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Registro Completo |
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Biblioteca(s): |
Embrapa Uva e Vinho. |
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Data corrente: |
12/07/2022 |
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Data da última atualização: |
14/07/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PAULA, B. V. de; VITTO, B. B.; SETE, P. B.; TRAPP, T.; ZALAMENA, J.; MELO, G. W. B. de; BALDI, E.; TOSELLI, M.; ROZANE, D. E.; BRUNETTO, G. |
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Afiliação: |
BETANIA VAHL DE PAULA, Universidade Federal de Santa Maria; BEATRIZ BATICINI VITTO, Universidade Federal de Santa Catarina; PAULA BEATRIZ SETE, Universidade Federal de Santa Catarina; TALITA TRAPP, Universidade Federal de Santa Catarina; JOVANI ZALAMENA, Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul; GEORGE WELLINGTON BASTOS DE MELO, CNPUV; ELENA BALDI, University of Bologna; MORENO TOSELLI, University of Bologna; DANILO EDUARDO ROZANE, Universidade do Estado de São Paulo; GUSTAVO BRUNETTO, Universidade Federal de Santa Maria. |
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Título: |
Annual and residual urea nitrogen contribution to the nutrition of peach trees (Prunus persica L.) grown under subtropical climate. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Scientia Horticulturae, v. 284, e-110099, 2021. |
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DOI: |
https://doi.org/10.1016/J.SCIENTA.2021.110099 |
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Idioma: |
Inglês |
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Conteúdo: |
Nitrogen (N) fertilizers such as urea are applied to peach orchards worldwide whenever the soil cannot meet plants? N demand. However, the actual nutritional contribution of different N supply modes applied to peach crops, or the contribution of residual N in the subsequent cycle, is yet to be fully known. The current study aims to assess the annual and residual urea N contribution to the nutrition of peach trees grown under subtropical climate. Forty kilograms of N per hectare supplied as enriched urea (3.0 at. % 15N), were applied to peach in full production at a single rate (100 % at budding) or split in two rates (50 % at budding and 50 % at flowering). Total 15N and N concentrations in the application year and in the year after treatments were assessed in peach leaves throughout the cycle, in fruits (pulp and stone) at harvest and in stratified soil samples. Total 15N, N concentrations and total dry mass were measured in annual and perennial tree organs in the year after treatment application. Peach trees evidenced higher N deriving from fertilizer (NDFF) in leaves and fruits (pulp and stone) in the year N was applied to the soil, as well as in the following year when N application was split into two rates. The highest NDFF amounts recorded in the year following N application were observed in leaves and fruits (annual organs) and thick roots (perennial organ), mainly when N was splitted. However, mainly in the year following its application, due to the small residual N, the N found in trees derived from sources other than N fertilizer; this justifies annual N applications, whenever necessary. The cultivation of cover crops and the preservation of organic matter could help N peach nutrition that seems to take advantage more of residual N in soil than on fertilizers. MenosNitrogen (N) fertilizers such as urea are applied to peach orchards worldwide whenever the soil cannot meet plants? N demand. However, the actual nutritional contribution of different N supply modes applied to peach crops, or the contribution of residual N in the subsequent cycle, is yet to be fully known. The current study aims to assess the annual and residual urea N contribution to the nutrition of peach trees grown under subtropical climate. Forty kilograms of N per hectare supplied as enriched urea (3.0 at. % 15N), were applied to peach in full production at a single rate (100 % at budding) or split in two rates (50 % at budding and 50 % at flowering). Total 15N and N concentrations in the application year and in the year after treatments were assessed in peach leaves throughout the cycle, in fruits (pulp and stone) at harvest and in stratified soil samples. Total 15N, N concentrations and total dry mass were measured in annual and perennial tree organs in the year after treatment application. Peach trees evidenced higher N deriving from fertilizer (NDFF) in leaves and fruits (pulp and stone) in the year N was applied to the soil, as well as in the following year when N application was split into two rates. The highest NDFF amounts recorded in the year following N application were observed in leaves and fruits (annual organs) and thick roots (perennial organ), mainly when N was splitted. However, mainly in the year following its application, due to the small residual N,... Mostrar Tudo |
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Palavras-Chave: |
15N isotope; Fruit farming; N distribution; N fertilization; Orchard. |
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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/doc/1144667/1/Paula-2021-110099.pdf
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Marc: |
LEADER 02698naa a2200301 a 4500
001 2144667
005 2022-07-14
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/J.SCIENTA.2021.110099$2DOI
100 1 $aPAULA, B. V. de
245 $aAnnual and residual urea nitrogen contribution to the nutrition of peach trees (Prunus persica L.) grown under subtropical climate.$h[electronic resource]
260 $c2021
520 $aNitrogen (N) fertilizers such as urea are applied to peach orchards worldwide whenever the soil cannot meet plants? N demand. However, the actual nutritional contribution of different N supply modes applied to peach crops, or the contribution of residual N in the subsequent cycle, is yet to be fully known. The current study aims to assess the annual and residual urea N contribution to the nutrition of peach trees grown under subtropical climate. Forty kilograms of N per hectare supplied as enriched urea (3.0 at. % 15N), were applied to peach in full production at a single rate (100 % at budding) or split in two rates (50 % at budding and 50 % at flowering). Total 15N and N concentrations in the application year and in the year after treatments were assessed in peach leaves throughout the cycle, in fruits (pulp and stone) at harvest and in stratified soil samples. Total 15N, N concentrations and total dry mass were measured in annual and perennial tree organs in the year after treatment application. Peach trees evidenced higher N deriving from fertilizer (NDFF) in leaves and fruits (pulp and stone) in the year N was applied to the soil, as well as in the following year when N application was split into two rates. The highest NDFF amounts recorded in the year following N application were observed in leaves and fruits (annual organs) and thick roots (perennial organ), mainly when N was splitted. However, mainly in the year following its application, due to the small residual N, the N found in trees derived from sources other than N fertilizer; this justifies annual N applications, whenever necessary. The cultivation of cover crops and the preservation of organic matter could help N peach nutrition that seems to take advantage more of residual N in soil than on fertilizers.
