Effect of Clodinafop-propargyl on Phalaris paradoxa L. (awned canary-grass) in wheat cropJournal: International Journal of Environment, Agriculture and Biotechnology (Vol.4, No. 6)
Publication Date: 2019-11-10
Authors : Hajjaj B El Oualkadi A;
Page : 1820-1822
Keywords : Phalaris paradoxa; Clodinafop-propargyl; wheat; density; biomass.;
Phalaris paradoxa is problematic weed that decrease considerably wheat crop yields. The aim of this study is to investigate the effect of Clodinafop-propargyl on Phalaris paradoxa infestation in a soft wheat crop. The experimental design was Randomized Complete Block Design (RCBD) with three replications. Each block contained 4 elementary plots, 3 plots of which were treated with three rates of application of Clodinafop-propargyl and one untreated control plot. Observations concerned Percentage of Phalaris paradoxa density reduction and biomass reduction. Results showed that treatments with Clodinafop-propargyl at 60 g/ha and 80 g/ha gave the best control of Phalaris paradoxa infestations recording respectively 96.2% and 98.5% of Phalaris paradoxa density reduction and 95.5% and 99.3% of Phalaris paradoxa dry biomass reduction. Clodinafop-propargyl at 40 g/ha recorded lower efficacies 77.1% and 82.3% respectively on Phalaris paradoxa density reduction, and Phalaris paradoxa dry biomass reduction.
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