Efficiency of Fine-Leaf Herbicides in Controlling Wild Barley Weeds Associated with Wheat Crop Triticum aestivum L.

Abstract

Abstract A field experiment was carried out during the 2022-2023 agricultural season at the research station of the Field Crops Department of the College of Agriculture / Tikrit University, with the aim of increasing the effectiveness of fine herbicides to combat the wild barley weed (Hordeum spontaneum) in wheat fields (Triticum aestivum L.). The experiment included two factors, the first was the bush pesticide Oxyal at the recommended concentration and 1/2 the recommended concentration, and the pesticide Topic at the recommended concentration and 1/2 the recommended concentration, in addition to the bush worker (Control). The second factor was the use of Tecnphyt PH with a concentration of 75 ml per 100 liters of water and 150 ml per 100 liters of water, in addition to the treatment without using this substance (distilled water only). It followed a randomized block design and was statistically analyzed according to Duncan’s multiple range test at the 5% level. The study concluded that no significant differences were recorded in the inhibition rate of the pesticides used and the domestic treatment, and the same applies to spraying with diffusers. Also, in terms of plant height, no statistical differences were recorded in wheat crop plants for pesticide treatments, while spraying treatments with spreading materials at two concentrations (150 and 75) ml/100 liters of water were superior for the same trait.