Antracnosis
Anthracnose
Coletotrichum Gloesporioides
Pathogen:
Fungus
Type:
Risk to the plant:
INTERMEDIATE
DESCRIPTION
WHO CAUSES IT?
Colletotrichum gloeosporioides is a phytopathogenic fungus that causes the disease known as anthracnose in apple trees. This fungus can infect various parts of the tree, including the leaves, fruits and branches. The pathogen produces spores that are dispersed through the air, rainwater and irrigation, and can survive in plant residues and soil. During favorable conditions, such as high humidity and moderate temperatures, the fungus germinates and penetrates the plant tissues.
SYMPTOMS
Anthracnose caused by Colletotrichum gloeosporioides produces lesions on the leaves, fruits and branches of apple trees. These lesions can vary in appearance, from dark Taches to depressed lesions on the fruits. The disease can cause premature dropping of leaves and fruits, and in severe cases, general weakening of the plant.
• Dark Taches on leaves and branches.
• Depressed lesions on the fruits.
• Premature fall of leaves and fruits.
• Reduction in the quality and quantity of the harvest.
• General weakening of the plant.
TEMPERATURE AND HUMIDITY
20°C - 28°C
80% - 95%
HOW IS IT SPREAD?
Spores carried by wind, rainwater, irrigation, contaminated pruning tools.
HOW TO REMOVE IT?
Home remedies
There are no home treatments
Chemical treatments
• BOSCALIDE 25.2% + PYRACLOSTROBIN 12.8% [WG] P/P
• CAPTAN 47.5% [SC] P/V
• CAPTAIN 80% [WG] P/P
• CIPRODINIL 37.5% + FLUDIOXONIL 25% [WG] P/P
• DIFENOCONAZOLE 25% [EC] P/V
• FLUDIOXONIL 23% [SC] P/V
• FLUDIOXONIL 50% [WG] P/P
• CUPRIC HYDROXIDE 13.6% (EXPR. IN CU) + COPPER OXYCHLORIDE 13.6% (EXPR. IN CU) [SC] P/V
• CUPRIC HYDROXIDE 25% (EXPR. IN CU) [WG] P/P
• CUPRIC HYDROXIDE 50% (EXPR. IN CU) [WP] P/P
• LAMINARIN 4.5% [SL] P/S
• METIRAM 70% [WG] P/P
• COPPER OXYCHLORIDE 35% (exp. in Cu) [WG] P/P
• COPPER OXYCHLORIDE 37.5% (EXPR. IN CU) [WG] P/P
• COPPER OXYCHLORIDE 38% (EXPR. IN CU) [SC] P/V
• COPPER OXYCHLORIDE 50% (EXPR. IN CU) [WP] P/P
• COPPER OXYCHLORIDE 52% (EXPR. IN CU) [SC] P/V
• CUPROCALCIC SULFATE 20% (EXPR. IN CU) [WG] P/P
Authorized treatments in organic farming
• CUPRIC HYDROXIDE 13.6% (EXPR. IN CU) + COPPER OXYCHLORIDE 13.6% (EXPR. IN CU) [SC] P/V
• CUPRIC HYDROXIDE 25% (EXPR. IN CU) [WG] P/P
• CUPRIC HYDROXIDE 50% (EXPR. IN CU) [WP] P/P
• LAMINARIN 4.5% [SL] P/S
• COPPER OXYCHLORIDE 35% (exp. in Cu) [WG] P/P
• COPPER OXYCHLORIDE 37.5% (EXPR. IN CU) [WG] P/P
• COPPER OXYCHLORIDE 38% (EXPR. IN CU) [SC] P/V
• COPPER OXYCHLORIDE 50% (EXPR. IN CU) [WP] P/P
• COPPER OXYCHLORIDE 52% (EXPR. IN CU) [SC] P/V
• CUPROCALCIC SULFATE 20% (EXPR. IN CU) [WG] P/P
Insect allies
PREDATORY MITES
LADYBUGS
LACEWINGS
PARASITIC WASPS
HOVERFLIES OR PARASITIC FLIES
PREDATORY BUGS
There are no natural allies
Mycodiplosis oidii (predatory mosquito)
EFFECTIVE PRODUCTS TO ELIMINATE THIS DISEASE
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Effective against all types of fungi
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• Improve air circulation between plants to reduce humidity.
• Prune and remove affected parts to prevent spread.
• Avoid sprinkler irrigation to minimize moisture in the tissues.
• Apply specific fungicides during critical moments of the growth cycle.
• Use apple tree varieties resistant to anthracnose.
• Clean and disinfect pruning and harvesting tools.
• Monitor regularly to detect early infections.
• Practice crop rotation to reduce the presence of the fungus in the soil.
Recommendations
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