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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
16/01/2014 |
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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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Autoria: |
ASSIS, J. C.; MORAES, J. C.; AUAD, A. M.; COELHO, M. |
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Afiliação: |
UFLA; UFLA; ALEXANDER MACHADO AUAD, CNPGL; UFLA. |
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Título: |
The effects of foliar spray application of silicon on plant damage levels and components of larval biology of the pest butterfly Chlosyne lacinia saundersii (Nymphalidae). |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
International Journal of Pest Management, v. 59, n. 2, p. 128-134, 2013. |
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DOI: |
https://doi.org/10.1080/09670874.2013.779049 |
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Idioma: |
Inglês |
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Conteúdo: |
We investigated sunflower leaf palatability to Chlosyne lacinia saundersii Doubleday & Hewitson (Lepidoptera: Nymphalidae) in plants treated with silicon (Si) and subjected to mechanical injury. We also examined the effects of those treatments on plant development. The experimental study was carried out as a completely randomized design, consisting of the six treatments (10 replicates each): (1) control, (2) plants mechanically injured, (3) Si applied around the plant stem (Si drench), (4) Si drench + injured, (5) Si drench + foliar spray, and (6) Si drench + foliar spray + injured. Si drench + injured significantly reduced the percentage of caterpillar-injured leaves (CIL), leaf area consumed (LAC), and caterpillar weight (CW), leading to increased caterpillar mortality. The only intrinsic plant characteristic affected by the treatments was Si content (SiC), which was higher in plants treated with either Si drench + foliar spray or Si drench + foliar spray + injured. Negative correlations were observed between SiC and the variables CIL, LAC and CW, whereas positive correlations were observed between CIL and LAC, CIL and CW, and LAC and CW. The treatment strategy of Si combined with artificial mechanical injury affects leaf palatability and development of C. lacinia saundersii, conferring resistance to sunflower plants as a function of Si accumulation, although it did not increase crop vegetative variables. |
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Palavras-Chave: |
Ácido silicico; Insetos; IPM; Resistência induzida. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
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Registro original: |
Embrapa Gado de Leite (CNPGL) |
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| 2. |  | PLESE, L. P. M.; FOLONI, L. L.; PARAIBA, L. C. Fugacity concept use for prediction of carbofuran environmental behaviour in irrigated rice crops. In: THE BCPC INTERNATIONAL CONGRESS - CROP SCIENCE & TECHNOLOGY, 2005, Glasgow, Scotland, UK. Congress proceedings… Glasgow, Scotland, UK: BCPC, 2005. p. 803-808. v. 2 Proceedings of an international congress held at the SECC, Glasgow, Scotland, UK.| Tipo: Artigo em Anais de Congresso |
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