Van der Waals, Jacqueline Elise2015-01-192015-01-192014/12/122013Pitsi, B(E 2013, Causal agent and control of brown spot of potatoes in South Africa, MInst(Agrar) Dissertation, University of Pretoria, Pretoria, viewed yymmdd <http://hdl.handle.net/2263/43225>M14/9/206http://hdl.handle.net/2263/43225Dissertation (MInst(Agrar))--University of Pretoria, 2013.en© 2014 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria.UCTDDissertation4362594