Studies on yield losses caused by the stem borers Chilo partellus (Swinhoe) (Lepidoptera: Pyralidae) and Busseola fusca (Fuller) (Lepidoptera: Noctuidae) in grain sorghum

Van den Berg, Johann (1989)

Thesis (M. Sc. Agric.) -- University of Stellenbosch, 1989.

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Thesis

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