2018
DOI: 10.7824/rbh.v17i2.587
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Abstract: Para aumentar o espectro de controle das plantas daninhas na cultura do milho, a formulação de herbicidas com princípios ativos de diferentes mecanismos de ação é uma alternativa importante. Objetivou-se avaliar o controle promovido pelo novo herbicida Calaris®, mistura formulada de [atrazine+mesotrione] aplicado em pós-emergência das plantas daninhas, de forma isolada ou em mistura com outros herbicidas. Os experimentos foram conduzidos em casa de vegetação, um para cada planta daninha avaliada, em delineamen… Show more

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Cited by 8 publications
(4 citation statements)
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“…in this class, consistent with what has been described in other greater beggarticks populations across South America (Lamego et al, 2009;Mendes et al, 2019). For HPPD-inhibiting herbicides (mesotrione and tembotrione), frequently used in corn fields, their tank mix with atrazine can provide efficient greater beggarticks control (Matte et al, 2018). Despite the levels of control observed with PSII inhibitors (atrazine and bentazon), atrazine resistance has already been reported in this species (Heap, 2019), than, careful recommendations should be made for the sustainable use of PSII herbicides.…”
Section: Resultssupporting
confidence: 81%
“…in this class, consistent with what has been described in other greater beggarticks populations across South America (Lamego et al, 2009;Mendes et al, 2019). For HPPD-inhibiting herbicides (mesotrione and tembotrione), frequently used in corn fields, their tank mix with atrazine can provide efficient greater beggarticks control (Matte et al, 2018). Despite the levels of control observed with PSII inhibitors (atrazine and bentazon), atrazine resistance has already been reported in this species (Heap, 2019), than, careful recommendations should be made for the sustainable use of PSII herbicides.…”
Section: Resultssupporting
confidence: 81%
“…O uso da combinação entre princípios ativos pode provocar efeitos adversos sobre as plantas daninhas, e assim, tornam-se indispensáveis pesquisas sobre as suas prováveis interações, possibilitando apontar o uso adequado. Miller & Regehr (2002) e Abit et al (2009) observaram que alguns genótipos de sorgo granífero apresentaram 60% de fitointoxicação quando submetidos ao herbicida mesotrione (inibidor da HPPD) no estádio de quatro folhas (Matte et al, 2018).…”
Section: Resultsunclassified
“…One of the consequences of the action of these herbicides is the formation of reactive species of oxygen, capable of destroying the integrity of membranes, which leads to necrosis and death of leaves and other tissues. Inhibitors of carotenoid synthesis, in turn, can block the activity of enzymes such as phytoene desaturase (PDS) and ρ-hydroxy phenyl pyruvate dehydrogenase (HPPD), which are involved in routes of synthesis of pigments, such as lutein and zeaxanthin, that act dissipating energy and preventing the oxidation of chlorophyll a and b (Oliveira Junior, 2011;Matte et al, 2018).…”
Section: Resultsmentioning
confidence: 99%