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Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br.
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Biblioteca(s):  Embrapa Milho e Sorgo.
Data corrente:  18/01/2012
Data da última atualização:  19/05/2017
Tipo da produção científica:  Artigo em Periódico Indexado
Autoria:  TAVARES, W. S.; CRUZ, I.; PETACCI, F.; FREITAS, S. S.; SERRÃO, J. E.; ZANUNCIO, J. C.
Afiliação:  UFV; IVAN CRUZ, CNPMS; UFG; UFG; UFV; UFV.
Título:  Insecticide activity of piperine: Toxicity to eggs of Spodoptera frugiperda (Lepidoptera: Noctuidae) and Diatraea saccharalis (Lepidoptera: Pyralidae) and phytotoxicity on several vegetables.
Ano de publicação:  2011
Fonte/Imprenta:  Journal of Medicinal Plant Research, v. 5, n. 21, p. 5301-5306, Oct. 2011.
Idioma:  Inglês
Conteúdo:  Products made from piperine are important for the management of pests, but allelopathic studies for these products are also relevant. The aims of the study were: First, to evaluate the effect of piperine on Spodoptera frugipera and Diatraea saccharalis and as second objective, to evaluate the allelopathic and phytotoxicity effects of this compound in the germination and growth of several vegetables. The piperine was applied on eggs laid by both lepidopteran species and on sand used as a substrate for the seeds plants. The hatching in recently laid eggs of S. frugiperda and D. saccharalis with piperine was lower than older eggs. Allium cepa presented a higher percentage of germination at 0.5 and at 5.0 mg/Kg and Lactuca sativa the lowest. The highest length of seedling was for the A. cepa. The piperine shows biological impact on eggs of S. frugiperda and D. saccharalis as well as in the germination and Products made from piperine are important for the management of pests, but allelopathic studies for these products are also relevant. The aims of the study were: First, to evaluate the effect of piperine on Spodoptera frugipera and Diatraea saccharalis and as second objective, to evaluate the allelopathic and phytotoxicity effects of this compound in the germination and growth of several vegetables. The piperine was applied on eggs laid by both lepidopteran species and on sand used as a substrate for the seeds plants. The hatching in recently laid eggs of S. frugiperda and D. s... Mostrar Tudo
Thesagro:  Fitotoxicidade.
Thesaurus Nal:  Allelopathy; Extracts; Hatching; Phytotoxicity; Vegetables.
Categoria do assunto:  H Saúde e Patologia
Marc:  Mostrar Marc Completo
Registro original:  Embrapa Milho e Sorgo (CNPMS)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status URL
CNPMS24110 - 1UPCAP - DD
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Acesso ao texto completo restrito à biblioteca da Embrapa Agrossilvipastoril. Para informações adicionais entre em contato com cpamt.biblioteca@embrapa.br.

Registro Completo

Biblioteca(s):  Embrapa Agricultura Digital; Embrapa Agrossilvipastoril.
Data corrente:  18/02/2021
Data da última atualização:  02/12/2021
Tipo da produção científica:  Artigo em Periódico Indexado
Circulação/Nível:  A - 2
Autoria:  KAMCHEN, S. G.; SANTOS, E. F. dos; LOPES, L. B.; VENDRUSCULO, L. G.; CONDOTTA, I. C. F. S.
Afiliação:  SCHEILA GEIELE KAMCHEN, UFMT, Cuiaba-MT; ELTON FERNANDES DOS SANTOS, UFMT, Sinop-MT; LUCIANO BASTOS LOPES, CPAMT; LAURIMAR GONCALVES VENDRUSCULO, CNPTIA; ISABELLA C. F. S. CONDOTTA, University of Illinois.
Título:  Application of depth sensor to estimate body mass and morphometric assessment in Nellore heifers.
Ano de publicação:  2021
Fonte/Imprenta:  Livestock Science, v. 245, 104442, 2021.
ISSN:  1871-1413
DOI:  https://doi.org/10.1016/j.livsci.2021.104442
Idioma:  Inglês
Conteúdo:  Abstract. The potential of an RGB-D sensor as a tool to estimate Nellore heifers´ body mass and morphometric measurements through image analysis was evaluated. An Intel RealSense D435i depth sensor was used to acquire dorsal images of 260 animals aged between 8 and 18 months. Images were acquired from March to December 2019 in six-time points. The best quality images were selected using a multi-layer perceptron neural network (nn = 547). The images were then manually associated with each animal's electronic ear tag. Morphometric measurements were manually acquired using a hipometer and measured on the images using the OpenCV library's graphical interface. These values were acquired in pixels converted to meters. The adjusted linear regression analysis between body mass measured with a scale and estimated body volume presented a high coefficient of determination of R² = 0.97. The mean absolute percentage error was 3.13%, the absolute error was ± 8.85 kg, and the mean squared error was 10.07 kg. The mean absolute error, mean squared error and mean absolute percentage error between manually acquired and digitally acquired morphometric measurements were: 4.23 cm, 5.34 cm, and 18% for chest width (R² = 0.56); 4.4 cm, 5.1 cm, and 13.9% for croup width (R² = 0.86); 6.0 cm, 8.0 cm, and 19.3% for croup length (R² = 0.75); 4.7 cm, 6.6 cm, and 3.8% for croup height (R² = 0.9); and 3.5 cm, 5.1 cm, and 2.9% for withers height (R² = 0.92). This study showed that it is possible to estimate... Mostrar Tudo
Palavras-Chave:  Análise de imagem; Massa corporal; Nellore heifers´ body mass; Novilhas Nelore; Pecuária de precisão; Precision livestock farming; RealSense D435i; Sensor RGB-D.
Thesagro:  Gado; Gado Nelore.
Thesaurus NAL:  Body mass index; Cattle; Heifers; Image analysis.
Categoria do assunto:  --
X Pesquisa, Tecnologia e Engenharia
Marc:  Mostrar Marc Completo
Registro original:  Embrapa Agrossilvipastoril (CPAMT)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status
CNPTIA20897 - 1UPCAP - DD
CPAMT1649 - 1UPCAP - DD
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