Brunetto. |
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Título: |
Morphological and kinetic parameters of the uptake of nitrogen forms in clonal peach rootstocks. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Scientia Horticulturae, v. 239, p. 205-209, 2018. |
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DOI: |
https://doi.org/10.1016/j.scienta.2018.05.038 |
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Idioma: |
Inglês
Português |
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Conteúdo: |
Peach (Prunus persica L.) rootstock cultivars are typically selected for scion compatibility, ease of propagation, vigor, development, flowering season, yield, low need for cold temperatures, resistance to diseases, effects on the physical-chemical characteristics of the fruit, plant longevity and adaptation to adverse edaphoclimatic conditions. However, kinetic parameters related to nutrient uptake efficiency are usually not considered, such as those of nitrate (NO3 −) and ammonium (NH4 +). N is the nutrient that most impacts growth and yield. The objective of this study was to show the importance of the kinetic parameters of NO3 − and NH4 + uptake as additional criteria for selecting peach rootstocks. The experiment was conducted in a greenhouse. Three rootstock (?Aldrighi?, ?Tsukuba1? and ?Clone 15′) were grown for 30 days in a pot containing 0.1 mol L-1 CaSO4 solution to reduce internal reserves of N. Afterwards, the plants were placed in Hoagland nutrient solution, where periodic collections of the nutrient solution were carried out for three days and the concentrations of NO3 − and NH4 + were determined. After the third day of collecting the solution, the plants were collected and then separated into leaves, roots and stems. Dry matter and total N content were assessed. The kinetic parameters related to NO3 − and NH4 + uptake (maximum uptake rate - Vmax, affinity constant - Km, Minimum concentration - Cmin, Influx - I) were calculated using Cinética software. The most efficient rootstock for NO3 − and NH4 + uptake was ?Tsukuba1?, as it showed the lowest values of Cmin and Km and the highest values of Vmax and Imax for NO3 − and NH4 +. NO3 − uptake in ?Tsukuba1? and ?Aldrighi? showed a two-phase uptake pattern, suggesting the presence of low and high affinity transport systems. On the other hand, NH4 + uptake in the three cultivars apparently followed a one-phase uptake pattern, suggesting the presence of a high affinity transport system. The kinetic parameters of NO3 − and NH4 + uptake are additional criteria that can be used in selecting peach rootstocks, as they directly influence shoot and root dry matter production and N accumulation in leaves. MenosPeach (Prunus persica L.) rootstock cultivars are typically selected for scion compatibility, ease of propagation, vigor, development, flowering season, yield, low need for cold temperatures, resistance to diseases, effects on the physical-chemical characteristics of the fruit, plant longevity and adaptation to adverse edaphoclimatic conditions. However, kinetic parameters related to nutrient uptake efficiency are usually not considered, such as those of nitrate (NO3 −) and ammonium (NH4 +). N is the nutrient that most impacts growth and yield. The objective of this study was to show the importance of the kinetic parameters of NO3 − and NH4 + uptake as additional criteria for selecting peach rootstocks. The experiment was conducted in a greenhouse. Three rootstock (?Aldrighi?, ?Tsukuba1? and ?Clone 15′) were grown for 30 days in a pot containing 0.1 mol L-1 CaSO4 solution to reduce internal reserves of N. Afterwards, the plants were placed in Hoagland nutrient solution, where periodic collections of the nutrient solution were carried out for three days and the concentrations of NO3 − and NH4 + were determined. After the third day of collecting the solution, the plants were collected and then separated into leaves, roots and stems. Dry matter and total N content were assessed. The kinetic parameters related to NO3 − and NH4 + uptake (maximum uptake rate - Vmax, affinity constant - Km, Minimum concentration - Cmin, Influx - I) were calculated usin... Mostrar Tudo |
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Palavras-Chave: |
Ammonium; Clonal peach rootstocks; Maximum nitrogen influx; Nitrate; Nutrient uptake efficiency; Prunus persica L; Rootstock. |
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Thesaurus NAL: |
Peaches. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/190113/1/Morphological-and-kinetic-parameters-of-the-uptake-of-nitrogen-forms.pdf
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Marc: |
LEADER 03357naa a2200373 a 4500
001 2103453
005 2023-09-06
008 2018 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.scienta.2018.05.038$2DOI
100 1 $aPAULA, B. V. de
245 $aMorphological and kinetic parameters of the uptake of nitrogen forms in clonal peach rootstocks.$h[electronic resource]
260 $c2018
520 $aPeach (Prunus persica L.) rootstock cultivars are typically selected for scion compatibility, ease of propagation, vigor, development, flowering season, yield, low need for cold temperatures, resistance to diseases, effects on the physical-chemical characteristics of the fruit, plant longevity and adaptation to adverse edaphoclimatic conditions. However, kinetic parameters related to nutrient uptake efficiency are usually not considered, such as those of nitrate (NO3 −) and ammonium (NH4 +). N is the nutrient that most impacts growth and yield. The objective of this study was to show the importance of the kinetic parameters of NO3 − and NH4 + uptake as additional criteria for selecting peach rootstocks. The experiment was conducted in a greenhouse. Three rootstock (?Aldrighi?, ?Tsukuba1? and ?Clone 15′) were grown for 30 days in a pot containing 0.1 mol L-1 CaSO4 solution to reduce internal reserves of N. Afterwards, the plants were placed in Hoagland nutrient solution, where periodic collections of the nutrient solution were carried out for three days and the concentrations of NO3 − and NH4 + were determined. After the third day of collecting the solution, the plants were collected and then separated into leaves, roots and stems. Dry matter and total N content were assessed. The kinetic parameters related to NO3 − and NH4 + uptake (maximum uptake rate - Vmax, affinity constant - Km, Minimum concentration - Cmin, Influx - I) were calculated using Cinética software. The most efficient rootstock for NO3 − and NH4 + uptake was ?Tsukuba1?, as it showed the lowest values of Cmin and Km and the highest values of Vmax and Imax for NO3 − and NH4 +. NO3 − uptake in ?Tsukuba1? and ?Aldrighi? showed a two-phase uptake pattern, suggesting the presence of low and high affinity transport systems. On the other hand, NH4 + uptake in the three cultivars apparently followed a one-phase uptake pattern, suggesting the presence of a high affinity transport system. The kinetic parameters of NO3 − and NH4 + uptake are additional criteria that can be used in selecting peach rootstocks, as they directly influence shoot and root dry matter production and N accumulation in leaves.
650 $aPeaches
653 $aAmmonium
653 $aClonal peach rootstocks
653 $aMaximum nitrogen influx
653 $aNitrate
653 $aNutrient uptake efficiency
653 $aPrunus persica L
653 $aRootstock
700 1 $aMARQUES, A. C. R.
700 1 $aRODRIGUES, L. A. T.
700 1 $aSOUZA, R. O. S. de
700 1 $aKULMANN, M. S. de S.
700 1 $aKAMINSKI, J.
700 1 $aCERETTA, C. A.
700 1 $aMELO, G. W. B. de
700 1 $aMAYER, N. A.
700 1 $aANTUNES, L. E.
700 1 $aRICACHENEVSKY, F. K.
700 1 $aNICOLOSO, F. T.
700 1 $aBRUNETTO, G.
773 $tScientia Horticulturae$gv. 239, p. 205-209, 2018.
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Embrapa Uva e Vinho (CNPUV) |
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