David, Tricia Shelly Ann2018-09-172018-09-17https://hdl.handle.net/2139/45951Please 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.eduPlease 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.eduCabbage -- Diseases and pests -- Control -- Trinidad and TobagoDiamondback moth -- Control -- Trinidad and TobagoMarigolds -- Utilization -- Diseases and pests -- Control -- Trinidad and TobagoIntercropping -- Diseases and pests -- Control -- Trinidad and TobagoTheses