STUDY ON THE IDENTIFICATION OF HERBICIDES WITH HIGH SELECTIVITY TO ENSURE CULTURAL HYGIENE IN GRAIN SORGHUM CROPS

The integrated management of weeds uses a combination of biological, cultural, mechanical and chemical measures to combat the weeds in order to maximize the economic profits. Integrated management strategies for cultural hygiene are not sufficiently developed for selective herbicides in order to combat weeds for Sorghum bicolor (L.). The efficacy of the applied herbicides was tested using the Abbott`s formula, and the most effective in controlling weeds in the grain sorghum culture for the Caracal Plain area was found to be the Trek P 334 SE herbicide, with a value of 97.21%, followed by Gardoprim Plus with a calculated coefficient of 95.33% and the herbicide Wing P whose value was 94.15%. The lowest coefficient was recorded for the Casper herbicide, 73.28%. The level of productions made this year in the herbicide experiment using the Alizee hybrid range between 3092 kg/ha at the Control variant and 8150 kg/ha when the Trek P 334 SE herbicide was applied. The increases recorded in all variants with herbicides, regardless of the active substance contained, have achieved very significant increases in production in comparison with the Control variant