Insecticidal Action of Pyrethrum Extract on the Carbohydrate and Phosphatase Biochemistry of the Larva of Rice-Moth, Corcyra cephalonica Staint. (Lepidoptera : Pyralidae)
Journal Title: International Journal of Zoological Investigations - Year 2018, Vol 4, Issue 2
Abstract
Sub-lethal doses ( 0.0001, 0.0002 and 0.0004% ) of pyrethrum extract caused a significantly dosedependent reduction in glycogen level and alkaline phosphatase activity and a significantly dose dependent enhancement in reducing sugar level and acid phosphatase activity in haemolymph and fat body tissues of the larva of rice-moth, C. cephalonica. It was observed that 0.0004% dose level of this extract caused maximum effect on these biochemical parameters. It may be concluded that pyrethrum extract induced alterations in the carbohydrate levels and phosphatase activities in haemolymph and fat body tissues which results into biochemical perturbations leading to death. So, application of pyrethrum extract is of course beneficial for the effective control of rice-moth, C. cephalonica in particular and lepidopterous pests in general in eco-friendly way.
Authors and Affiliations
SK Tiwari
Keywords
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