Two field experiments in central Italy on wheat showed that theapplication rate of clodinafop-propargyl could be significantly reducedto 1/2 of the labelled rate to control oats and canarygrass,with no loss in weed control efficacy. This reduction wasfavoured by the use of mineral or vegetable oil, with no apparentdifferences. No rate reduction of clodinafop-propargyl was possiblefor ryegrass, which needed at least the labelled rate plus vegetableor mineral oil to be satisfactorily controlled. A mixture ofdiclofop-methylfenoxaprop-p-ethyl could be effectively usedonly against oats controlled at 2/3 of the labelled rate. This mixturedid not prove effective against canarygrass, while it was effectiveagainst ryegrass only when applied at the maximum labelledrate mixed with vegetable or mineral oil.[...]

Influence of vegetable and mineral oils on the efficacy of some post-emergence herbicides for grass weed control in wheat

STAGNARI, FABIO;
2006-01-01

Abstract

Two field experiments in central Italy on wheat showed that theapplication rate of clodinafop-propargyl could be significantly reducedto 1/2 of the labelled rate to control oats and canarygrass,with no loss in weed control efficacy. This reduction wasfavoured by the use of mineral or vegetable oil, with no apparentdifferences. No rate reduction of clodinafop-propargyl was possiblefor ryegrass, which needed at least the labelled rate plus vegetableor mineral oil to be satisfactorily controlled. A mixture ofdiclofop-methylfenoxaprop-p-ethyl could be effectively usedonly against oats controlled at 2/3 of the labelled rate. This mixturedid not prove effective against canarygrass, while it was effectiveagainst ryegrass only when applied at the maximum labelledrate mixed with vegetable or mineral oil.[...]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11575/2460
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