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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
12/12/2016 |
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Data da última atualização: |
28/11/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SILVA, D. M. da; BUENO, A. de F.; ANDRADE, K.; STECCA, C. dos S.; NEVES, P. M. O. J.; OLIVEIRA, M. C. N. de. |
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Afiliação: |
DÉBORA MELLO DA SILVA, IAPAR; ADENEY DE FREITAS BUENO, CNPSO; KARINE ANDRADE, UEL; CRISTIANE DOS SANTOS STECCA, UEL; PEDRO MANUEL OLIVEIRA JANEIRO NEVES, UEL; MARIA CRISTINA NEVES DE OLIVEIRA, CNPSO. |
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Título: |
Biology and nutrition of Spodoptera frugiperda (Lepidoptera: Noctuidae) fed on different food sources. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Scientia Agricola, Piracicaba, v. 74, n. 1, p. 18-31, Jan./Feb. 2017. |
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DOI: |
10.1590/1678-992x-2015-0160 |
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Idioma: |
Inglês |
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Conteúdo: |
We studied Spodoptera frugiperda development using different food sources in the laboratory and field. Newly hatched larvae were fed soybean, cotton, maize, wheat, and oat leaves. An artificial diet was used as the control. Duration of pre-pupal, pupal, and larva-adult period, pupal weight, sex ratio, survival, larva feeding preferences, oviposition preferences, and nutritional quality of different hosts were evaluated. Insects fed on wheat showed the shortest larva-adult period. The insects fed on cotton and soybean had longer larval development cycles and pupae of lower weight. Feeding preference was evident for third instar larvae and did not differ between wheat, oat, maize, and soybean, which were the preferred hosts. Moths oviposited to a greater extent on the upper canopy of wheat than that of other plants in both the no-choice and free-choice tests. Treatments influenced insect growth, food consumption, and digestion when nutritional variables were analyzed. Thus, grasses were better hosts for S. frugiperda development. Cotton was the least preferred food, followed by soybean. The present study can improve our understanding of S. frugiperda in these different crops and help in developing management strategies. Even though S. frugiperda is considered to be polyphagous, this pest is closely associated with grasses (maize, wheat, oat) and has lower potential as a soybean or cotton feeder. Howerver, S. frugiperda food intake regulation appears to be triggered by a complex of different mechanisms. Thus, S. frugiperda can also damage soybean and cotton and adapt to them in the absence of preferred hosts. MenosWe studied Spodoptera frugiperda development using different food sources in the laboratory and field. Newly hatched larvae were fed soybean, cotton, maize, wheat, and oat leaves. An artificial diet was used as the control. Duration of pre-pupal, pupal, and larva-adult period, pupal weight, sex ratio, survival, larva feeding preferences, oviposition preferences, and nutritional quality of different hosts were evaluated. Insects fed on wheat showed the shortest larva-adult period. The insects fed on cotton and soybean had longer larval development cycles and pupae of lower weight. Feeding preference was evident for third instar larvae and did not differ between wheat, oat, maize, and soybean, which were the preferred hosts. Moths oviposited to a greater extent on the upper canopy of wheat than that of other plants in both the no-choice and free-choice tests. Treatments influenced insect growth, food consumption, and digestion when nutritional variables were analyzed. Thus, grasses were better hosts for S. frugiperda development. Cotton was the least preferred food, followed by soybean. The present study can improve our understanding of S. frugiperda in these different crops and help in developing management strategies. Even though S. frugiperda is considered to be polyphagous, this pest is closely associated with grasses (maize, wheat, oat) and has lower potential as a soybean or cotton feeder. Howerver, S. frugiperda food intake regulation appears to be triggered by a comple... Mostrar Tudo |
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Palavras-Chave: |
Lagarta do cartucho. |
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Thesagro: |
Entomologia. |
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Thesaurus Nal: |
Crop entomology; Feeding behavior. |
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Categoria do assunto: |
O Insetos e Entomologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/151582/1/0103-9016-sa-74-01-0018.pdf
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Marc: |
LEADER 02398naa a2200241 a 4500
001 2058400
005 2017-11-28
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1590/1678-992x-2015-0160$2DOI
100 1 $aSILVA, D. M. da
245 $aBiology and nutrition of Spodoptera frugiperda (Lepidoptera$bNoctuidae) fed on different food sources.$h[electronic resource]
260 $c2017
520 $aWe studied Spodoptera frugiperda development using different food sources in the laboratory and field. Newly hatched larvae were fed soybean, cotton, maize, wheat, and oat leaves. An artificial diet was used as the control. Duration of pre-pupal, pupal, and larva-adult period, pupal weight, sex ratio, survival, larva feeding preferences, oviposition preferences, and nutritional quality of different hosts were evaluated. Insects fed on wheat showed the shortest larva-adult period. The insects fed on cotton and soybean had longer larval development cycles and pupae of lower weight. Feeding preference was evident for third instar larvae and did not differ between wheat, oat, maize, and soybean, which were the preferred hosts. Moths oviposited to a greater extent on the upper canopy of wheat than that of other plants in both the no-choice and free-choice tests. Treatments influenced insect growth, food consumption, and digestion when nutritional variables were analyzed. Thus, grasses were better hosts for S. frugiperda development. Cotton was the least preferred food, followed by soybean. The present study can improve our understanding of S. frugiperda in these different crops and help in developing management strategies. Even though S. frugiperda is considered to be polyphagous, this pest is closely associated with grasses (maize, wheat, oat) and has lower potential as a soybean or cotton feeder. Howerver, S. frugiperda food intake regulation appears to be triggered by a complex of different mechanisms. Thus, S. frugiperda can also damage soybean and cotton and adapt to them in the absence of preferred hosts.
