Booker, Helen Mary2008-11-202008-11-202008-11-20https://hdl.handle.net/2139/404enPlease 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.eduCercospora -- Trinidad and TobagoCowpea -- Disease and pest resistance -- Trinidad and TobagoCowpea -- Diseases and pests -- Trinidad and TobagoLeaf spots -- Trinidad and TobagoStudies on resistance to cercospora leaf spot (CLS) disease and the impact of CLS and cowpea severe mosaic virus (CPSMV) diseases on productivity of vigna unguiculata (L.) Walp. in TrinidadThesis