Oídio
Powdery Mildew
Leveillula Taurica
Pathogen:
Fungus
Type:
Risk to the plant:
INTERMEDIATE
DESCRIPTION
WHO CAUSES IT?
Powdery mildew, also known as white mildew, is a fungal disease that affects a wide variety of plants, including cucurbits. This pathogen, belonging to the genus Podosphaera spp., can cause significant damage to crops if not properly controlled.
SYMPTOMS
In cucurbits, powdery mildew produces a series of characteristic symptoms. These include the development of a white or grayish powder on the tops of the leaves, stems and fruits of infected plants. In addition, deformations can be observed in the leaves, such as curling or curling, as well as growth arrest and a decrease in fruit production.
TEMPERATURE AND HUMIDITY
20°C - 25°C
40% - 70%
HOW IS IT SPREAD?
Direct contact with infected plants, dispersal of spores through the air, and spread through contaminated growing tools.
HOW TO REMOVE IT?
Home remedies
There are no home treatments
Chemical treatments
• AZOXISTROBIN 20% + DIFENOCONAZOLE 12.5% [SC] P/V
• AZOXISTROBIN 25% [SC] P/V
• SULFUR 80% [DP] P/P
• SULFUR 80% [SC] P/V
• SULFUR 80% [WG] P/P
• SULFUR 80% [WP] P/P
• SULFUR 98.5% [DP] P/P
• BUPIRIMATE 25% [EC] P/V
• CIFLUFENAMID 10% [SC] P/V
• COS-OGA 1.25% [SL] P/V
• DIFENOCONAZOLE 12.5% + CYFLUFENAMIDE 1.5% [DC] P/V
• DIFENOCONAZOLE 25% [EC] P/V
• EUGENOL 3.3% + GERANIOL 6.6% + THYMOL 6.6% [CS] P/V
• FLUOPYRAM 40% [SC] P/V
• FLUXAPYROXAD 7.5% + DIFENOCONAZOLE 5% [SC] P/V
• POTASSIUM HYDROGEN CARBONATE 0.425% [AL] P/V
• POTASSIUM HYDROGEN CARBONATE 85% [SP] P/P
• KRESOXIM-METHYL 50% [WG] P/P
• LAMINARIN 4.5% [SL] P/S
• Penconazole 10% [EC] P/V
• PENCONAZOLE 20% [EW] P/V
• PIRACLOSTROBIN 6.7% + BOSCALIDE 26.7% (I) [WG] P/P
• TEBUCONAZOLE 25% [WG] P/P
• TRIFLOXISTROBIN 50% [WG] P/P
Authorized treatments in organic farming
• SULFUR 80% [DP] P/P
• SULFUR 80% [SC] P/V
• SULFUR 80% [WG] P/P
• SULFUR 80% [WP] P/P
• SULFUR 98.5% [DP] P/P
• COS-OGA 1.25% [SL] P/V
• EUGENOL 3.3% + GERANIOL 6.6% + THYMOL 6.6% [CS] P/V
• POTASSIUM HYDROGEN CARBONATE 0.425% [AL] P/V
• POTASSIUM HYDROGEN CARBONATE 85% [SP] P/P
• LAMINARIN 4.5% [SL] P/S
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 powdery mildew in cucurbit crops, it is important to implement integrated pest management practices. This includes regular pruning of plants to improve air circulation, weed control and removal of infected crop debris. In addition, preventive fungicides can be applied at critical moments in the crop cycle.
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