650 $aCrop entomology
650 $aFeeding behavior
650 $aEntomologia
653 $aLagarta do cartucho
700 1 $aBUENO, A. de F.
700 1 $aANDRADE, K.
700 1 $aSTECCA, C. dos S.
700 1 $aNEVES, P. M. O. J.
700 1 $aOLIVEIRA, M. C. N. de
773 $tScientia Agricola, Piracicaba$gv. 74, n. 1, p. 18-31, Jan./Feb. 2017.
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Registro original: |
Embrapa Soja (CNPSO) |
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Origem |
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Registro |
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Registro Completo
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Biblioteca(s): |
Embrapa Agroindústria de Alimentos. |
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Data corrente: |
21/12/2022 |
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Data da última atualização: |
21/12/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
ALCANTARA, M. DE; ARES, G.; DELIZA, R. |
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Afiliação: |
MARCELA DE ALCANTARA, PDJ-CNPQ; GASTÓN ARES, Universidad de la República, Pando, Uruguay; ROSIRES DELIZA, CTAA. |
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Título: |
How Do Nutritional Warnings Work on Commercial Products? |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Frontiers in Nutrition, v. 9, n. 921515, p. 1-10, 2022. |
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DOI: |
10.3389/fnut.2022.921515 |
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Idioma: |
Inglês |
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Conteúdo: |
A large body of evidence assessing the effectiveness of front-of-package (FOP) nutrition labeling exists. Most experimental studies have been conducted with fictitious products. However, consumers? perception depends on several products extrinsic factors such as brand. Understanding how strong brand associations influence the effectiveness of FOP nutrition labeling schemes may be crucial to informing policymaking. In this context, the aim of this work was to evaluate the effect of five different variants of nutritional warnings labels (black magnifier, red magnifier, black octagon, black triangle, and red circle) on consumers? choice of commercial products, compared with two FOP nutrition labeling schemes: the guidelines daily amounts (GDAs) system and the traffic light system (TLS). An online randomized controlled trial with 1,932 participants was used to evaluate the effect of FOP nutrition labeling on participants? choices in eight sets of three commercial products, available in the Brazilian marketplace. A multinomial logistic regression model was used to evaluate the influence of FOP nutrition labeling on participants? likelihood of selecting the different products in the choice task. Results showed that nutritional warnings and the TLS significantly increased the likelihood of selecting none of the products instead of the least healthful product, or a healthier product, in at least one of the product categories compared with the GDA. Warnings tended to have a larger effect, suggesting their potential to encourage healthier food choices. MenosA large body of evidence assessing the effectiveness of front-of-package (FOP) nutrition labeling exists. Most experimental studies have been conducted with fictitious products. However, consumers? perception depends on several products extrinsic factors such as brand. Understanding how strong brand associations influence the effectiveness of FOP nutrition labeling schemes may be crucial to informing policymaking. In this context, the aim of this work was to evaluate the effect of five different variants of nutritional warnings labels (black magnifier, red magnifier, black octagon, black triangle, and red circle) on consumers? choice of commercial products, compared with two FOP nutrition labeling schemes: the guidelines daily amounts (GDAs) system and the traffic light system (TLS). An online randomized controlled trial with 1,932 participants was used to evaluate the effect of FOP nutrition labeling on participants? choices in eight sets of three commercial products, available in the Brazilian marketplace. A multinomial logistic regression model was used to evaluate the influence of FOP nutrition labeling on participants? likelihood of selecting the different products in the choice task. Results showed that nutritional warnings and the TLS significantly increased the likelihood of selecting none of the products instead of the least healthful product, or a healthier product, in at least one of the product categories compared with the GDA. Warnings tended to have a larger ef... Mostrar Tudo |
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Palavras-Chave: |
Nutritional warning commercial products brand consumers? perception food choice. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1150140/1/How-Do-Nutritional-Warnings-Work-on-Commercial-Products-Results-From-a-Hypothetical-Choice-Experiment.pdf
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Marc: |
LEADER 02123naa a2200169 a 4500
001 2150140
005 2022-12-21
008 2022 bl uuuu u00u1 u #d
024 7 $a10.3389/fnut.2022.921515$2DOI
100 1 $aALCANTARA, M. DE
245 $aHow Do Nutritional Warnings Work on Commercial Products?$h[electronic resource]
260 $c2022
520 $aA large body of evidence assessing the effectiveness of front-of-package (FOP) nutrition labeling exists. Most experimental studies have been conducted with fictitious products. However, consumers? perception depends on several products extrinsic factors such as brand. Understanding how strong brand associations influence the effectiveness of FOP nutrition labeling schemes may be crucial to informing policymaking. In this context, the aim of this work was to evaluate the effect of five different variants of nutritional warnings labels (black magnifier, red magnifier, black octagon, black triangle, and red circle) on consumers? choice of commercial products, compared with two FOP nutrition labeling schemes: the guidelines daily amounts (GDAs) system and the traffic light system (TLS). An online randomized controlled trial with 1,932 participants was used to evaluate the effect of FOP nutrition labeling on participants? choices in eight sets of three commercial products, available in the Brazilian marketplace. A multinomial logistic regression model was used to evaluate the influence of FOP nutrition labeling on participants? likelihood of selecting the different products in the choice task. Results showed that nutritional warnings and the TLS significantly increased the likelihood of selecting none of the products instead of the least healthful product, or a healthier product, in at least one of the product categories compared with the GDA. Warnings tended to have a larger effect, suggesting their potential to encourage healthier food choices.
653 $aNutritional warning commercial products brand consumers? perception food choice
700 1 $aARES, G.
700 1 $aDELIZA, R.
773 $tFrontiers in Nutrition$gv. 9, n. 921515, p. 1-10, 2022.
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Embrapa Agroindústria de Alimentos (CTAA) |
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