Abstract
A two-year study was carried out to evaluate the seed yield potentials of thirteen sesame accessions in the derived savanna agro-ecology of Southeastern Nigeria. It was aimed at selecting high yielding accessions for cultivation in this zone. This is a part of a research programme mounted to arouse farmer’s interest in the cultivation of sesame in the derived savanna zone of Nigeria. The accessions are Adaukiari, Chimkwale yellow, 34-4-1, Cameroun white, Parchequeno, E8, Aliade, Kachia, Jigawa, Chimkwale, 69-1-9, Yobe gadaka and NCRI BEN 02M. The experiment was laid out in a randomized complete block design (RCBD) in three replications. The result indicated significant variation among the accessions in seed yield parameters. It also showed that some of the accessions produced outstanding seed yield as comparable to yields obtained in the sesame producing areas in Nigeria. Accessions 34-4-1, Cameroon white and Chimkwale which showed high seed yields of 863.9, 775.6 and 640.3 kg/ha, respectively, were recommended to farmers in the zone. Key words: Sesame, accessions, seed yield, derived savanna, agro-zone.
Highlights
Sesame known as beniseed belongs to the Pedaliaeace family
Thirteen sesame accessions were collected from the germplasm collection of National Cereals Research Institute (NCRI), Badeggi, Nigeria
Parchequeno reached 50% flowering earliest among the accessions while NCRI BEN O2M and Chimkwale yellow were the latest
Summary
Sesame known as beniseed belongs to the Pedaliaeace family. It is one of the most ancient crops grown for its oil rich seeds. The problem of low seed yield has been attributed to the cultivation of poor yielding dehiscent types, yield loss during threshing, lack of agricultural inputs such as improved varieties, fertilizers, pesticides and other agrochemicals, poor management and lack of appropriate breeding programme (Olowe et al, 2009; Pham et al, 2010) These authors further noted that lack of good varieties as a result of insufficient variety information for farmers is one important factor that affects the seed yield of sesame. In Nigeria, sesame production is concentrated in the middle belt areas alone (Agboola, 1979), and sesame production in the area is too low when compared to what are obtainable in other world major producers such as China (800 tonnes/annum), India (750 tonnes/annum) and Sudan (331 tonnes/annum) (Olowe et al, 2009). This study was carried out to evaluate sesame accessions with regards to their yield potentials in the derived savannah agro-ecology of south eastern Nigeria and thereby identifying accessions most suitable for cultivation in the zone
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