An evaluation of the insecticidal properties of two viruses naturally associated with the bollworm, Heliothis armigera (HUBN) (Lepidoptera, Noctuidae) in South Africa

Whitlock, V. H (1974)

Thesis (Ph. D.) -- University of Stellenbosch, 1974.

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Thesis

Please refer to this item in SUNScholar by using the following persistent URL: http://hdl.handle.net/10019.1/54370
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