Antracnosis
Anthracnose
Colletotrichum Spp.
Pathogen:
Fungus
Type:
Risk to the plant:
INTERMEDIATE
DESCRIPTION
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.
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.
TEMPERATURE AND HUMIDITY
25°C - 30°C
80% - 90%
HOW IS IT SPREAD?
Direct contact, contaminated irrigation water, agricultural tools, wind.
HOW TO REMOVE IT?
Home remedies
There are no home treatments
Chemical treatments
• ORANGE OIL 60g/L [ME] P/S
• POTASSIUM PHOSPHONATES 50.4% (exp. as phosphorous acid) [SL] P/V
• 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
• COPPER OXYCHLORIDE 25% (EXPR. IN CU) [WG] P/P
• COPPER OXYCHLORIDE 30% (EXPR. IN CU) [WP] P/P
• COPPER OXYCHLORIDE 35% (exp. in Cu) [WG] P/P
• 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 50% (EXPR. IN CU) [WP] P/P
• COPPER OXYCHLORIDE 52% (EXPR. IN CU) [SC] P/V
• COPPER OXYCHLORIDE 70% (EXPR. IN CU) [SC] P/V
• CUPROUS OXIDE 50% (EXPR. IN CU) [WP] P/P
• CUPROCALCIC SULFATE 12.4% (EXPR. IN CU) [SC] P/V
• CUPROCALCIC SULFATE 20% (EXPR. IN CU) [WG] P/P
• CUPROCALCIC SULFATE 20% (EXPR. IN CU) [WP] P/P
• CUPROCALCIC SULFATE 20% (EXPR. IN CU) [WG] P/P
• CUPROCALCIC SULFATE 20% [WP] P/P
• TRIBASIC COPPER SULFATE 19% (EXPR. IN CU) [SC] P/V
Treatments allowed in organic farming
• ORANGE OIL 60g/L [ME] P/S
• 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
• COPPER OXYCHLORIDE 25% (EXPR. IN CU) [WG] P/P
• COPPER OXYCHLORIDE 30% (EXPR. IN CU) [WP] P/P
• COPPER OXYCHLORIDE 35% (exp. in Cu) [WG] P/P
• 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 50% (EXPR. IN CU) [WP] P/P
• COPPER OXYCHLORIDE 52% (EXPR. IN CU) [SC] P/V
• COPPER OXYCHLORIDE 70% (EXPR. IN CU) [SC] P/V
• CUPROUS OXIDE 50% (EXPR. IN CU) [WP] P/P
• CUPROCALCIC SULFATE 12.4% (EXPR. IN CU) [SC] P/V
• CUPROCALCIC SULFATE 20% (EXPR. IN CU) [WG] P/P
• CUPROCALCIC SULFATE 20% (EXPR. IN CU) [WP] P/P
• CUPROCALCIC SULFATE 20% (EXPR. IN CU) [WG] P/P
• CUPROCALCIC SULFATE 20% [WP] P/P
• TRIBASIC COPPER SULFATE 19% (EXPR. IN CU) [SC] P/V
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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To prevent and control anthracnose in citrus, it is crucial to implement integrated disease management practices. This includes proper pruning to promote air circulation, weed control to reduce competition for light and water, removal of infected fruit, and timely application of preventive fungicides during periods of high humidity and temperatures favorable for the disease. .
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