Efficacy of some herbicides sequences against weeds in no-till horse bean and chickpea crops

In order to evaluate the efficacy of 18 sequences of pre and post emergence herbicides on weeds of no till faba bean and chickpea and their impact on crops grain yield, two trials were conducted during 2014-2015 growing season at Sidi El Aidi INRA research station and at a farmer’s farm in Ouled Said (Settat). Dominant species of weed flora in chickpea in Sidi El Aidi were: Bromus rigidus, Lolium rigidum, Avena sterilis, Cichorium endivia, Centaurea diluta, Emex spinosa and Papaver rhoeas. Dominant species of weed flora in faba bean at Ouled Said were: Avena sterilis, Plantago afra, Chrysanthemum coronarium, Centaurea diluta, Sonchus oleraceus and Silybum marianum. The obtained results showed that herbicides react differently on weed and crops. Treatments which showed good weed control and better selectivity provided the best crop yield. “Pendimethalin (1258,5 g/ha ) + Bentazon (960 g/ha)” and “Acetochlor (2100 g/ha) + Bentazon (960 g/ha)” provided good weed control and good selectivity in horse bean crop. “Pendimethalin (1258,5 g/ha) + Bentazon (960 g/ha)” needs to be more tested on chickpea before its recommendation on this crop. 

Keywords: herbicides, efficacy, weeds, horse bean, chick pea, no-till