Influence of population density and season on seed yield and its components in Nigerian sesame genotypes

Influence of population density and season on seed yield and its components in Nigerian sesame genotypes

Authors

  • M.A. Adebisi Department of Plant Breeding and Seed Technology, University of Agriculture, P.M.B. 2240, Abeokuta, Ogun State
  • M.O. Ajala Department of Plant Breeding and Seed Technology, University of Agriculture, P.M.B. 2240, Abeokuta, Ogun State
  • D.K. Ojo Department of Plant Breeding and Seed Technology, University of Agriculture, P.M.B. 2240, Abeokuta, Ogun State
  • A.W. Salau Department of Horticulture, University of Agriculture, P.M.B. 2240, Abeokuta, Ogun State

Keywords:

Heritability, genetic advance, seed production efficiency

Abstract

A field experiment was conducted to assess the impact of three population densities and two seasons on seed yield of 14 genetically diverse Nigerian sesame genotypes. Cultivars 530-6-1, Type A and Pbtil No 1 generally outperformed others. Population density of 166,667 plants ha-1 gave 40% more yield than that at 266,667 plants ha-1 and was the best for maximizing yield under rain-fed conditions. Regarding seasonal influences, yield was about 11% higher in the 2002 season than in 2001. Heritability results revealed that seed weight is highly heritable in sesame with a possibility for high selection gains, while the other yield components were greatly influenced by population densities and seasons signifying moderate-to-high gains. Significant positive relationship was found between seed yield and capsule weight, capsule number and seed production efficiency implying that yield is a function of these parameters and selection based on these could further improve the yield potential.

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Published

29-10-2006

How to Cite

Adebisi, M., Ajala, M., Ojo, D., & Salau, A. (2006). Influence of population density and season on seed yield and its components in Nigerian sesame genotypes. Journal of Tropical Agriculture, 43, 13–18. Retrieved from https://jtropag.kau.in/index.php/ojs2/article/view/126

Issue

Vol. 43 No. 0 (2005)

Section

Regular papers

License

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