2004
DOI: 10.1590/s0100-83582004000100015
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Dose econômica ótima de acifluorfen + bentazon para controle de picão-preto e guanxuma em soja

Abstract: RESUMO -As doses dos herbicidas são estabelecidas para uso em uma ampla variação de condições ambientais e de manejo das culturas. Contudo, algumas vezes, as doses de herbicidas podem ser reduzidas e, ainda assim, a interferência das plantas daninhas com a cultura pode ser suprimida. O objetivo deste trabalho foi testar a redução de dose para o herbicida acifluorfen + bentazon no controle de picão-preto (Bidens spp.) e guanxuma (Sida rhombifolia), em diferentes estádios de desenvolvimento das plantas daninhas,… Show more

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Cited by 10 publications
(22 citation statements)
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“…Regarding the time of application, especially at lower rates, a greater degree of control was observed at treatments where herbicide was applied at early stages of development (two to four leaves), especially 7 DAH (Table 1). Rizzardi & Fleck (2004) found similar results when studying weed control in soybeans. Postemergent herbicides have greater efficiency when applied to young plants (Dieleman et al, 1996).…”
Section: Resultssupporting
confidence: 57%
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“…Regarding the time of application, especially at lower rates, a greater degree of control was observed at treatments where herbicide was applied at early stages of development (two to four leaves), especially 7 DAH (Table 1). Rizzardi & Fleck (2004) found similar results when studying weed control in soybeans. Postemergent herbicides have greater efficiency when applied to young plants (Dieleman et al, 1996).…”
Section: Resultssupporting
confidence: 57%
“…The OER is calculated to obtain the maximization of profit (Rizzardi & Fleck, 2004). According to Dieleman et al (1996), the choice for the best rate to be applied can be successfully incorporated in the development of an integrated management program for weed control in order to achieve efficient control, low costs, and to lessen the environmental impact.…”
Section: Resultsmentioning
confidence: 99%
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