Antracnosis
Anthracnose: what it is, how it occurs, and how to effectively eliminate it
Anthracnose
Colletotrichum Sp.
Pathogen:
Fungus
Type:
Risk to the plant:
INTERMEDIATE
DESCRIPTION
WHO CAUSES IT?
Anthracnose is a fungal disease caused by different species of fungi of the genus Colletotrichum, which affects a wide variety of plants, including ornamental and garden plants. This pathogen is characterized by producing dark Taches on the leaves, stems and fruits of infected plants. These Taches typically have a dark edge and a lighter-colored center, and over time they can expand and merge, causing breakdown of plant tissue and reduced plant yield.
SYMPTOMS
Anthracnose in ornamental and garden plants causes symptoms such as dark leaf Taches, necrotic lesions on stems and branches, as well as rotting of fruits and flowers. These symptoms can lead to premature defoliation, deformation of the shoots and loss of vigor of the plant, which negatively affects its aesthetic appearance and general health.
TEMPERATURE AND HUMIDITY
20°C - 30°C
70% - 90%
HOW IS IT SPREAD?
Rain, water splashes, direct contact with infected plant material, insect vectors.
HOW TO REMOVE IT?
Home remedies
There are no home treatments
Chemical treatments
• AZOXISTROBIN 25% [SC] P/V
• CAPTAN 47.5% [SC] P/V
• CIPRODINIL 37.5% + FLUDIOXONIL 25% [WG] P/P
• FOLPET 50% [SC] P/V
• FOLPET 80% [WG] P/P
• METIRAM 70% [WG] P/P
• PIRACLOSTROBIN 6.7% + BOSCALIDE 26.7% (I) [WG] P/P
• CUPRIC HYDROXIDE 25% (EXPR. IN CU) [WG] P/P
• LAMINARIN 4.5% [SL] P/S
• COPPER OXYCHLORIDE 35% (exp. 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
Treatments allowed in organic farming
• CUPRIC HYDROXIDE 25% (EXPR. IN CU) [WG] P/P
• LAMINARIN 4.5% [SL] P/S
• COPPER OXYCHLORIDE 35% (exp. 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
To prevent and control anthracnose in ornamental and garden plants, it is recommended to carry out integrated pest management practices. This includes removing infected plant debris, maintaining good air circulation around the plants, and preventatively applying specific fungicides. In addition, it is important to avoid excess moisture in the soil and in the environment, since anthracnose tends to spread more easily in conditions of high humidity.
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