Webb, Stephen Richard2017-05-192017-05-19https://hdl.handle.net/2139/44347Please contact the West Indiana Division at the University of the West Indies,St.Augustine in order to view the full thesis. Contact: wimail@sta.uwi.eduCorn -- Diseases and pests -- Trinidad and TobagoPesticides -- Research -- Trinidad and TobagoHeliothis zea -- Control -- Trinidad and TobagoAn investigation into the preparation and use of rogor and phosdrin granules against Heliothis zea (boddie) and Diatraea spp.Theses