Eucalyptus leaf blotch pathogen

Eucalyptus leaf blotch pathogen

Teratosphaeria cryptica

Common name:

Eucalyptus leaf blotch pathogen

Scientific name:

Teratosphaeria cryptica

Alternative common names:


Description:

The eucalyptus leaf blotch pathogen disease is responsible for the most serious and common leaf spot disease. They produce leaf lesions, they reduce the effective photosynthetic area, resulting in eventually in premature defoliation and reduced growth rates.

Additional Information


Where does this species come from?

Uruguay

What is its invasive status in South Africa?

NEMBA 2020 Category 1b

Where in South Africa is it a problem?

Not yet known.

How does it spread?

Has been moved around the world through the establishment of eucalypt plantations.

Why is it a problem?

Reduces the effective photosynthetic area, resulting eventually in premature defoliation and reduced growth rates. This eucalyptus disease causes spots that usually penetrate through the leaf causing considerable economic losses on a wide variety of host plants worldwide including economically important crops such as banana, cereals, sugar beet, strawberry, soybean, citrus, eucalypts, acacia, pines and many others.

What does it look like?

Leaves: None
Flowers: None
Fruit/seeds: None

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