Micosis/Hongos
Stipple disease: what it is, how it occurs, and how to effectively eliminate it
Stippling Disease
Schizothyrium Pomi
Pathogen:
Fungus
Type:
Risk to the plant:
MILD
DESCRIPTION
WHO CAUSES IT?
The pathogen Schizothyrium pomi is a phytopathogenic fungus that affects apple trees, causing the disease known as flyspeck. This fungus forms small black Taches on the surface of the fruits and leaves. The fungus survives on fallen plant debris and can remain dormant during the winter months. During the growing season, it becomes active and disperses through the air, infecting new areas of the plant.
SYMPTOMS
Spotting disease in apple trees produces small, dark Taches on the surface of the fruits and, occasionally, on the leaves. These Taches do not seriously damage the quality of the fruits, but affect their appearance, which can result in reduced market value.
• Small black Taches on the surface of the fruits.
• Less common Taches on leaves.
• Poor appearance of the fruits.
TEMPERATURE AND HUMIDITY
20°C - 30°C
60% - 90%
HOW IS IT SPREAD?
Airborne spores, direct contact with infected plants, contaminated pruning tools.
HOW TO REMOVE IT?
Home remedies
There are no home treatments
Chemical treatments
• COPPER OXYCHLORIDE 37.5% (EXPR. IN CU) [WG] P/P
• COPPER OXYCHLORIDE 38% (EXPR. IN CU) [SC] P/V
• COPPER OXYCHLORIDE 70% (EXPR. IN CU) [SC] P/V
Treatments allowed in organic farming
• COPPER OXYCHLORIDE 37.5% (EXPR. IN CU) [WG] P/P
• COPPER OXYCHLORIDE 38% (EXPR. IN CU) [SC] P/V
• COPPER OXYCHLORIDE 70% (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
• Maintain good air circulation between plants to reduce humidity.
• Prune internal branches to allow better sunlight penetration.
• Avoid sprinkler irrigation at night or in the morning.
• Use specific fungicides during critical moments of growth.
• Eliminate fallen plant debris to reduce sources of inoculation.
• Carry out regular monitoring to detect and manage the disease in its early stages.
• Disinfect pruning tools to avoid mechanical transmission.
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