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Registro Completo |
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Biblioteca(s): |
Embrapa Trigo. |
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Data corrente: |
09/02/2021 |
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Data da última atualização: |
09/02/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
AGOSTINETTO, D.; RUCHEL, Q.; FRAGA, D. S.; VARGAS, A. A. M.; VARGAS, L. |
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Afiliação: |
DIRCEU AGOSTINETTO, Universidade Federal de Pelotas, Pelotas, RS, Brasil. . E-mail: agostinetto.d@gmail.com; queli.ruchel@yahoo.com.br; fragadiegos@gmail.com; QUELI RUCHEL, Universidade Federal de Pelotas, Pelotas, RS, Brasil. . E-mail: agostinetto.d@gmail.com; queli.ruchel@yahoo.com.br; fragadiegos@gmail.com; DIEGO SEVERO FRAGA, Universidade Federal de Pelotas, Pelotas, RS, Brasil. . E-mail: agostinetto.d@gmail.com; queli.ruchel@yahoo.com.br; fragadiegos@gmail.com; ANDRÉS ANTONIO MONGE VARGAS, Universidad de Costa Rica, San Jose, San Pedro, Costa Rica. E-mail: amova11@gmail.com; LEANDRO VARGAS, CNPT. |
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Título: |
Water deficit and plant recovery affect interaction between soybean and slender amaranth. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Revista Brasileira de Ciencias Agrarias, v. 15, p. 1-9, 2020. |
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Idioma: |
Inglês |
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Conteúdo: |
Biotic and abiotic factors such as competition with weeds and water deficit may cause significant losses to soybean productivity. This study aimed at evaluating the effect of water deficit and plant recovery in the interaction between soybean (Glycine max) and slender amaranth (Amaranthus viridis) by using growth variables. A replacement series experiment was performed and treatments were arranged in a factorial scheme; they were composed of two water regimes (field capacity and water deficit (50% of field capacity)) and different soybean and slender amaranth proportions (100:0, 50:50 and 0:100%). Water regimes were applied 20 days after plant transplant. Height, leaf area and shoot dry matter were evaluated in soybean and slender amaranth under field capacity and water deficit, returning to normal irrigation conditions to evaluate the water recovery. Soybean exhibited competitiveness which was equivalent to the slender amaranth, independent of the water regime. Water deficit negatively influenced height, leaf area and shoot dry matter of soybean and slender amaranth. There was a reduction in leaf area and shoot dry matter of soybean after plant recovery caused by the irrigation deficit period. Key words: Amaranthus viridis; competition; Glycine max; replacement series; water stress |
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Palavras-Chave: |
Competition; Replacement series. |
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Thesagro: |
Glycine Max. |
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Thesaurus Nal: |
Amaranthus viridis; Water stress. |
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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/item/221025/1/Agostinetto-2020-e8132.pdf
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Marc: |
LEADER 01973naa a2200229 a 4500
001 2129878
005 2021-02-09
008 2020 bl uuuu u00u1 u #d
100 1 $aAGOSTINETTO, D.
245 $aWater deficit and plant recovery affect interaction between soybean and slender amaranth.$h[electronic resource]
260 $c2020
520 $aBiotic and abiotic factors such as competition with weeds and water deficit may cause significant losses to soybean productivity. This study aimed at evaluating the effect of water deficit and plant recovery in the interaction between soybean (Glycine max) and slender amaranth (Amaranthus viridis) by using growth variables. A replacement series experiment was performed and treatments were arranged in a factorial scheme; they were composed of two water regimes (field capacity and water deficit (50% of field capacity)) and different soybean and slender amaranth proportions (100:0, 50:50 and 0:100%). Water regimes were applied 20 days after plant transplant. Height, leaf area and shoot dry matter were evaluated in soybean and slender amaranth under field capacity and water deficit, returning to normal irrigation conditions to evaluate the water recovery. Soybean exhibited competitiveness which was equivalent to the slender amaranth, independent of the water regime. Water deficit negatively influenced height, leaf area and shoot dry matter of soybean and slender amaranth. There was a reduction in leaf area and shoot dry matter of soybean after plant recovery caused by the irrigation deficit period. Key words: Amaranthus viridis; competition; Glycine max; replacement series; water stress
650 $aAmaranthus viridis
650 $aWater stress
650 $aGlycine Max
653 $aCompetition
653 $aReplacement series
700 1 $aRUCHEL, Q.
