Cercospora Leaf Spot: Symptoms

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Brownish  circular spots

During the initial stage of infection, brownish circular spots with light-grey centers and reddish-brown margins appear on leaves.

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tan spot

Later on, they develop into large circular tan spots, up to 1.5 cm in size, formed by dark concentric rings growing around a whitish center.

Circular tan spots

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2

Frog-eye  appearance

A rough dark ring and a yellow halo gives the spots the characteristic ‘frog-eye’ appearance. As the spots become more numerous, they gradually coalesce to form large leaf lesions.

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3

oraganic

At later stages of the infection, leaves turn yellow and wilt or drop, exposing fruits to sunscald.

Leaves  turn yellow

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4

atems

In some cases, the fungus may also cause lesions on the stems and even the fruits of the affected plants.

Stems and fruits affected

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5

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