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Registro Completo |
Biblioteca(s): |
Embrapa Semiárido. |
Data corrente: |
22/06/2023 |
Data da última atualização: |
22/06/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
SIMOES, W. L.; PEREIRA, K. M.; SILVA, J. S. da; MESQUITA, A. C.; MOUCO, M. A. do C.; TORRES JÚNIOR, V. G.; BARBOSA, K. V. F.; SOBRAL, Y. R. A. |
Afiliação: |
WELSON LIMA SIMOES, CPATSA; KALLINE MENDES FERREIRA, UNEB; JUCICLÉIA SOARES DA SILVA; ALESSANDRO CARLOS MESQUITA, UNEB; MARIA APARECIDA DO CARMO MOUCO, CPATSA; VINICIUS GONÇALVES TORRES JUNIOR, UPE; KAIO VINICIUS FERNANDES BARBOSA, UPE; YURI RAFAEL ALVES SOBRAL. |
Título: |
Plant growth regulator via micro-sprinkler for Palmer mango floral induction in Brazilian semi-arid region. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Comunicata Scientiae, v. 14, 2023. |
ISSN: |
2177-5133 |
DOI: |
https://doi.org/10.14295/CS.v14.3946 |
Idioma: |
Inglês |
Conteúdo: |
Application of the plant growth regulator paclobutrazol (PBZ) to aid floral induction has been widely performed by mango producers. However, its application has been done manually, resulting in low uniformity of application and losses with labor. The objective of this study was to adjust the PBZ dose to be applied via micro-sprinkler system for floral induction, indicating an efficient management of ?Palmer? mango in the Brazilian semi-arid region. The experiment was conducted at Saúde Farm, located in Petrolina-PE, Brazil, starting in October 2015, with harvests in June 2016 and 2017. The experimental design used was randomized blocks, with five doses of PBZ, applied via irrigation system (T1 - 0.56; T2 - 1.12; T3 -1.68; T4 - 2.24; and T5 - 2.80 g a.i. linear m-1 canopy) and a conventionally applied dose (T0 - 2.80 g a.i. linear m-1 of canopy, manually applied broadcast), with four replicates. The variables analyzed were: CO2 assimilation, stomatal conductance, transpiration, leaf temperature, number and length of panicles, number of fruits per plant, average fruit weight, yield, pulp firmness, titratable acidity and total soluble solids in the fruits. At the conventionally applied dose (2.8 g a.i. linear m-1 of canopy), PBZ application via micro-sprinkler irrigation system proved to be the most efficient way to reduce CO2 assimilation, stomatal conductance and transpiration. PBZ applied via micro-sprinkler irrigation system at a dose of 0.56 g a.i. linear m-1 of canopy promotes greater number of panicles and yield in ?Palmer? mango. MenosApplication of the plant growth regulator paclobutrazol (PBZ) to aid floral induction has been widely performed by mango producers. However, its application has been done manually, resulting in low uniformity of application and losses with labor. The objective of this study was to adjust the PBZ dose to be applied via micro-sprinkler system for floral induction, indicating an efficient management of ?Palmer? mango in the Brazilian semi-arid region. The experiment was conducted at Saúde Farm, located in Petrolina-PE, Brazil, starting in October 2015, with harvests in June 2016 and 2017. The experimental design used was randomized blocks, with five doses of PBZ, applied via irrigation system (T1 - 0.56; T2 - 1.12; T3 -1.68; T4 - 2.24; and T5 - 2.80 g a.i. linear m-1 canopy) and a conventionally applied dose (T0 - 2.80 g a.i. linear m-1 of canopy, manually applied broadcast), with four replicates. The variables analyzed were: CO2 assimilation, stomatal conductance, transpiration, leaf temperature, number and length of panicles, number of fruits per plant, average fruit weight, yield, pulp firmness, titratable acidity and total soluble solids in the fruits. At the conventionally applied dose (2.8 g a.i. linear m-1 of canopy), PBZ application via micro-sprinkler irrigation system proved to be the most efficient way to reduce CO2 assimilation, stomatal conductance and transpiration. PBZ applied via micro-sprinkler irrigation system at a dose of 0.56 g a.i. linear m-1 of canopy pro... Mostrar Tudo |
Palavras-Chave: |
Indução floral; Microaspersor; PBZ; Semiárido; Variedade Palmer. |
Thesagro: |
Fisiologia Vegetal; Manga; Mangifera Indica; Regulador de Crescimento. |
Thesaurus Nal: |
Growth regulators; Mangoes; Paclobutrazol; Physiology; Plant physiology. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1154568/1/Plant-growth-regulator-via-micro-sprinkler-for-Palmer-mango-floral-induction-in-Brazilian-semi-arid-region-2023.pdf
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Marc: |
LEADER 02690naa a2200397 a 4500 001 2154568 005 2023-06-22 008 2023 bl uuuu u00u1 u #d 022 $a2177-5133 024 7 $ahttps://doi.org/10.14295/CS.v14.3946$2DOI 100 1 $aSIMOES, W. L. 245 $aPlant growth regulator via micro-sprinkler for Palmer mango floral induction in Brazilian semi-arid region.