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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
14/07/1995 |
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Data da última atualização: |
20/04/2023 |
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Autoria: |
EKANAYAKE, I. J.; ORTIZ, R.; VUYLSTEKE, D. R. |
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Afiliação: |
International Institute of Tropical Agriculture (IITA), c/o L. W. Lambourn. |
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Título: |
Infuence of Leaf Age, Soil Moisture, VPD and Time of Day on Leaf Conductance of Various Musa Genotypes in Humid Forest-Moist Savanna transition Site. |
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Ano de publicação: |
1994 |
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Fonte/Imprenta: |
Annals of Botany v.74,n.2, p.173-178, 1994. |
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Idioma: |
Inglês |
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Conteúdo: |
Leaf age effects on the leaf conductance to water vapour diffusion of the adaxial and abaxial leaf surfaces were measured in the morning andin the afternoon on 17 different plantain and banana (Musa sp.) genotypes. The irradiance levels increased three-fold while leaf to air vapour pressure deficit levels increased two-to four-fold from morning to afternoon during the sampling period in a field site located in the humild forest-moist savanna transition zone of Nigeria. Conductance values were reduced in older, and senescing leaves relative to the young and mature leaves both in the morning and in the afternoon. Conductances were higher for the abaxial leaf surfaces than the adaxial surface and higher in the afternoon than in the morning, with some genotipe differences. |
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Palavras-Chave: |
Abaxial leaf surface; Adaxial leaf surface; Musa hybrids; Musa spp; Stomatal response. |
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Categoria do assunto: |
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Marc: |
LEADER 01443naa a2200205 a 4500
001 1646673
005 2023-04-20
008 1994 bl uuuu u00u1 u #d
100 1 $aEKANAYAKE, I. J.
245 $aInfuence of Leaf Age, Soil Moisture, VPD and Time of Day on Leaf Conductance of Various Musa Genotypes in Humid Forest-Moist Savanna transition Site.$h[electronic resource]
260 $c1994
520 $aLeaf age effects on the leaf conductance to water vapour diffusion of the adaxial and abaxial leaf surfaces were measured in the morning andin the afternoon on 17 different plantain and banana (Musa sp.) genotypes. The irradiance levels increased three-fold while leaf to air vapour pressure deficit levels increased two-to four-fold from morning to afternoon during the sampling period in a field site located in the humild forest-moist savanna transition zone of Nigeria. Conductance values were reduced in older, and senescing leaves relative to the young and mature leaves both in the morning and in the afternoon. Conductances were higher for the abaxial leaf surfaces than the adaxial surface and higher in the afternoon than in the morning, with some genotipe differences.
653 $aAbaxial leaf surface
653 $aAdaxial leaf surface
653 $aMusa hybrids
653 $aMusa spp
653 $aStomatal response
700 1 $aORTIZ, R.
700 1 $aVUYLSTEKE, D. R.
773 $tAnnals of Botany$gv.74,n.2, p.173-178, 1994.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
28/04/2000 |
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Data da última atualização: |
15/10/2004 |
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Autoria: |
GAZZIERO, D. L. P.; BRIGHENTI, A. M.; MACIEL, C. D. G.; CHRISTOFFOLETI, P. J.; ADEGAS, F. S.; VOLL, E. |
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Título: |
The resistance of Euphorbia heterophylla to ALS enzyme inhibitor herbicides. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
In: WORLD SOYBEAN RESEARCH CONFERENCE, 6., 1999, Chicago. Proceedings: invited and contributed papers and posters. Chicago: University of Illinois / Soybean Research & Development Council, 1999. |
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Páginas: |
p.658. |
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Idioma: |
Inglês |
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Conteúdo: |
This study was conducted at the Embrapa Soja Experimental Station in Londrina, PR., Brazil, to investigate the resistance of the biotype E-298 of Euphorbia heterophylla to the herbicides ALS enzyme inhibitor, found in soybean fields located in Cafelandia County. PR. Plants from a susceptible population were compared with plants from a supposedly resistant population. The treatments were set up based on recommended rates for the herbicides, half, twice, four and eight times of them. The products applied were: methyl cloransulam at the following rates 0.0; 0.015; 0.03; 0.06; 0.012 and 0.24 kg a.i../ha, plus the agral adhesive surfactant at the rate of 0.2% v/v; imazethapyr at the doses of 0.0; 0.05; 0.1; 0.2; 0.4; and 0.8 kg a.i./ha, imazaquin at the rates of 0.0; 0.075; 0.15; 0.3; 0.6 and 1.2 kg a.i./ha plus the assist adhesive surfactant at the rate of 0.3% v/v, sulfentrazone at the rates of 0.0; 0.3; 0.6; 1.2; 2.4; and 4.8 kg a.i./ha