Guignardia Leaf Spot Quiz

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Guignardia Leaf Spot Quiz

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Reference: Guignardia Leaf Spot Fact Sheet.

1) Guignardia leaf spot commonly occurs on(Required)
2) The pathogen that causes Guignardia leaf spot also causes black rot of apple.(Required)
3) Guignardia leaf spot is caused by a(Required)
4) The typical symptoms associated with Guignardia leaf spot are roughly circular leaf spots with lighter centers and darker (purple-red) borders.(Required)
5) The Guignardia leaf spot pathogen commonly overwinters(Required)
6) Management of Guignardia leaf spot involves(Required)