$h[electronic resource] 260 $c2023 520 $aApplication of the plant growth regulator paclobutrazol (PBZ) to aid floral induction has been widely performed by mango producers. However, its application has been done manually, resulting in low uniformity of application and losses with labor. The objective of this study was to adjust the PBZ dose to be applied via micro-sprinkler system for floral induction, indicating an efficient management of ?Palmer? mango in the Brazilian semi-arid region. The experiment was conducted at Saúde Farm, located in Petrolina-PE, Brazil, starting in October 2015, with harvests in June 2016 and 2017. The experimental design used was randomized blocks, with five doses of PBZ, applied via irrigation system (T1 - 0.56; T2 - 1.12; T3 -1.68; T4 - 2.24; and T5 - 2.80 g a.i. linear m-1 canopy) and a conventionally applied dose (T0 - 2.80 g a.i. linear m-1 of canopy, manually applied broadcast), with four replicates. The variables analyzed were: CO2 assimilation, stomatal conductance, transpiration, leaf temperature, number and length of panicles, number of fruits per plant, average fruit weight, yield, pulp firmness, titratable acidity and total soluble solids in the fruits. At the conventionally applied dose (2.8 g a.i. linear m-1 of canopy), PBZ application via micro-sprinkler irrigation system proved to be the most efficient way to reduce CO2 assimilation, stomatal conductance and transpiration. PBZ applied via micro-sprinkler irrigation system at a dose of 0.56 g a.i. linear m-1 of canopy promotes greater number of panicles and yield in ?Palmer? mango. 650 $aGrowth regulators 650 $aMangoes 650 $aPaclobutrazol 650 $aPhysiology 650 $aPlant physiology 650 $aFisiologia Vegetal 650 $aManga 650 $aMangifera Indica 650 $aRegulador de Crescimento 653 $aIndução floral 653 $aMicroaspersor 653 $aPBZ 653 $aSemiárido 653 $aVariedade Palmer 700 1 $aPEREIRA, K. M. 700 1 $aSILVA, J. S. da 700 1 $aMESQUITA, A. C. 700 1 $aMOUCO, M. A. do C. 700 1 $aTORRES JÚNIOR, V. G. 700 1 $aBARBOSA, K. V. F. 700 1 $aSOBRAL, Y. R. A. 773 $tComunicata Scientiae$gv. 14, 2023.
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Embrapa Semiárido (CPATSA) |
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Registro Completo
Biblioteca(s): |
Embrapa Instrumentação. |
Data corrente: |
30/03/2022 |
Data da última atualização: |
30/03/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
CORRÊA, A. C.; CAMPOS, A. de; CLARO, P. I. C.; GUIMARÃES, G. G. F.; MATTOSO, L. H. C.; MARCONCINI, J. M. |
Afiliação: |
LUIZ HENRIQUE CAPPARELLI MATTOSO, CNPDIA; JOSE MANOEL MARCONCINI, CNPDIA. |
Título: |
Biodegradability and nutrients release of thermoplastic starch and poly (Epsilon-caprolactone) blends for agricultural uses. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
Carbohydrate Polymers, v. 282, 119058, 2022. |
Páginas: |
1 - 12 |
ISSN: |
0144-8617 |
DOI: |
https://doi.org/10.1016/j.carbpol.2021.119058 |
Idioma: |
Inglês |
Conteúdo: |
Driven by the environmental stress caused by plastics, the interest on eco-friendly polymers has attracted the attention of researchers and industry. Thermoplastic starch (TPS) and poly (ε-caprolactone) (PCL) blends are good examples of sustainable material, exhibiting synergism between economic viability and properties. However, its biodegradability aligned to nutrients release has been less explored in agricultural applications. Herein, it is proposed the investigation of biodegradability of urea plasticized TPS and PCL blends, compatibilized with PCL grafted with maleic anhydride (PCL-g-MA), aiming fertilizers and sustainable agricultural products. The blends were prepared in a twin-screw extruder using a flat film die. The mechanical, thermal, morphological, and physical properties of TPS-PCL films were characterized, including biodegradation analysis via Bartha respirometer and nitrogen release in the soil. The films presented biodegradability and nitrogen release as a function of TPS content on blends formulation, presenting flexibility and robust mechanical properties. These findings may open a way of multifunctional agricultural products applied as fertilizer materials through economical and sustainable mulching films. |
Palavras-Chave: |
Biodegradable blends; Nitrogen release; Sustainable films. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02054naa a2200253 a 4500 001 2141594 005 2022-03-30 008 2022 bl uuuu u00u1 u #d 022 $a0144-8617 024 7 $ahttps://doi.org/10.1016/j.carbpol.2021.119058$2DOI 100 1 $aCORRÊA, A. C. 245 $aBiodegradability and nutrients release of thermoplastic starch and poly (Epsilon-caprolactone) blends for agricultural uses.$h[electronic resource] 260 $c2022 300 $a1 - 12 520 $aDriven by the environmental stress caused by plastics, the interest on eco-friendly polymers has attracted the attention of researchers and industry. Thermoplastic starch (TPS) and poly (ε-caprolactone) (PCL) blends are good examples of sustainable material, exhibiting synergism between economic viability and properties. However, its biodegradability aligned to nutrients release has been less explored in agricultural applications. Herein, it is proposed the investigation of biodegradability of urea plasticized TPS and PCL blends, compatibilized with PCL grafted with maleic anhydride (PCL-g-MA), aiming fertilizers and sustainable agricultural products. The blends were prepared in a twin-screw extruder using a flat film die. The mechanical, thermal, morphological, and physical properties of TPS-PCL films were characterized, including biodegradation analysis via Bartha respirometer and nitrogen release in the soil. The films presented biodegradability and nitrogen release as a function of TPS content on blends formulation, presenting flexibility and robust mechanical properties. These findings may open a way of multifunctional agricultural products applied as fertilizer materials through economical and sustainable mulching films. 653 $aBiodegradable blends 653 $aNitrogen release 653 $aSustainable films 700 1 $aCAMPOS, A. de 700 1 $aCLARO, P. I. C. 700 1 $aGUIMARÃES, G. G. F. 700 1 $aMATTOSO, L. H. C. 700 1 $aMARCONCINI, J. M. 773 $tCarbohydrate Polymers$gv. 282, 119058, 2022.
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