Field Evaluation of Bacillus thuringiensis, Insect Growth Regulators, Chemical Pesticide Against Helicoverpa armigera (Huber)(Lepidoptera: Noctuidae) and Their Compatibility for Integrated Pest Management

• Shahid Karim ., Muhammad Murtaza ., Sheikh Riazuddin .

• Pakistan Journal of Biological Sciences, February 1999, Science Alert
• DOI: 10.3923/pjbs.1999.320.326