2013
DOI: 10.7824/bhj.v11i3.202
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Eficácia de herbicidas em condições controladas para o controle de gramíneas infestantes de canaviais em estiagem

Abstract: Resumo -O controle químico das plantas daninhas em canaviais pode ser realizado no período de estiagem devido, principalmente, planejamento de operações agrícolas, e logística quanto ao uso de equipamentos e mão-de-obra. O presente estudo teve como objetivo avaliar a eficácia agronômica de herbicidas para o controle de plantas daninhas gramíneas infestantes de canaviais, utilizando diferentes períodos de restrição hídrica em condições controladas. As plantas daninhas avaliadas foram Digitaria nuda, Panicum max… Show more

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Cited by 2 publications
(2 citation statements)
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“…Takano et al (2015) observed that the use of amicarbazone and imazapic was effective at controlling Senna obtusifolia in soils with different textures during the dry season, but only in initial evaluations. A similar result was obtained by Giancotti et al (2012), who found that amicarbazone was inefficient at controlling grasses subjected to 60 days of drought.…”
Section: Experiments 2: Effect Of Drought On the Efficacy Of Residual supporting
confidence: 84%
“…Takano et al (2015) observed that the use of amicarbazone and imazapic was effective at controlling Senna obtusifolia in soils with different textures during the dry season, but only in initial evaluations. A similar result was obtained by Giancotti et al (2012), who found that amicarbazone was inefficient at controlling grasses subjected to 60 days of drought.…”
Section: Experiments 2: Effect Of Drought On the Efficacy Of Residual supporting
confidence: 84%
“…Therefore, these species may be the most problematic weeds for control, since the use of selective herbicides will be difficult because the crop is also grassy. However, it is known that the herbicides diuron+hexazinone+sulfometuronmethyl and amicarbazone+isoxaflutole are efficient in the control of P. maximum and B. decumbens, and diuron+hexazinone and amicabazone are selective to sugarcane in the 'Plene' system (Giancotti et al, 2012;Bertolino and Alves, 2014). Paula (2015) reported the grasses B. decumbens and P. maximum as the most aggressive species to the initial development of sugarcane plants from meristematic seedlings when compared to the species I. hederifolia and D. horizontalis; at 90 days of coexistence, the presence of 2 plants pot -1 of these species caused a reduction in dry matter accumulation of approximately 55%, 47%, 50%, and 24%, respectively.…”
mentioning
confidence: 99%