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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
10/11/2017 |
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Data da última atualização: |
23/11/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SOUZA, P. U.; LIMA, L. K. S.; SOARES, T. L.; JESUS, O. N. de; COELHO FILHO, M. A.; GIRARDI, E. A. |
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Afiliação: |
PLÁCIDO ULISSES SOUZA, UFRB; LUCAS KENNEDDY SILVA LIMA, UFRB; TALIANE LEILA SOARES, UFRB; ONILDO NUNES DE JESUS, CNPMF; MAURICIO ANTONIO COELHO FILHO, CNPMF; EDUARDO AUGUSTO GIRARDI, CNPMF. |
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Título: |
Biometric, physiological and anatomical responses of Passiflora spp. to controlled water deficit. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Scientia Horticulturae, v. 229, p. 77-90, February 2018. |
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Idioma: |
Inglês |
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Conteúdo: |
The species of passion fruit (Passiflora spp.) are cultivated commercially for food, medicinal and ornamental purposes, especially in tropical regions of the planet subject to intense seasonal drought. This study assessed biometric, physiological, and anatomical responses of P. edulis, P. gibertii, P. cincinnata, P. alata and P. setacea to controlled water deficit. Seedlings with five months of age were subjected to soil water deficit imposed by irrigation suspension until the complete stomatal closure. All assessed species were susceptible to water deficit, with 50?75% reduction in vegetative growth, even though distinct mechanisms of coexistence with this stress were demonstrated by the evaluated genotypes. P. gibertii and P. edulis showed vigorous growth, quick closing and stomatal opening in response to soil water content, the first being more efficient in extracting water from the substrate even with lowest soil water storage. The effects of water deficit were postponed in P. setacea and P. cincinnata, which showed reduced leaf area and stomatal conductance even under irrigation, particularly in P. setacea. P. alata showed large leaf area but lower stomatal conductance and decreased root system by irrigation suspension. P. alata was the species that showed the most anatomical changes resulting from water deficit, such as reductions in the thickness of the leaf blade, adaxial epidermis, palisade parenchyma, and spongy parenchyma. On the other hand, P. setacea was the species that showed greatest ability to survive under water restriction due to tolerate prolonged drought periods with minor anatomical changes when compared to the control. MenosThe species of passion fruit (Passiflora spp.) are cultivated commercially for food, medicinal and ornamental purposes, especially in tropical regions of the planet subject to intense seasonal drought. This study assessed biometric, physiological, and anatomical responses of P. edulis, P. gibertii, P. cincinnata, P. alata and P. setacea to controlled water deficit. Seedlings with five months of age were subjected to soil water deficit imposed by irrigation suspension until the complete stomatal closure. All assessed species were susceptible to water deficit, with 50?75% reduction in vegetative growth, even though distinct mechanisms of coexistence with this stress were demonstrated by the evaluated genotypes. P. gibertii and P. edulis showed vigorous growth, quick closing and stomatal opening in response to soil water content, the first being more efficient in extracting water from the substrate even with lowest soil water storage. The effects of water deficit were postponed in P. setacea and P. cincinnata, which showed reduced leaf area and stomatal conductance even under irrigation, particularly in P. setacea. P. alata showed large leaf area but lower stomatal conductance and decreased root system by irrigation suspension. P. alata was the species that showed the most anatomical changes resulting from water deficit, such as reductions in the thickness of the leaf blade, adaxial epidermis, palisade parenchyma, and spongy parenchyma. On the other hand, P. setacea was the spe... Mostrar Tudo |
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Palavras-Chave: |
Passion fruit. |
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Thesagro: |
Maracujá. |
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Categoria do assunto: |
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Marc: |
LEADER 02284naa a2200205 a 4500
001 2079434
005 2017-11-23
008 2018 bl uuuu u00u1 u #d
100 1 $aSOUZA, P. U.
245 $aBiometric, physiological and anatomical responses of Passiflora spp. to controlled water deficit.$h[electronic resource]
260 $c2018
520 $aThe species of passion fruit (Passiflora spp.) are cultivated commercially for food, medicinal and ornamental purposes, especially in tropical regions of the planet subject to intense seasonal drought. This study assessed biometric, physiological, and anatomical responses of P. edulis, P. gibertii, P. cincinnata, P. alata and P. setacea to controlled water deficit. Seedlings with five months of age were subjected to soil water deficit imposed by irrigation suspension until the complete stomatal closure. All assessed species were susceptible to water deficit, with 50?75% reduction in vegetative growth, even though distinct mechanisms of coexistence with this stress were demonstrated by the evaluated genotypes. P. gibertii and P. edulis showed vigorous growth, quick closing and stomatal opening in response to soil water content, the first being more efficient in extracting water from the substrate even with lowest soil water storage. The effects of water deficit were postponed in P. setacea and P. cincinnata, which showed reduced leaf area and stomatal conductance even under irrigation, particularly in P. setacea. P. alata showed large leaf area but lower stomatal conductance and decreased root system by irrigation suspension. P. alata was the species that showed the most anatomical changes resulting from water deficit, such as reductions in the thickness of the leaf blade, adaxial epidermis, palisade parenchyma, and spongy parenchyma. On the other hand, P. setacea was the species that showed greatest ability to survive under water restriction due to tolerate prolonged drought periods with minor anatomical changes when compared to the control.
