Arranging successful weed control in trimming frameworks requires careful evaluation of the weed power and span of their opposition with the harvests. This 2â€year examination was done so as to decide the basic weed control period in sesame fields. Related and relative harvest yields were checked and broke down utilizing a fourâ€parametric logâ€logistic model. We recorded information from weedâ€free plots and contrasted these and information from various times of weed obstruction. In both, the examination years, the more extended time of weed impedance diminished the overall yield of sesame, while the yield was expanded with expanding term of the weedâ€free period. A 51–78.7% decrease in sesame yield was noted if the weeds were permitted to contend with the yield from planting to collect. In the main year, the length of the basic time frame for weed control (CPWC) was 177–820 developing degree days (GDD), which compared to 14–64 days after harvest rise (DAE), and somewhere in the range of 170 and 837 GDD (13–64 DAE) in the subsequent year; this depended on a 5% worthy yield misfortune. The aftereffects of this examination plainly explained that keeping up weedâ€free conditions is necessary from as right on time as the second week after the development of sesame plants, and this ought to be kept up in any event until the ninth week to maintain a strategic distance from sesame yield misfortunes by over 5%. These discoveries show that cultivators can profit by CPWC to improve weed control in sesame creation, including the viability of a weed control program and its expense.