Cronje, Carel Pieter Roche2018-04-092018-04-091990https://hdl.handle.net/10539/24296A Thesis Submitted to the Faculty of Science, University of the Witwatersrand, Johannesburg, in fulfillment of the requirements for the Degree of Doctor of PhilosophyThe Epidemiology, occurrences and effect of BMV (Brome Mosaic virus) wheat (triticum aestivum) in the summer rainfall area. (Abbreviation abstract)enPlant viruses.Mosaic diseases.Wheat -- Diseases and pests.Thesis