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Seasonal variation of Capsicum frutescens L. (Chilli Pepper) to crude oil spill on soils from Ologbo, Edo State | Abstract
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Annals of Experimental Biology

Abstract

Seasonal variation of Capsicum frutescens L. (Chilli Pepper) to crude oil spill on soils from Ologbo, Edo State

Author(s): Ohanmu,E. O., Bako,S. P. and Adelanwa,M. A.

The effect of crude oil spillage on the growth performance of Capsicum frutescens L. (chilli pepper)was assessed in a polythene bag treated with 0 mL (control), MI (75% unpolluted + 25% crude oil polluted soil) and HI (50% unpolluted soil + 50% crude oil polluted soil) respectively. The various concentrations were arranged in a complete randomized block design duringthe rainy and dry season respectively. The plant height, leaf number, leaf area and chlorophyll determination were the parameter used for the study. Plant growth was retarded in both the MI and HI soil with the lowest values recorded in the HF 6WAT at both season. The results obtained on the growth rate of the Capsicum plant also showed a decrease in leaf number and leaf area values with increase in crude oil contamination. The leaf area was significantly reduced at 95% level of probability when compared with the control at 3WAT and 5WAT duringthe rainy and dry season respectively. Although there was insignificant difference in chlorophyll content in all treatment, however, symptoms such as chlorosis and leaf drop were observed at 3WAT. Hence, crude oil has a negative effect on the growth and survival rate of Capsicum plant.