Tithonia diversifolia, Moringa oleifera and Piper auritum: Alternatives for the control of Sitophilus oryzae

Abstract

With the objective to determine the effect exerted by vegetable powders of Tithonia diversifolia (Hemsl) A. Gray, Moringa oleifera (Lam) y Piper auritum Kunth on Sitophilus oryzae L., this experiment was performed. In the execution, adult insects were taken to evaluate the increase of them. Petri dishes of 9 cm with 10 insects were used inside additionally 5 g of rice (Oryza sativa L.) and 0.4 g of powder was added botanical species (T. diversifolia, M. oleifera, P. auritum previously dried at 40 0C for 72 hours and finely ground). At 40 days the test mounted, the number of insects present per plate was counted, and after testing, Z Multiple Comparison was performed using the software Stadistix. The results allowed us to conclude that these plant species are a viable alternative for the control of S. oryzae.

Keywords

• allelopathic effect
• stored grains
• pest insects
• vegetable powders