Field Evaluation of Neem (Azadirachta indica A. Juss) Products for the Management of Lepidopterous Stem Borers of Maize (Zea mays L.) in Calabar, Nigeria

D.A. Ukeh, S.O. Emosairue, I.A. Udo and U.A. Ofem

Research Journal of Applied Sciences 2 ( 6 ): 653 - 658 , 2007