Van Staden, Johannes.Erasmus, Daniël Jacobus.2014-03-272014-03-2719851985http://hdl.handle.net/10413/10530Thesis (Ph.D.)-University of Natal, Pietermaritzburg, 1985.Abstract viewable in PDF document.enChromolaena odorata.Herbicides.Theses--Botany.Achene biology and the chemical control of Chromolaena odorata.Thesis