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Journal of the Department of Agriculture, Western Australia, Series 4

Article Title

Downy mildew of onions

Authors

R F. Doepel

Keywords

Onions, Perenospora destructor, Western Australia

First Page Number

775

Last Page Number

776

Abstract

DOWNY mildew of onions, caused by the fungus Peronospora destructor, is widespread in Western Australia.

In market gardens adjacent to Perth where the majority of onions are grown the disease occurs each year in spring and early summer crops and often attains epidemic proportions.

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