2015
DOI: 10.1590/s0100-83582015000400017
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Sulfentrazone Selectivity and Efficiency in Cassava Crops in Sandy and Clayey Soils

Abstract: Recebido para publicação em 16.7.2015 ABSTRACT -Weeds have the potential to dramatically interfere in cassava cultivation, reducing its productive potential; however, there are few studies on the selective herbicides in this crop. Therefore, the objective was to evaluate in this work the selectivity and efficiency of sulfentrazone in cassava crops grown in sandy and clayey soils. Two experiments were carried out: The first one was carried out in sandy soil conditions in the conventional system; and the secon… Show more

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Cited by 3 publications
(5 citation statements)
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“…The other treatments form a single group, with an average of 27.9% starch content. Several authors, among them Abreu et al (2010), Franciscon et al (2016, Costa et al (2014), andCosta et al (2015b), have pointed out that pre-emergent and postemergent application of herbicides do not cause reductions in starch content.…”
Section: Results and Discussion 1 St Experimentsmentioning
confidence: 99%
See 1 more Smart Citation
“…The other treatments form a single group, with an average of 27.9% starch content. Several authors, among them Abreu et al (2010), Franciscon et al (2016, Costa et al (2014), andCosta et al (2015b), have pointed out that pre-emergent and postemergent application of herbicides do not cause reductions in starch content.…”
Section: Results and Discussion 1 St Experimentsmentioning
confidence: 99%
“…It can be seen that the glyphosate mixture did not affect the residuals' efficiency. In this regard, Costa et al (2015b) observed optimal control with application of Smetolachlor (960 -3840 g ha -1 ) and flumioxazin (50 -125 g ha -1 ) on cassava cv. 'Baianinha'.…”
Section: Nd Experimentsmentioning
confidence: 93%
“…Sulfentrazone (250-1000 g ha -1 ) was not selective for cassava cultivar 'Olho Junto' when cultivated in either sandy (21.2% of clay) or clayey (54.5% of clay) soils (Costa et al, 2015), suggesting the occurrence of varietal tolerance to PROTOX inhibitors, even in clayey soil. Further studies are necessary to determine which cassava varieties are more or less tolerant to PROTOX inhibitors in soils with different textures, as well as the most selective dosages.…”
Section: Discussionmentioning
confidence: 95%
“…Rainfall data observed during the experiments are shown in Figure 1. The soil in the experimental area was classified as Latossolo amarelo (EMBRAPA, 2013). Before setting up of the experiments, soil samples were collected from the experimental area, which presented the following physicochemical profile: pH in H 2 O, 5.7; H + + Al 3+ , 1.9 cmol c dm -3 ; Al 3+ , 0.03 cmol c dm -3 ; Mg 2+ , 1.4 cmol c dm -3 ; K + , 32 mg dm -3 ; P, 59 mg dm -3 ; organic matter, 1.02%; clay, 188 g kg -1 , silt, 174 g kg -1 ; sand (sandy loam texture), 638 g kg -1 .…”
Section: Methodsmentioning
confidence: 99%
“…More recently, the adoption of chemical control has substantially grown due to a significant shortage of labor in rural areas. The benefits of this method include the ease of execution and effective control of a broad spectrum of weeds (COSTA et al, 2015).…”
Section: Introductionmentioning
confidence: 99%