Cotton bollworm, the greatest danger to Nicaragua's cotton crop. - - Integrated Pest Management Project. In the early 1980's, the Food and Agriculture Organization of the United Nations, in cooperation with the Nicaraguan Ministry of Agriculture and the University of Leon, financed a project to develop and integrate a pest management programme in the cotton growing region of Nicaragua near the city of Leon. The technical training and funding, provided by FAO, was instrumental in launching the programme, which now continues under the auspices of the Biological Control Laboratory of the University of Leon in conjunction with the Ministry of Agriculture.