2011
DOI: 10.1590/s0034-737x2011000400017
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Abstract: Nitrogen participation in the induction of foliar injury and glyphosate efficacyThree experiments were carried out, two in greenhouse and one in the field to evaluate different aspects of nitrogen participation in the induction of leaf injuries and glyphosate efficacy. Glyphosate was applied in combination with urea (U), ammonium sulfate (AMS) and U+AMS; following N soil fertilization and spray solutions with N concentrations up to 20%. Application of nitrogen spray solutions did not provide satisfactory desic… Show more

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Cited by 5 publications
(31 citation statements)
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References 30 publications
(31 reference statements)
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“…In a study carried out with the herbicide glyphosate (360 g ha -1 ) in the control of morning glory (Ipomoea triloba L.) and johnsongrass (Sorghum halepense (L.) Pers.) species(s), it was found that the previous soil fertilization with 3 kg ha -1 of ammonium sulfate promoted greater control when compared to the others that used the same dose, in the evaluations carried out at 21 DAA (Carvalho et al, 2011). This result is similar to that observed by Sonderskov et al (2012) in control of Album chenopodium L. and Tripleurospermum inodorum (L.) Schultz Bip.…”
Section: Resultssupporting
confidence: 84%
“…In a study carried out with the herbicide glyphosate (360 g ha -1 ) in the control of morning glory (Ipomoea triloba L.) and johnsongrass (Sorghum halepense (L.) Pers.) species(s), it was found that the previous soil fertilization with 3 kg ha -1 of ammonium sulfate promoted greater control when compared to the others that used the same dose, in the evaluations carried out at 21 DAA (Carvalho et al, 2011). This result is similar to that observed by Sonderskov et al (2012) in control of Album chenopodium L. and Tripleurospermum inodorum (L.) Schultz Bip.…”
Section: Resultssupporting
confidence: 84%
“…Five adjuvants prototypes were produced from such crude residue, which were later used in the experiments (Table 2). In the experimental plant nursery, morning glory (Ipomoea triloba L.) was used as bioindicator, due to its control difficulty with glyphosate herbicide (Carvalho et al, 2011). The experiment was carried out from March to April, 2013.…”
Section: Methodsmentioning
confidence: 99%
“…Perennial forage plants are controlled with the use of systemic herbicides (Costa et al, 2013), such as glyphosate and sulfosate; the herbicide dose and the time required for control are variable among forage species and weeds (Carvalho et al, 2011;Silva et al, 2013, Ceccon andConcenço, 2014). The desiccation interval, which is the period between herbicide application and sowing of the new crop, ranges from 7 to 21 days, and the glyphosate dose ranges from 0.72 to 1.44 kg a.e.…”
Section: Introductionmentioning
confidence: 99%