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Anthracnose on avocado
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A. A. Seif, icipe
Is this a Minor Pest?
Yes
Minor Pest Title
Anthracnose (Colletotrichum gloeosporioides)
Minor Pest Description
This fungal disease is primarily a post-harvest problem when fruit is at maturity stage. Infection takes place when fruit is still very young and the fungus stays dormant till the fruit ripens. The disease appears as depressed spots on the fruit and the spots are manifested as a rot, which can penetrate deep into the flesh. In wet weather, the spots may be covered with mass of slimy, salmon pink fungal spore mass. The disease may develop very rapidly in storage if conditions in storage are humid and warm.
The anthracnose fungus lives saprophytically on twigs, rotten fallen fruits and dead or dying infected leaves. The fungus is spread by water splash.
Minor Pest What to do.
- Remove dead branches and twigs since they harbour the fungus.
- Remove fallen rotten fruits from the field.
- Apply copper-based fungicides pre-flowering, at fruit formation, and after harvest.
Minor Pest Position
7
Minor Pest Firstcontent
205
Pest Type
fungal
Custom1
Common names;anthracnose, brown blight (of coffee and tea), tear stain, dieback (citrus), fruit rot, stem canker, black spot of fruit, ripe rot of pepper, anthracnose tear-stain (mango)
Host Plants
Avocados (Revised)
Minor Pest secondContent
433
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