2005
DOI: 10.1590/s0100-83582005000300014
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Aplicação do fomesafen via água de irrigação por aspersão no controle de Euphorbia heterophylla

Abstract: RESUMO -A aplicação de herbicidas via água de irrigação (herbigação) por aspersão, especialmente por pivô central, vem crescendo no Brasil. O objetivo deste estudo foi investigar a eficácia de doses de fomesafen aplicado via água de irrigação por aspersão no controle de Euphorbia heterophylla. Os tratamentos foram dispostos no esquema fatorial (4 x 3 x 2) + 3, sendo quatro doses do fomesafen (60, 120, 180 e 240 g ha -1 ), três estádios de desenvolvimento de E. heterophylla (1, 7 e 14 dias após a emergência -DA… Show more

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“…These results are consistent with those obtained by Gelmini et al (2001) and Trezzi et al (2005), who found high efficacy in control of EPHHL S populations with the use of fomesafen. The efficacy of fomesafen to control susceptible weeds depends on several factors, including application on weeds at early stage of development (Rizzardi et al, 2004;Ruas et al, 2005) and lack of water stress (Zanatta et al, 2008).…”
Section: Resultsmentioning
confidence: 99%
“…These results are consistent with those obtained by Gelmini et al (2001) and Trezzi et al (2005), who found high efficacy in control of EPHHL S populations with the use of fomesafen. The efficacy of fomesafen to control susceptible weeds depends on several factors, including application on weeds at early stage of development (Rizzardi et al, 2004;Ruas et al, 2005) and lack of water stress (Zanatta et al, 2008).…”
Section: Resultsmentioning
confidence: 99%