2006
DOI: 10.1614/wt-05-162.1
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Glyphosate Spray Drift Management with Drift-Reducing Nozzles and Adjuvants

Abstract: Field experiments were conducted to evaluate the effect of five spray-nozzle types and three drift-control adjuvants (DCA) on glyphosate spray drift. The extended-range (XR) flat-fan nozzle at 280 kPa was used as the standard comparison. DCAs were evaluated for drift reduction with the use of the XR and air-induction (AI) nozzles. Wind speed ranged from 1.3 to 9.4 m/s (3 to 21 mph). Lethal drift (DL) and injury drift (DI) were determined by downwind visual observation of grain sorghum response. Drift distances… Show more

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Cited by 36 publications
(34 citation statements)
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“…At 10 and 20% of the commercial dosage of glyphosate, the observed phytotoxicity was 17.8 and 31.0%, respectively ( Figure 1A). The predominant use of glyphosate for resistant crops presents significant opportunities for drift (Johnson et al, 2006), and it is one of the most widely used herbicides globally (Ghisi & Cestari, 2013).…”
Section: Resultsmentioning
confidence: 99%
“…At 10 and 20% of the commercial dosage of glyphosate, the observed phytotoxicity was 17.8 and 31.0%, respectively ( Figure 1A). The predominant use of glyphosate for resistant crops presents significant opportunities for drift (Johnson et al, 2006), and it is one of the most widely used herbicides globally (Ghisi & Cestari, 2013).…”
Section: Resultsmentioning
confidence: 99%
“…An increase in boom height, application pressure, and wind speed corresponded to an increase in downwind spray deposition in field situations . Further field and wind tunnel experiments demonstrated that nozzle type, active ingredients, and adjuvants influenced the off‐target movement of sprays through droplet size manipulation . An increase in spray droplet size results in a decrease in spray particle drift.…”
Section: Introductionmentioning
confidence: 94%
“…Formulations can show a reduction in fines produced through a particular nozzle, while baseline or worse performance is found through another. [6,27] Additionally, pure water is extensively used as the test carrier fluid in spray testing;…”
Section: Agricultural Spraying Overviewmentioning
confidence: 99%