External links
References
- CABI. (2000): Crop protection compendium. Global module, 2nd edition. CABI Publishing, Wallingford, UK.
- CABI. (2004): Crop protection compendium. 2004 Edition. CAB International Publishing. Wallingford, UK.
- CIKS. (2003): Useful tips for organic cotton cultivation. Center for Indian Knowledge Systems. Chennai, India.
- CIKS. (2000): Bollworm control in cotton. Center for Indian Knowledge Systems. Chennai, India. Pesticide Post. Vol. 8, No 6.
- Hasse, V. (1987): Cotton. No 1-2. Philippine-German Cotton Project, Department of Agriculture. Manila, Philippines
- Hoffman, M.; Wilson, L.; Zalom, F. (1991): Area-wide pheromone trapping of Helicoverpa zea and Heliothis phloxiphaga (Lepidoptera: Noctuidae) in the Sacramento and San Joaquin valleys of California. Journal of Economic Entomology. Vol. 84.
- ICIPE. (2003): Development of biocontrol-based management of Helicoverpa armigera in eastern and southern Africa. 2000-2003 ICIPE Scientific Report. International Center for Insect Physiology and Entomology, Nairobi, Kenya.
- Matthews, G.; Tunstall, J., eds. (1994): Insect pests of cotton. CABI International, UK.