Naranjo
How to recognize and combat anthracnose in orange trees
Anthracnose
Fungus
Type:
Risk to the plant:
INTERMEDIATE
Colletotrichum Spp.
Pathogen:
Antracnosis
WHO CAUSES IT?
Anthracnose, caused by several fungi of the genus Colletotrichum spp., is a fungal disease that affects a wide range of plants, including citrus. These fungi are common pathogens that can survive on infected crop residues and spores present in soil, infected plants, and plant debris. They are known for their ability to cause necrotic Taches on fruits, leaves and stems, leading to tissue decomposition and, in severe cases, crop loss.
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SYMPTOMS
Anthracnose in citrus is manifested by the presence of dark, sunken Taches on fruits, which may begin as small brown or black lesions and then expand rapidly as the infection progresses. These Taches are usually surrounded by a yellowish or orange halo on the skin of the fruit. Additionally, leaves and stems can also be affected, showing necrotic lesions that can eventually cause defoliation and decreased fruit production.
DEVELOPMENT CONDITIONS
Temperature:
25°C - 30°C
Humidity:
80% - 90%
HOW IS IT SPREAD?
Direct contact, contaminated irrigation water, agricultural tools, wind.
HOW TO ELIMINATE IT?
Home treatments
There are no home treatments
Natural allies
Chemical treatments
There are no treatments for this disease. Treatments are directed at the insect vectors that transmit it. See insect treatments.
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