Blue dwarf of oats and aster yellows : diseases of cereals transmitted by the aster leafhopper, Macrosteles fascifrons Stal

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Westdal_Blue_dwarf.pdf(13.92 MB)
Date
1969
Authors
Westdal, Paul Harold Adalstein Niel
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http://hdl.handle.net/1993/8575
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FGS - Electronic Theses and Practica
Manitoba Heritage Theses