Effect of Trifloralin herbicide on emergence, growth and seed production of wild Oat (Avena fatua L.) under different depth


The experiment was applied during the agricultural season 2016-2017 to evaluate the growth and production of seeds for wild oats (Avena fatua L.) under the influence of the difference in the depth of seed presence in the soil (2, 4 and 8 cm) when using the Trifloralin herbicide concentrate with a concentration of (1,248) cm3 a.i /h Compared to the comparison treatment, Plastic pots 30 cm in diameter and 30 cm in depth were used and filled with loamly soil , The seeds were planted at 10 seed / pot rate and the treatment was treated with a pesticide and a thin layer of soil was placed after spraying the herbicide to prevent evaporation and photolysis. The experiment was applied in a global experimental manner with complete random design and three replicates. The results showed that the superiority of the Trifloralin herbicide treatment in the depths (2, 8) The seeds did not appear, which was reflected in the rest of the studied traits as the degree of vulnerability to these depths (10) degrees, which is very affected compared to the comparison , The effect of the depth was the seeds located in the depth (4) cm, the lowest proportion of the emergence of 66.67% and the low degree of vulnerability (4,16) and increase in the other studied traits is the height of the plant and number of plants / plant and number of leaves / plant and dry weight and the number of seeds / Plant (38.66, 2,00, 8,83, 6,56 and 19.50), respectively.


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