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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
07/10/2019 |
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Data da última atualização: |
07/10/2019 |
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Autoria: |
CANTUARIAS-AVILÉS, T.; SILVA, S. R. da; ANGOLINI, S. F.; BROGIO, B. do A.; BAPTISTA, E. G. |
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Afiliação: |
Tatiana Cantuarias-Avilés, Universidade de São Paulo - USP/Escola Superior de Agricultura Luiz de Queiroz - ESALQ/Departamento de Produção Vegetal; Simone Rodrigues da Silva, Universidade de São Paulo - USP/Escola Superior de Agricultura Luiz de Queiroz - ESALQ/Departamento de Produção Vegetal; Sérgio Figueiredo Angolini, Universidade de São Paulo - USP/Escola Superior de Agricultura Luiz de Queiroz - ESALQ/Departamento de Produção Vegetal; Bruna do Amaral Brogio, Universidade de São Paulo - USP/Escola Superior de Agricultura Luiz de Queiroz - ESALQ/Departamento de Produção Vegetal; Edypol Guilherme Baptista, Universidade de São Paulo - USP/Escola Superior de Agricultura Luiz de Queiroz - ESALQ/Departamento de Produção Vegetal. |
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Título: |
Water status and productivityof 'Hass' avocado trees in response to supplemental irrigation during winter. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, v. 54, e00237, 2019. |
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Idioma: |
Português |
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Notas: |
Título em português: Estado hídrico e produtividade de abacateiros 'Hass' em resposta à irrigação suplementar invernal. |
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Conteúdo: |
The objective of this work was to evaluate the effects of supplemental irrigation, during winter dry season, on the water status and productivity of 'Hass' avocado (Persea Americana) trees. The experiment was carried out on a clayey Oxisol from 2014 to 2016, when extreme climatic events were recorded in the state of São Paulo, Brazil. The rainfed regime was compared with two irrigation regimes, applied during the whole and half of the irrigation run time defined by the grower, corresponding to 5,091 and 2,545 m3 ha-1 water, respectively. The following variables were evaluated: soil water tension; leaf water potential, color, and chlorophyll content; leaf and fruit abscission rates; tree size; and fruit size and yield. Supplemental irrigation applied during half of the run time increased fruit yield by 18.2%. However, irrigation applied during a fixed-time period and the occurrence of unusual rainfall spells caused soil water logging, negatively affecting tree growth and water status. |
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Palavras-Chave: |
Canopy volume; Chlorophyll content; Conteúdo de clorofila; Eficiência produtiva; Encharcamento; Fixedtime irrigation; Irrigação por tempo fixo; Volume de copa; Water logging; Yield efficiency. |
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Thesagro: |
Persea Americana. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/202615/1/Water-status-and-productivityof.pdf
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Marc: |
LEADER 02067naa a2200313 a 4500
001 2112826
005 2019-10-07
008 2019 bl uuuu u00u1 u #d
100 1 $aCANTUARIAS-AVILÉS, T.
245 $aWater status and productivityof 'Hass' avocado trees in response to supplemental irrigation during winter.$h[electronic resource]
260 $c2019
500 $aTítulo em português: Estado hídrico e produtividade de abacateiros 'Hass' em resposta à irrigação suplementar invernal.
520 $aThe objective of this work was to evaluate the effects of supplemental irrigation, during winter dry season, on the water status and productivity of 'Hass' avocado (Persea Americana) trees. The experiment was carried out on a clayey Oxisol from 2014 to 2016, when extreme climatic events were recorded in the state of São Paulo, Brazil. The rainfed regime was compared with two irrigation regimes, applied during the whole and half of the irrigation run time defined by the grower, corresponding to 5,091 and 2,545 m3 ha-1 water, respectively. The following variables were evaluated: soil water tension; leaf water potential, color, and chlorophyll content; leaf and fruit abscission rates; tree size; and fruit size and yield. Supplemental irrigation applied during half of the run time increased fruit yield by 18.2%. However, irrigation applied during a fixed-time period and the occurrence of unusual rainfall spells caused soil water logging, negatively affecting tree growth and water status.
650 $aPersea Americana
653 $aCanopy volume
653 $aChlorophyll content
653 $aConteúdo de clorofila
653 $aEficiência produtiva
653 $aEncharcamento
653 $aFixedtime irrigation
653 $aIrrigação por tempo fixo
653 $aVolume de copa
653 $aWater logging
653 $aYield efficiency
700 1 $aSILVA, S. R. da
700 1 $aANGOLINI, S. F.
700 1 $aBROGIO, B. do A.
700 1 $aBAPTISTA, E. G.
773 $tPesquisa Agropecuária Brasileira$gv. 54, e00237, 2019.
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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