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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
28/11/2011 |
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Data da última atualização: |
31/03/2025 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BATISTELA, M. J.; BUENO, A. de F.; NISHIKAWA, M. A. N.; BUENO, R. C. O. de F.; HIDALGO, G.; SILVA, L.; CORBO, E.; SILVA, R. B. |
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Afiliação: |
MARCELO JOSÉ BATISTELA, FESURV / MONSANTO DO BRASIL; ADENEY DE FREITAS BUENO, CNPSO; MARCELO AKIRA NAIME NISHIKAWA, MONSANTO DO BRASIL; REGIANE CRISTINA OLIVEIRA DE FREITAS BUENO, FESURV; GUSTAVO HIDALGO, MONSANTO DO BRASIL; LEANDRO SILVA, MONSANTO DO BRASIL; EDSON CORBO, MONSANTO DO BRASIL; RUBEM BRITO SILVA, MONSANTO DO BRASIL. |
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Título: |
Re-evaluation of leaf-lamina consumer thresholds for IPM decisions in short-season soybeans using artificial defoliation. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Crop Protection, v. 32, p. 7-11, Feb. 2012. |
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DOI: |
10.1016/j.cropro.2011.10.014 |
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Idioma: |
Inglês |
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Conteúdo: |
The impact of plant defoliation on the yield of short-season soybean cultivars was evaluated in five trials carried out in two crop seasons (2008/2009 and 2009/2010) in three states in Brazil (Rio Grande do Sul, Goiás and Mato Grosso). In 2008/2009, defoliation was performed by removing one, two or three leaflets (33.3%, 66.6% and 100% defoliation, respectively) from all leaves at different plant developmental stages (V5, V8, R2, from V5 to R2, and from V5 to harvest). In 2009/2010, the defoliation levels studied were 16.7% (half leaflet) and 33.3% (one leaflet), performed weekly during the vegetative or reproductive period, and during the entire cycle in three trials in Goiás. All tested cultivars tolerated defoliation levels equal and sometimes even higher than current Economic Thresholds (ETs) (30% vegetative stage defoliation threshold and 15% reproductive stage defoliation threshold) without significant yield loss. This indicates that even for the new cultivars belonging to shorter maturity groups or of indeterminate growth habit, soybean plants showed high defoliation tolerance. Thus, we conclude that the currently recommended ET for leaf-lamina consumers in the soybean crop is still valid and should be used by growers, even for the newer cultivars belonging to the lower maturity groups with indeterminate growth habit. |
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Palavras-Chave: |
Economic injury level; Rational use of insecticides. |
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Thesagro: |
Desfolha Artificial; Inseticida; Soja. |
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Thesaurus Nal: |
Defoliation; Economic threshold; Insecticides; Soybeans. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02311naa a2200325 a 4500
001 1907444
005 2025-03-31
008 2012 bl uuuu u00u1 u #d
024 7 $a10.1016/j.cropro.2011.10.014$2DOI
100 1 $aBATISTELA, M. J.
245 $aRe-evaluation of leaf-lamina consumer thresholds for IPM decisions in short-season soybeans using artificial defoliation.$h[electronic resource]
260 $c2012
520 $aThe impact of plant defoliation on the yield of short-season soybean cultivars was evaluated in five trials carried out in two crop seasons (2008/2009 and 2009/2010) in three states in Brazil (Rio Grande do Sul, Goiás and Mato Grosso). In 2008/2009, defoliation was performed by removing one, two or three leaflets (33.3%, 66.6% and 100% defoliation, respectively) from all leaves at different plant developmental stages (V5, V8, R2, from V5 to R2, and from V5 to harvest). In 2009/2010, the defoliation levels studied were 16.7% (half leaflet) and 33.3% (one leaflet), performed weekly during the vegetative or reproductive period, and during the entire cycle in three trials in Goiás. All tested cultivars tolerated defoliation levels equal and sometimes even higher than current Economic Thresholds (ETs) (30% vegetative stage defoliation threshold and 15% reproductive stage defoliation threshold) without significant yield loss. This indicates that even for the new cultivars belonging to shorter maturity groups or of indeterminate growth habit, soybean plants showed high defoliation tolerance. Thus, we conclude that the currently recommended ET for leaf-lamina consumers in the soybean crop is still valid and should be used by growers, even for the newer cultivars belonging to the lower maturity groups with indeterminate growth habit.
650 $aDefoliation
650 $aEconomic threshold
650 $aInsecticides
650 $aSoybeans
650 $aDesfolha Artificial
650 $aInseticida
650 $aSoja
653 $aEconomic injury level
653 $aRational use of insecticides
700 1 $aBUENO, A. de F.
700 1 $aNISHIKAWA, M. A. N.
700 1 $aBUENO, R. C. O. de F.
700 1 $aHIDALGO, G.
700 1 $aSILVA, L.
700 1 $aCORBO, E.
700 1 $aSILVA, R. B.
773 $tCrop Protection$gv. 32, p. 7-11, Feb. 2012.
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