Polar, Perry2008-12-112008-12-112008-12-11https://hdl.handle.net/2139/2487enPlease 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.eduCacao -- Trinidad and TobagoAgrobacterium -- Trinidad and TobagoAgrobacterium tumefaciens -- Trinidad and TobagoThesis