Oviposition Deterrence and Other Biological Influences of Aqueous Leaves Extracts of Neem, Colocasia and Their Mixtures Alone or Combined with Gamma Radiation to Reduce the Risk of the Potato Tubermoth,Phthorimaea operculella (Zeller)

El- Sinary and S. A. Rizk

Pakistan Journal of Biological Sciences 5 ( 9 ): 911 - 914 , 2002