Browsing by Author "Van Zyl, F. G. H. (Frederik Gerhardus Heremias)"
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- ItemStrains of the crown gall pathogen, Agrobacterium tumefaciens, and their biological control in South Africa(Stellenbosch : Stellenbosch University, 1989-03) Van Zyl, F. G. H. (Frederik Gerhardus Heremias); Loos, M. A.; Stellenbosch University. Faculty of Science. Department of Microbiology.No abstract available.