Abstract
Field trials were conducted in 2017 and 2018 wet seasons at Federal University Dutse Teaching and Research Farm (Latitude 11 46, 39”N and Longitude 9 20, 30”E) in the Sudan Savanna of Nigeria. To evaluate performance of sesame varieties as affected by poultry manure and weed control methods. The treatments consisted of five weed control treatments (pre-emergence application of ButachlorEC50%, hoe weeding at 3WAS +pre-emergence butachlor EC50%, pre-emergence butachlor EC50%+hoe weeding at 3 and 6WAS, hoe weeding @ 3 and 6WAS and weedy check), three level of poultry manure (5, 10, and 15t/ha) and three sesame varieties (Ben 01, Yandev 55 and Ben 04E. The treatments were laid out in split plot design and replicated three times. The results indicated that weed control methods had significant effect (0.05) on the sesame growth and seed yield comparable to hoe weeding control at 3 and 6WAS where plant height number of leaves, capsule number per plant and seed yield of sesame were significant higher with the application of butachlor plus hoe weeding at 3 and 6WAS compared to others weed control methods. Poultry manure application on sesame as 15t/ha gave taller plant height, more number of leaves, higher sesame dry weight, longer capsule length and seed yield of sesame than the other rates while Ben 01(455 and 1043 ) perform better than the others two varieties (Yandev 498, 756 and Ben4E 522 and 765 ) for 2017 and 2018 seasons. In conclusion, 
 
 
Highlights
Sesame (Sesamum indicum L.), a member of the Pedaliaceae family, is one of the ancient cultivated plants, mainly for its seeds as oil and food sources
Most of the work done on chemical weed control in sesame has been limited to the Southern Guinea Savanna Zone of Nigeria and other parts of the world with agro-ecology different from that of the semi-arid zone of Nigeria, characterized by low, erratic, variable and unreliable rainfall, which affect the performance of herbicides
In order to increase the productivity of sesame by using poultry manure and enhance crop growth and development through chemical weed control, this study was carried out to evaluate the efficiency of chemical weed control methods and determine the response of sesame varieties to poultry manure application
Summary
Sesame (Sesamum indicum L.), a member of the Pedaliaceae family, is one of the ancient cultivated plants, mainly for its seeds as oil and food sources It is an economically important crop widely cultivated in several countries (Ogbonna and UmarShaaba, 2011). Ndarubu et al (2003), reported highest sesame yield and effective weed control with application of herbicide mixture of metolachlor + metobromuron at 1.0 + 1.0 kg a.i./ha in the Guinea Savanna of Nigeria. Soils of the savannah regions are known to contain low nitrogen that are inadequate to sustain good growth and development of some crop plants. In order to increase the productivity of sesame by using poultry manure and enhance crop growth and development through chemical weed control, this study was carried out to evaluate the efficiency of chemical weed control methods and determine the response of sesame varieties to poultry manure application
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