Cercosporosis
Beet Pox
Cercospora Beticola
Pathogen:
Fungus
Type:
Risk to the plant:
HIGH
DESCRIPTION
WHO CAUSES IT?
Cercospora beticola is a pathogenic fungus that causes the disease known as beet pox or cercosporosis, mainly affecting beet crops. This disease is a major concern for beet growers due to its ability to reduce crop yield and quality.
SYMPTOMS
In beet, Cercospora beticola produces a series of characteristic symptoms. These include the appearance of circular brown to purple Taches on the leaves of the plant. Over time, these Taches can expand and fuse, forming irregularly shaped necrotic lesions. In addition, concentric rings of different colors can be observed within the lesions, which gives a characteristic appearance to the disease.
TEMPERATURE AND HUMIDITY
20°C - 25°C
80% - 95%
HOW IS IT SPREAD?
Direct contact with infected plants, wind dispersal of spores, and movement of contaminated plant material.
HOW TO REMOVE IT?
Home remedies
There are no home treatments
Chemical treatments
• AZOXISTROBIN 12.5% + DIFENOCONAZOLE 12.5% [SC] P/V
• AZOXISTROBIN 20% + DIFENOCONAZOLE 12.5% [SC] P/V
• AZOXISTROBIN 20% + TEBUCONAZOLE 20% [SC] P/V
• DIFENOCONAZOLE 10% + FENPROPIDIN 37.5% [EC] P/V
• DIFENOCONAZOLE 25% [EC] P/V
• CUPRIC HYDROXIDE 13.6% (EXPR. IN CU) + COPPER OXYCHLORIDE 13.6% (EXPR. IN CU) [SC] P/V
• CUPROCALCIC SULFATE 20% (EXPR. IN CU) [WG] P/P
• TRIBASIC COPPER SULFATE 8% (expressed in copper) + SULFUR 64% [SC] P/V
• TETRACONAZOLE 10% [EC] P/V
• TETRACONAZOLE 12.5% [ME] P/V
• TETRACONAZOLE 4% [ME] P/V
Authorized treatments in organic farming
• CUPRIC HYDROXIDE 13.6% (EXPR. IN CU) + COPPER OXYCHLORIDE 13.6% (EXPR. IN CU) [SC] P/V
• CUPROCALCIC SULFATE 20% (EXPR. IN CU) [WG] P/P
• TRIBASIC COPPER SULFATE 8% (expressed in copper) + SULFUR 64% [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 cercosporosis in beet crops, it is recommended to implement integrated pest management measures. This includes crop rotation to reduce inoculum buildup in the soil, use of resistant varieties, and timely application of preventative fungicides.
Recommendations
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