Evaluation of Sesame Production Under Different Weed Control Strategies
Keywords:
Sesame; weed control; Agricultural production; plastic covering; seed quality; granulometric curve.Abstract
Sesame seeds (Sesamum indicum L.) are an oilseed plant with high nutritional value and commercial potential, especially in tropical regions such as the Colombian Middle Magdalena. This study evaluated the effect of three weed control strategies on sesame seed production and quality. Three treatments were implemented: black plastic cover (T1), organic cover by manual weeding (T2) and cleaning without cover (T3). The variables evaluated included the seed mass per plant, as well as its composition (moisture, organic matter and ash), granulometry and germination percentage. The results indicated that the plastic cover treatment (T1) generated an average production of 1,646 kg/ha. The germination percentage was higher than 98.6% in all treatments. Regarding the composition, the average values were similar between the treatments: moisture (5.14%), organic matter (90.05%) and ash (4.81%), which suggests that these variables were not affected by the control strategies. However, the granulometric analysis showed that the mean diameter of the seeds was greater in the treatment with plastic cover, exceeding by 6% and 18% compared to treatments 2 and 3, respectively. These results suggest that the use of plastic cover not only favors crop yield, but also improves the physical quality of the seeds. It is concluded that plastic cover is an effective strategy for the management of weeds in sesame cultivation under the conditions of the Middle Magdalena.
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