653 $a15N isotope
653 $aFruit farming
653 $aN distribution
653 $aN fertilization
653 $aOrchard
700 1 $aVITTO, B. B.
700 1 $aSETE, P. B.
700 1 $aTRAPP, T.
700 1 $aZALAMENA, J.
700 1 $aMELO, G. W. B. de
700 1 $aBALDI, E.
700 1 $aTOSELLI, M.
700 1 $aROZANE, D. E.
700 1 $aBRUNETTO, G.
773 $tScientia Horticulturae$gv. 284, e-110099, 2021.
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Registro original: |
Embrapa Uva e Vinho (CNPUV) |
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Biblioteca(s): |
Embrapa Amapá; Embrapa Amazônia Ocidental. |
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Data corrente: |
08/12/2020 |
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Data da última atualização: |
31/03/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
GONZALES, A. P. P. F.; YOSHIOKA, E. T. O.; MATHEWS, P. D.; MERTINS, O.; CHAVES, F. C. M.; VIDEIRA, M. N.; TAVARES-DIAS, M. |
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Afiliação: |
ANAI PAOLA PRISSILLA FLORES GONZALES, UNIFAP. PPG em Biodiversidade Tropical; ELIANE TIE OBA YOSHIOKA, CPAF-AP; PATRICK DELGADO MATHEWS, USP; OMAR MERTINS, UNIFESP; FRANCISCO CELIO MAIA CHAVES, CPAA; MARCELA NUNES VIDEIRA, UEAP; MARCOS TAVARES DIAS, CPAF-AP. |
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Título: |
Anthelminthic efficacy of Cymbopogon citratus essential oil (Poaceae) against monogenean parasites of Colossoma macropomum (Serrasalmidae), and blood and histopathological effects. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Aquaculture, v. 528, p. 1-8, Nov. 2020. |
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Idioma: |
Inglês |
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Conteúdo: |
This study investigated the in vitro and in vivo anthelminthic efficacy, histopathological and hematological effects of Cymbopogon citratus essential oil (EO) in Colossoma macropomum. The major compounds of the essential oil were geranial (45.7%) and neral (33.9%). Essential oil was assayed at concentrations of 100, 200, 300, 400 and 500 mg L?1 for in vitro efficacy against monogeneans Anacanthorus spathulatus, Mymarothecium boegeri and Notozothecium janauachensis of C. macropomum. Two controls were considered for in vitro assays, one with the use of cultivation tank water and the other with cultivation tank water +70% alcohol. The concentration of 500 mg L?1 of the EO in vitro assays showed 100% efficacy against the parasites within 5 min of exposure, causing structural damages to their tegument. The 400 and 300 mg L?1 concentrations were 100% effective with 10 min and 30 min of exposure, respectively. The 200 mg L?1 concentration in vitro assays was also 100% effective within 30 min and the 100 mg L?1 treatment was 100% effective within 100 min of exposure. Total parasite mortality in both control groups occurred within 7 h. Efficacy was 47.1% after therapeutic baths of 20 min for three consecutive days with 60 mg L?1 of this EO. In addition, 60 mg L?1 of EO was the highest concentration tolerated by the fish and it had an anesthetic effect, and it caused increase in plasma glucose levels and decrease in leukocytes and lymphocytes number, as well as hyperplasia, lamellar fusion, detachment and aneurysm in C. macropomum gills. A low efficacy against the monogeneans was shown perhaps due to the low concentration of this EO tolerated by C. macropomum and the strategy used for the therapeutic baths, which may be corrected with a lower concentration of EO and more consecutive days for therapeutic baths. MenosThis study investigated the in vitro and in vivo anthelminthic efficacy, histopathological and hematological effects of Cymbopogon citratus essential oil (EO) in Colossoma macropomum. The major compounds of the essential oil were geranial (45.7%) and neral (33.9%). Essential oil was assayed at concentrations of 100, 200, 300, 400 and 500 mg L?1 for in vitro efficacy against monogeneans Anacanthorus spathulatus, Mymarothecium boegeri and Notozothecium janauachensis of C. macropomum. Two controls were considered for in vitro assays, one with the use of cultivation tank