650 $aMaracujá
653 $aPassion fruit
700 1 $aLIMA, L. K. S.
700 1 $aSOARES, T. L.
700 1 $aJESUS, O. N. de
700 1 $aCOELHO FILHO, M. A.
700 1 $aGIRARDI, E. A.
773 $tScientia Horticulturae$gv. 229, p. 77-90, February 2018.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
13/08/2021 |
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Data da última atualização: |
13/08/2021 |
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Autoria: |
OSAKI, M.; BARROS, G. S. de C.; ADAMI, A. C. de O.; ALVES, L. R. A.; MIRANDA, S. H. G. de. |
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Afiliação: |
MAURO OSAKI, Cepea/Esalq/USP; GERALDO SANT'ANA DE CAMARGO BARROS, Cepea/Esalq/USP; ANDRÉIA CRISTINA DE OLIVEIRA ADAMI, Cepea/Esalq/USP; LUCILIO ROGERIO APARECIDO ALVES, Esalq/USP; SILVIA HELENA GALVÃO DE MIRANDA, Esalq/USP. |
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Título: |
An economic evaluation of agrochemicals use in two Brazilian major crops. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Revista de Política Agrícola, ano 30, n. 2, p. 118-132, abr./maio/jun. 2021. |
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Idioma: |
Inglês |
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Conteúdo: |
This research quantified the economic importance of pest and disease control for agricultural producers in Brazil. The probable economic losses that would result if agrochemicals were not applied to control the observed infestations was evaluated by means of simulations based on experimental data and economic models. Every crop management practices were assumed to be maintained except those related to the use of the agrochemical in question. Primary data from 31 representative producing regions in 14 Brazilian states were used for three harvests seasons of soybeans and corn (2014/2015, 2015/2016 and 2016/2017). The question was: how would observed producers? costs, revenues and profits change if the control of one of the observed pest or disease was suppressed, taking into account the likely rise in market prices that the reduction in supply would cause? The results indicate that the lack of pest and disease control could cause substantial economic losses to producers. For instance, failure to treat soybean rust in 2016/2017 would result in farmers? loss of more than US$ 3.7 billion, because observed aggregate profit of US$2.63 billion would turn into a loss of US$ 1.06 billion. No control of the Spodoptera caterpillar would transform observed soybean farmers? profit of US$2.63 billion into a loss of US$0.46 billion, thus totaling a profitability loss of US$3.08 billion. Avaliação econômica do uso de agroquímicos em duas grandes lavouras brasileira de grãos Esta pesquisa quantificou a importância econômica do controle de pragas e doenças para os produtores agrícolas no Brasil. As prováveis perdas econômicas sem a aplicação de agroquímicos para controlar as infestações observadas foram avaliadas por simulações baseadas em dados experimentais e modelos econômicos. Nas simulações, todas as práticas de manejo foram mantidas, exceto aquelas relacionadas ao uso do agroquímico em questão. Especificamente, os casos das safras de soja e milho em 2014/2015, 2015/2016 e 2016/2017 foram examinados com dados primários de 31 regiões representativas de produção em 14 estados brasileiros. A pergunta foi esta: como mudariam os custos, receitas e lucros dos produtores observados se o controle de uma praga ou doença observada fosse suprimido, considerando o provável aumento dos preços de mercado que a redução na oferta causaria? Os resultados indicam que a falta de controle de pragas e doenças pode causar perdas substanciais na lucratividade dos produtores. O não tratamento da ferrugem da soja em 2016/2017, por exemplo, resultaria em perda de lucratividade de mais de US$ 3,7 bilhões, já que o lucro agregado observado de US$ 2,63 bilhões se transformaria em uma perda de US$ 1,06 bilhão. A falta de controle da lagarta Spodoptera transformaria o lucro observado dos agricultores de soja de US$ 2,63 bilhões em uma perda de US$ 0,46 bilhão, totalizando assim uma perda de lucratividade de US$ 3,08 bilhões. MenosThis research quantified the economic importance of pest and disease control for agricultural producers in Brazil. The probable economic losses that would result if agrochemicals were not applied to control the observed infestations was evaluated by means of simulations based on experimental data and economic models. Every crop management practices were assumed to be maintained except those related to the use of the agrochemical in question. Primary data from 31 representative producing regions in 14 Brazilian states were used for three harvests seasons of soybeans and corn (2014/2015, 2015/2016 and 2016/2017). The