700 1 $aFRAGA, D. S.
700 1 $aVARGAS, A. A. M.
700 1 $aVARGAS, L.
773 $tRevista Brasileira de Ciencias Agrarias$gv. 15, p. 1-9, 2020.
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Registro original: |
Embrapa Trigo (CNPT) |
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Biblioteca |
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Registro |
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URL |
Voltar
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
19/12/2012 |
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Data da última atualização: |
09/02/2024 |
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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: |
AUAD, A. M.; RESENDE, T. T. de; SILVA, D. M. DA; FONSECA, M. DAS G. |
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Afiliação: |
ALEXANDER MACHADO AUAD, CNPGL; TIAGO TEIXEIRA DE RESENDE, CNPGL; DANIELA MARIA DA SILVA, UFLA; MARCY DAS GRAÇAS FONSECA, UFLA. |
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Título: |
Hymenoptera (insecta: imnoptera) associated with silvipastoral systems. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Agroforest Systems, v. 85, p. 113-119, 2012. |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this work was to estimate the abundance, diversity and constancy of families from the order Hymenoptera, such as the seasonality of those through a survey on the insect population in a silvopastoral system. We installed a Malaise-type trap in a Brachiaria decumbens area managed by a silvopastoral system in Coronel Pacheco, MG, from August 2006 to July 2008. The trapped insects were screened, and those of the order Hymenoptera were classified into their respective family categories and quantified. We adopted the methodology of Bodenheimer to calculate the indices of constancy, while other indices were estimated PAST program. We sampled 5841 specimens in total, which included 549 morphospecies and were distributed among 11 families. Of the total specimens sampled, 80% were Formicidae, which besides being the most abundant, was also the most diverse and constant family. When entomophagous insects were analyzed, the highest values for these indices were recorded for the families Ichneumonidae, Braconidae, and Vespidae. Pollinators were less prevalent compared to the total number of sampled individuals. The population density in the Hymenoptera was not correlated between the two sampling years and climate factors. |
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Palavras-Chave: |
Ants; Population survey. |
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Thesaurus NAL: |
agroforestry; natural enemies; pollinators. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 01850naa a2200217 a 4500
001 1943114
005 2024-02-09
008 2012 bl uuuu u00u1 u #d
100 1 $aAUAD, A. M.
245 $aHymenoptera (insecta$bimnoptera) associated with silvipastoral systems.$h[electronic resource]
260 $c2012
520 $aThe objective of this work was to estimate the abundance, diversity and constancy of families from the order Hymenoptera, such as the seasonality of those through a survey on the insect population in a silvopastoral system. We installed a Malaise-type trap in a Brachiaria decumbens area managed by a silvopastoral system in Coronel Pacheco, MG, from August 2006 to July 2008. The trapped insects were screened, and those of the order Hymenoptera were classified into their respective family categories and quantified. We adopted the methodology of Bodenheimer to calculate the indices of constancy, while other indices were estimated PAST program. We sampled 5841 specimens in total, which included 549 morphospecies and were distributed among 11 families. Of the total specimens sampled, 80% were Formicidae, which besides being the most abundant, was also the most diverse and constant family. When entomophagous insects were analyzed, the highest values for these indices were recorded for the families Ichneumonidae, Braconidae, and Vespidae. Pollinators were less prevalent compared to the total number of sampled individuals. The population density in the Hymenoptera was not correlated between the two sampling years and climate factors.
650 $aagroforestry
650 $anatural enemies
650 $apollinators
653 $aAnts
653 $aPopulation survey
700 1 $aRESENDE, T. T. de
700 1 $aSILVA, D. M. DA
700 1 $aFONSECA, M. DAS G.
773 $tAgroforest Systems$gv. 85, p. 113-119, 2012.
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Embrapa Gado de Leite (CNPGL) |
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