plus assist adhesive surfactant at the rate of 0.3% v/v, and lactofen at the following rates 0.0; 0.082; 0.165; 0.33; 0.664 and 1.329 kg a.i./ha. The biotype E 298 has different levels of cross-resistance among the herbicides methyl cloransulam, imazethapyr and imazaquin. The rate response curves of the resistant biotype had values lower than the susceptible biotype under all studied rates for the herbicides methyl cloransulam imazethapyr and imazaquin. The rate response curves of the resistant biotype had values lower than the susceptible biotype under all studied rates for the herbicides methyl cloransulam, imazethapyr and imazaquin. The herbicides sulfentrazone and lactofen have different mechanism of action from the ALS enzyme inhibition, so they had a high level of control for both biotypes. MenosThis study was conducted at the Embrapa Soja Experimental Station in Londrina, PR., Brazil, to investigate the resistance of the biotype E-298 of Euphorbia heterophylla to the herbicides ALS enzyme inhibitor, found in soybean fields located in Cafelandia County. PR. Plants from a susceptible population were compared with plants from a supposedly resistant population. The treatments were set up based on recommended rates for the herbicides, half, twice, four and eight times of them. The products applied were: methyl cloransulam at the following rates 0.0; 0.015; 0.03; 0.06; 0.012 and 0.24 kg a.i../ha, plus the agral adhesive surfactant at the rate of 0.2% v/v; imazethapyr at the doses of 0.0; 0.05; 0.1; 0.2; 0.4; and 0.8 kg a.i./ha, imazaquin at the rates of 0.0; 0.075; 0.15; 0.3; 0.6 and 1.2 kg a.i./ha plus the assist adhesive surfactant at the rate of 0.3% v/v, sulfentrazone at the rates of 0.0; 0.3; 0.6; 1.2; 2.4; and 4.8 kg a.i./ha plus assist adhesive surfactant at the rate of 0.3% v/v, and lactofen at the following rates 0.0; 0.082; 0.165; 0.33; 0.664 and 1.329 kg a.i./ha. The biotype E 298 has different levels of cross-resistance among the herbicides methyl cloransulam, imazethapyr and imazaquin. The rate response curves of the resistant biotype had values lower than the susceptible biotype under all studied rates for the herbicides methyl cloransulam imazethapyr and imazaquin. The rate response curves of the resistant biotype had values lower than the susceptible bio... Mostrar Tudo |
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Palavras-Chave: |
Brasil; Herbicide; Planta daninha; Resistance to chemicals; Soybean. |
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Thesagro: |
Euphorbia Heterophylla; Herbicida; Resistência; Soja. |
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Thesaurus NAL: |
Brazil; weeds. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02742naa a2200325 a 4500
001 1461783
005 2004-10-15
008 1999 bl uuuu u00u1 u #d
100 1 $aGAZZIERO, D. L. P.
245 $aThe resistance of Euphorbia heterophylla to ALS enzyme inhibitor herbicides.
260 $c1999
300 $ap.658.
520 $aThis study was conducted at the Embrapa Soja Experimental Station in Londrina, PR., Brazil, to investigate the resistance of the biotype E-298 of Euphorbia heterophylla to the herbicides ALS enzyme inhibitor, found in soybean fields located in Cafelandia County. PR. Plants from a susceptible population were compared with plants from a supposedly resistant population. The treatments were set up based on recommended rates for the herbicides, half, twice, four and eight times of them. The products applied were: methyl cloransulam at the following rates 0.0; 0.015; 0.03; 0.06; 0.012 and 0.24 kg a.i../ha, plus the agral adhesive surfactant at the rate of 0.2% v/v; imazethapyr at the doses of 0.0; 0.05; 0.1; 0.2; 0.4; and 0.8 kg a.i./ha, imazaquin at the rates of 0.0; 0.075; 0.15; 0.3; 0.6 and 1.2 kg a.i./ha plus the assist adhesive surfactant at the rate of 0.3% v/v, sulfentrazone at the rates of 0.0; 0.3; 0.6; 1.2; 2.4; and 4.8 kg a.i./ha plus assist adhesive surfactant at the rate of 0.3% v/v, and lactofen at the following rates 0.0; 0.082; 0.165; 0.33; 0.664 and 1.329 kg a.i./ha. The biotype E 298 has different levels of cross-resistance among the herbicides methyl cloransulam, imazethapyr and imazaquin. The rate response curves of the resistant biotype had values lower than the susceptible biotype under all studied rates for the herbicides methyl cloransulam imazethapyr and imazaquin. The rate response curves of the resistant biotype had values lower than the susceptible biotype under all studied rates for the herbicides methyl cloransulam, imazethapyr and imazaquin. The herbicides sulfentrazone and lactofen have different mechanism of action from the ALS enzyme inhibition, so they had a high level of control for both biotypes.
650 $aBrazil
650 $aweeds
650 $aEuphorbia Heterophylla
650 $aHerbicida
650 $aResistência
650 $aSoja
653 $aBrasil
653 $aHerbicide
653 $aPlanta daninha
653 $aResistance to chemicals
653 $aSoybean
700 1 $aBRIGHENTI, A. M.
700 1 $aMACIEL, C. D. G.
700 1 $aCHRISTOFFOLETI, P. J.
700 1 $aADEGAS, F. S.
700 1 $aVOLL, E.
773 $tIn: WORLD SOYBEAN RESEARCH CONFERENCE, 6., 1999, Chicago. Proceedings: invited and contributed papers and posters. Chicago: University of Illinois / Soybean Research & Development Council, 1999.
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