Study on the Effect of Waste Engine Oil on the Growth of Three Local Pepper Species <i>Capsicum frutescens</i>, <i>Capsicum chinense</i> and <i>Capsicum annum</i>


  • Donald O. Obazuaye
  • Henrietta O. Obueh College of Education, P. M. B. 1144, Ekiadolor, Benin City, Edo State, Nigeria.


Waste engine oil, Soil, Pepper, Capsicum frutescens, Capsicum chinese, Capsicum annum, bacterial population.


The effect of waste engine oil on germination, height and nutrient uptake of three species of pepper (Capsicum frutescens, Capsicum chinense and Capsicum annum) was studied. After growth in 0%, 1%, 3%, 6% and 9% w/v oil contaminated soil, the germination, growth and height of the pepper species were inhibited by the treatments of 3%, 6% and 9% concentrations and reduced growth in 1% treatment. Only the control (0%) had germination. Capsicum annum was the most affected pepper specie. Germination and growth of the pepper species was in the order C.annum < C.chinense < C.frutescens. Nutrient uptake was inhibited in the three pepper species in concentrations of 3%, 6%, 9% waste engine oil. There was decline in the bacterial population in soil with increasing concentration of waste engine oil.

Author Biography

Henrietta O. Obueh, College of Education, P. M. B. 1144, Ekiadolor, Benin City, Edo State, Nigeria.

Biology Department, Senior Lecturer


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How to Cite

Obazuaye, D. O., & Obueh, H. O. (2014). Study on the Effect of Waste Engine Oil on the Growth of Three Local Pepper Species <i>Capsicum frutescens</i>, <i>Capsicum chinense</i> and <i>Capsicum annum</i>. Asian Journal of Applied Sciences, 2(5). Retrieved from