الفهرس | Only 14 pages are availabe for public view |
Abstract bollworms insects in cotton pectinophora gossypiella and Erias insulana have an economic impact on cotton production in Egypt . chemical control tactics have been and will continue to be a predominant method of cotton protection. However , insect pest management approaches will continue to playan important role in decreasing losses due to bollworm as well as decreasing the number and amount of pesticides applied to the crop . thus these investigations were carried out to evaluate Certain approaches in reducing cotton bollworm infestation and increasing cotto yield and reduce conventional nsecticide application. |