Antracnosis
WHAT IS AND HOW TO ELIMINATE
Anthracnose
Colletotrichum Acutatum
Pathogen:
Fungus
Type:
Risk to the plant:
INTERMEDIATE
DESCRIPTION
WHO CAUSES IT?
The pathogen known as anthracnose (Colletotrichum acutatum) is a fungus that affects a wide variety of plants, including strawberries. It is characterized by being an ascomycete fungus that can survive in plant residues and under stress conditions. This fungus is capable of generating spores that spread easily through wind, water and biotic vectors, which contributes to its rapid spread in plantations.
SYMPTOMS
The disease it produces in strawberries, known as anthracnose, manifests itself mainly in the fruits. Symptoms include the formation of dark circular Taches on the surface of the strawberry, which can grow and coalesce, causing the fruit to decay. Additionally, these lesions may be surrounded by a light-colored halo and exude a gelatinous substance under conditions of high humidity.
TEMPERATURE AND HUMIDITY
20°C - 30°C
80% - 90%
HOW IS IT SPREAD?
Wind, irrigation water, biotic vectors (insects), direct contact between plants, plant residues.
HOW TO REMOVE IT?
Home remedies
There are no home treatments
Chemical treatments
• AZOXISTROBIN 25% [SC] P/V
• CAPTAN 47.5% [SC] P/V
• CAPTAIN 80% [WG] P/P
• CIPRODINIL 37.5% + FLUDIOXONIL 25% [WG] P/P
• DIFENOCONAZOLE 12.5% + CYFLUFENAMIDE 1.5% [DC] P/V
• DIFENOCONAZOLE 25% [EC] P/V
• PIRACLOSTROBIN 6.7% + BOSCALIDE 26.7% (I) [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
• COPPER OXYCHLORIDE 35% (EXPR. 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) [WG] P/P
• COPPER OXYCHLORIDE 52% (EXPR. IN CU) [SC] P/V
• COPPER OXYCHLORIDE 70% (EXPR. IN CU) [SC] P/V
• CUPROCALCIC SULFATE 20% (EXPR. IN CU) [WG] P/P
• CUPROCALCIC SULFATE 20% [WP] P/P
Insect allies
EFFECTIVE PRODUCTS TO ELIMINATE THIS PEST
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Effective against all types of fungi
To prevent the spread of anthracnose in strawberry plantations, it is essential to practice crop rotation and eliminate plant residues that could act as reservoirs of the fungus. In addition, it is recommended to maintain adequate ventilation in the crop to reduce environmental humidity and avoid overcrowding of the plants, which favors the proliferation of the fungus. To control the disease once it has appeared, specific fungicide treatments can be applied, preferably preventively. It is also important to carry out sanitary pruning to eliminate infected fruits and reduce the spread of the fungus in the plantation.
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