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Registro Completo |
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Biblioteca(s): |
Embrapa Agropecuária Oeste; Embrapa Clima Temperado; Embrapa Milho e Sorgo. |
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Data corrente: |
11/09/2015 |
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Data da última atualização: |
11/02/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GALON, L.; CONCENCO, G.; PERIN, G. F.; SILVA, A. F. da; FORTE, C. T.; DAVID, F. de A.; RADÜZ, L. L.; RADUNZ, A. L.; ANDRES, A.; TIRONI, S. P.; CONCENÇO, S. E. |
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Afiliação: |
GERMANI CONCENCO, CPAO; ALEXANDRE FERREIRA DA SILVA, CNPMS. |
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Título: |
Comparison of experimental methods to assess the competitive ability of weed species. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
American Journal of Plant Sciences, v. 6, p. 2185-2196, Aug. 2015. |
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DOI: |
dx.doi.og/104236/ajps.2015.613221 |
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Idioma: |
Inglês |
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Conteúdo: |
Competition between crops and weeds interfere on growth and development with harm to one or both, in different ways. To quantify these differences in competition, additive and replacement series study methods are most often used, each with different characteristics and goals. Therefore, we aimed with this work to study interspecific competition between plants of soybean and corn against the weeds Bidens pilosa (beggartick) and Digitaria insularis (sourgrass), by two experimental methods of study: additive and replacement series (substitutive) experiments. Initial tests were performed prior to the installation of replacement series experiments to describe the intra-specific competition features for all species. For additive experiments these are unnecessary. To compare the methods of study, there were two sets of trials (an additive and a substitutive) installed under greenhouse, during the growing season 2013/14. Variables analyzed were leaf area and dry weight of shoots of crops and weeds, at 50 days after emergence. The results were analyzed according to the methods used, these being compared. It was found that the additive method supplied results most prone to be applied in the field, while the replacement series (substitutive) method was more appropriate for studies that aimed to provide detailed scientific information regarding the proportions of plants and coefficients describing the behavior of the species community. |
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Palavras-Chave: |
Planta daninha. |
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Thesagro: |
Erva daninha; Glycine max; Milho; Soja; Zea mays. |
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Thesaurus Nal: |
Weeds. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/129434/1/Comparison-experimental.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/138934/1/AJPS-2015083115160369.pdf
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Marc: |
LEADER 02375naa a2200337 a 4500
001 2030265
005 2016-02-11
008 2015 bl uuuu u00u1 u #d
024 7 $adx.doi.og/104236/ajps.2015.613221$2DOI
100 1 $aGALON, L.
245 $aComparison of experimental methods to assess the competitive ability of weed species.$h[electronic resource]
260 $c2015
520 $aCompetition between crops and weeds interfere on growth and development with harm to one or both, in different ways. To quantify these differences in competition, additive and replacement series study methods are most often used, each with different characteristics and goals. Therefore, we aimed with this work to study interspecific competition between plants of soybean and corn against the weeds Bidens pilosa (beggartick) and Digitaria insularis (sourgrass), by two experimental methods of study: additive and replacement series (substitutive) experiments. Initial tests were performed prior to the installation of replacement series experiments to describe the intra-specific competition features for all species. For additive experiments these are unnecessary. To compare the methods of study, there were two sets of trials (an additive and a substitutive) installed under greenhouse, during the growing season 2013/14. Variables analyzed were leaf area and dry weight of shoots of crops and weeds, at 50 days after emergence. The results were analyzed according to the methods used, these being compared. It was found that the additive method supplied results most prone to be applied in the field, while the replacement series (substitutive) method was more appropriate for studies that aimed to provide detailed scientific information regarding the proportions of plants and coefficients describing the behavior of the species community.
650 $aWeeds
650 $aErva daninha
650 $aGlycine max
650 $aMilho
650 $aSoja
650 $aZea mays
653 $aPlanta daninha
700 1 $aCONCENCO, G.
700 1 $aPERIN, G. F.
700 1 $aSILVA, A. F. da
700 1 $aFORTE, C. T.
700 1 $aDAVID, F. de A.
700 1 $aRADÜZ, L. L.
700 1 $aRADUNZ, A. L.
700 1 $aANDRES, A.
700 1 $aTIRONI, S. P.
700 1 $aCONCENÇO, S. E.
773 $tAmerican Journal of Plant Sciences$gv. 6, p. 2185-2196, Aug. 2015.
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Registro original: |
Embrapa Agropecuária Oeste (CPAO) |
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| 5. |  | RESTLE, J.; VAZ, F. N.; BRONDANI, I. L.; GONÇALVES, J. M.; ANDREATTA, E. Estudo da carcaça de machos Bradford desmamados aos 72 ou 210 dias, abatidos aos catorze meses. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 34, n. 11, p. 2137-44, nov. 1999 Título em inglês: Carcass study of braford males weaned at 72 or 2010 days, slaughtered at fourteen months.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 10. | | ALMEIDA NETA, M. C.; QUEIROGA, A. P. R.; ALMEIDA, R. L. J.; SOARES, A. C.; GONÇALVES, J. M.; FERNANDES, S. S.; SOUSA, M. C. de; SANTOS, K. M. O. dos; BURITI, F. C. A.; FLORENTINO, E. R. Fermented Dessert with Whey, Ingredients from the Peel of Jabuticaba (Myrciaria cauliflora) and an Indigenous Culture of Lactobacillus plantarum: Composition, Microbial Viability, Antioxidant Capacity and Sensory Features. Nutrients, v. 10, n. 1214, p. 2-9, 2018. Open acess.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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| Registros recuperados : 10 | |
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