2016
DOI: 10.1590/s0100-83582016340400021
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Selectivity of Herbicides Inhibitors of Photosystem II for Sugarcane Cultivars

Abstract: -For the successful execution of chemical weed control in sugarcane crop, the selectivity of herbicides is a factor of great importance to maximize crop yield. Each cultivar may respond differently to the same herbicide in the same dose, and selectivity is not only determined by the visual presence or absence of phytotoxicity. Thus, the aim of this study was to evaluate the effects of herbicides amicarbazone, tebuthiuron, and diuron + hexazinona on the electron transport rate in photosystem II (ETR), along wit… Show more

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Cited by 6 publications
(3 citation statements)
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“…The symptoms of phytotoxicity caused by herbicides in sugarcane plants usually decrease along the time after application, which has already been observed by SIMÕES et al (2016). In this study, the electron transport rate showed recovery after 14 DAA, but the phytotoxicity caused by herbicides and the reduction in electron transport until 14 DAA did not interfere in stalk yield and technological quality of sugarcane.…”
Section: Introductionsupporting
confidence: 73%
“…The symptoms of phytotoxicity caused by herbicides in sugarcane plants usually decrease along the time after application, which has already been observed by SIMÕES et al (2016). In this study, the electron transport rate showed recovery after 14 DAA, but the phytotoxicity caused by herbicides and the reduction in electron transport until 14 DAA did not interfere in stalk yield and technological quality of sugarcane.…”
Section: Introductionsupporting
confidence: 73%
“…Similarly, Silva et al [27] reported that different sugarcane varieties have different tolerance levels to ametryn + sodium triflusysulfuron applications. According to Simões et al [28], each sugarcane variety may respond differently to the same herbicide at the same rate. Pavani et al [29] also reported that the application of paraquat at various rates resulted in different biomass weight losses in each tested sugarcane variety, in which increases in the herbicide rate caused corresponding decreases in biomass weight up to 18 to 30%.…”
Section: Introductionmentioning
confidence: 99%
“…Nota-se que as doses de diuron que proporcionaram um controle eficiente das plantas daninhas foram menores que as recomendadas em bula deste herbicida, nas condições avaliadas. Estudos em ambientes semicontrolados tendem a promover maiores intoxicações nas plantas quando comparados com estudos em campo, porém fornecem estimativas confiáveis da ação do herbicida no ambiente(SIMÕES et al, 2016).Com os resultados obtidos neste experimento, pôde-se observar que os parâmetros CTC e MO foram os mais influentes na RS, influenciando também na eficiência de controle do diuron para E. indica e A. hybridus, e, consequentemente, na definição de doses. Entretanto, a recomendação de doses de aplicação deste herbicida, em bula, leva em consideração somente a textura do solo.…”
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