question was: how would observed producers? costs, revenues and profits change if the control of one of the observed pest or disease was suppressed, taking into account the likely rise in market prices that the reduction in supply would cause? The results indicate that the lack of pest and disease control could cause substantial economic losses to producers. For instance, failure to treat soybean rust in 2016/2017 would result in farmers? loss of more than US$ 3.7 billion, because observed aggregate profit of US$2.63 billion would turn into a loss of US$ 1.06 billion. No control of the Spodoptera caterpillar would transform observed soybean farmers? profit of US$2.63 billion into a loss of US$0.46 billion, thus totaling a profitability loss of US$3.08 billion. Avaliação econômica do uso de agroquímicos em duas grandes lavouras brasileira de grãos Esta pesquisa qua... Mostrar Tudo |
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Thesagro: |
Controle Químico; Grão; Perda da Produção. |
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Thesaurus NAL: |
Agrochemicals; Grain products; Pest management. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/225167/1/Avaliacao-economica-do-uso.pdf
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Marc: |
LEADER 03694naa a2200241 a 4500
001 2133554
005 2021-08-13
008 2021 bl uuuu u00u1 u #d
100 1 $aOSAKI, M.
245 $aAn economic evaluation of agrochemicals use in two Brazilian major crops.$h[electronic resource]
260 $c2021
520 $aThis research quantified the economic importance of pest and disease control for agricultural producers in Brazil. The probable economic losses that would result if agrochemicals were not applied to control the observed infestations was evaluated by means of simulations based on experimental data and economic models. Every crop management practices were assumed to be maintained except those related to the use of the agrochemical in question. Primary data from 31 representative producing regions in 14 Brazilian states were used for three harvests seasons of soybeans and corn (2014/2015, 2015/2016 and 2016/2017). The question was: how would observed producers? costs, revenues and profits change if the control of one of the observed pest or disease was suppressed, taking into account the likely rise in market prices that the reduction in supply would cause? The results indicate that the lack of pest and disease control could cause substantial economic losses to producers. For instance, failure to treat soybean rust in 2016/2017 would result in farmers? loss of more than US$ 3.7 billion, because observed aggregate profit of US$2.63 billion would turn into a loss of US$ 1.06 billion. No control of the Spodoptera caterpillar would transform observed soybean farmers? profit of US$2.63 billion into a loss of US$0.46 billion, thus totaling a profitability loss of US$3.08 billion. Avaliação econômica do uso de agroquímicos em duas grandes lavouras brasileira de grãos Esta pesquisa quantificou a importância econômica do controle de pragas e doenças para os produtores agrícolas no Brasil. As prováveis perdas econômicas sem a aplicação de agroquímicos para controlar as infestações observadas foram avaliadas por simulações baseadas em dados experimentais e modelos econômicos. Nas simulações, todas as práticas de manejo foram mantidas, exceto aquelas relacionadas ao uso do agroquímico em questão. Especificamente, os casos das safras de soja e milho em 2014/2015, 2015/2016 e 2016/2017 foram examinados com dados primários de 31 regiões representativas de produção em 14 estados brasileiros. A pergunta foi esta: como mudariam os custos, receitas e lucros dos produtores observados se o controle de uma praga ou doença observada fosse suprimido, considerando o provável aumento dos preços de mercado que a redução na oferta causaria? Os resultados indicam que a falta de controle de pragas e doenças pode causar perdas substanciais na lucratividade dos produtores. O não tratamento da ferrugem da soja em 2016/2017, por exemplo, resultaria em perda de lucratividade de mais de US$ 3,7 bilhões, já que o lucro agregado observado de US$ 2,63 bilhões se transformaria em uma perda de US$ 1,06 bilhão. A falta de controle da lagarta Spodoptera transformaria o lucro observado dos agricultores de soja de US$ 2,63 bilhões em uma perda de US$ 0,46 bilhão, totalizando assim uma perda de lucratividade de US$ 3,08 bilhões.
650 $aAgrochemicals
650 $aGrain products
650 $aPest management
650 $aControle Químico
650 $aGrão
650 $aPerda da Produção
700 1 $aBARROS, G. S. de C.
700 1 $aADAMI, A. C. de O.
700 1 $aALVES, L. R. A.
700 1 $aMIRANDA, S. H. G. de
773 $tRevista de Política Agrícola, ano 30$gn. 2, p. 118-132, abr./maio/jun. 2021.
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