water and the other with cultivation tank water +70% alcohol. The concentration of 500 mg L?1 of the EO in vitro assays showed 100% efficacy against the parasites within 5 min of exposure, causing structural damages to their tegument. The 400 and 300 mg L?1 concentrations were 100% effective with 10 min and 30 min of exposure, respectively. The 200 mg L?1 concentration in vitro assays was also 100% effective within 30 min and the 100 mg L?1 treatment was 100% effective within 100 min of exposure. Total parasite mortality in both control groups occurred within 7 h. Efficacy was 47.1% after therapeutic baths of 20 min for three consecutive days with 60 mg L?1 of this EO. In addition, 60 mg L?1 of EO was the highest concentration tolerated by the fish and it had an anesthetic effect, and it caused increase in plasma glucose levels and decrease in leukocytes and lymphocytes number, as well as hyperplasia, lamellar f... Mostrar Tudo |
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Palavras-Chave: |
Therapeutic baths. |
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Thesagro: |
Aquicultura; Hematologia. |
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Thesaurus NAL: |
Aquaculture; Blood; Phytotherapy. |
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Categoria do assunto: |
S Ciências Biológicas |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/218951/1/CPAF-AP-2020-Anthelminthic-efficacy-of-Cymbopogon.pdf
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Marc: |
LEADER 02665naa a2200265 a 4500
001 2127835
005 2021-03-31
008 2020 bl uuuu u00u1 u #d
100 1 $aGONZALES, A. P. P. F.
245 $aAnthelminthic efficacy of Cymbopogon citratus essential oil (Poaceae) against monogenean parasites of Colossoma macropomum (Serrasalmidae), and blood and histopathological effects.$h[electronic resource]
260 $c2020
520 $aThis study investigated the in vitro and in vivo anthelminthic efficacy, histopathological and hematological effects of Cymbopogon citratus essential oil (EO) in Colossoma macropomum. The major compounds of the essential oil were geranial (45.7%) and neral (33.9%). Essential oil was assayed at concentrations of 100, 200, 300, 400 and 500 mg L?1 for in vitro efficacy against monogeneans Anacanthorus spathulatus, Mymarothecium boegeri and Notozothecium janauachensis of C. macropomum. Two controls were considered for in vitro assays, one with the use of cultivation tank water and the other with cultivation tank water +70% alcohol. The concentration of 500 mg L?1 of the EO in vitro assays showed 100% efficacy against the parasites within 5 min of exposure, causing structural damages to their tegument. The 400 and 300 mg L?1 concentrations were 100% effective with 10 min and 30 min of exposure, respectively. The 200 mg L?1 concentration in vitro assays was also 100% effective within 30 min and the 100 mg L?1 treatment was 100% effective within 100 min of exposure. Total parasite mortality in both control groups occurred within 7 h. Efficacy was 47.1% after therapeutic baths of 20 min for three consecutive days with 60 mg L?1 of this EO. In addition, 60 mg L?1 of EO was the highest concentration tolerated by the fish and it had an anesthetic effect, and it caused increase in plasma glucose levels and decrease in leukocytes and lymphocytes number, as well as hyperplasia, lamellar fusion, detachment and aneurysm in C. macropomum gills. A low efficacy against the monogeneans was shown perhaps due to the low concentration of this EO tolerated by C. macropomum and the strategy used for the therapeutic baths, which may be corrected with a lower concentration of EO and more consecutive days for therapeutic baths.
650 $aAquaculture
650 $aBlood
650 $aPhytotherapy
650 $aAquicultura
650 $aHematologia
653 $aTherapeutic baths
700 1 $aYOSHIOKA, E. T. O.
700 1 $aMATHEWS, P. D.
700 1 $aMERTINS, O.
700 1 $aCHAVES, F. C. M.
700 1 $aVIDEIRA, M. N.
700 1 $aTAVARES-DIAS, M.
773 $tAquaculture$gv. 528, p. 1-8, Nov. 2020.
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Embrapa Amapá (CPAF-AP) |
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