Oídio
Powdery Mildew
Erysiphe Cichoracearum
Pathogen:
Fungus
Type:
Risk to the plant:
INTERMEDIATE
DESCRIPTION
WHO CAUSES IT?
Powdery mildew, also known as powdery mildew, is a fungal disease caused by various fungi of the genus Oidium. These fungi are common pathogens that can infect a wide variety of plants, including cannabis. Powdery mildew manifests itself as a white or grayish powder that appears on the leaves, stems and flowers of infected plants.
SYMPTOMS
In cannabis, powdery mildew can cause a number of symptoms, including the formation of white or grayish Taches on leaves, stems and flowers, as well as general weakening of the plant. As the disease progresses, the Taches can merge and cover large areas of the plant, negatively affecting its ability to photosynthesize and ultimately its health and performance.
TEMPERATURE AND HUMIDITY
18°C - 25°C
40% - 60%
HOW IS IT SPREAD?
Spores carried by wind, direct contact with infected plants, transport of contaminated plant material.
HOW TO REMOVE IT?
Home remedies
There are no home treatments
Chemical treatments
• ORANGE OIL 6% [SL] P/V
• ORANGE OIL 60g/L [ME] P/S
• AZOXISTROBIN 20% + DIFENOCONAZOLE 12.5% [SC] P/V
• AZOXISTROBIN 25% [SC] P/V
• SULFUR 70% [SC] P/V
• SULFUR 72% [SC] P/V
• SULFUR 80% [DP] P/P
• COS-OGA 1.25% [SL] P/V
• EUGENOL 3.3% + GERANIOL 6.6% + THYMOL 6.6% [CS] 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
• POTASSIUM HYDROGEN CARBONATE 99% [SP] P/P
• LAMINARIN 4.5% [SL] P/S
• PIRACLOSTROBIN 6.7% + BOSCALIDE 26.7% ( ) [WG] P/P
• TETRACONAZOLE 12.5% [ME] P/V
Authorized treatments in organic farming
• ORANGE OIL 6% [SL] P/V
• ORANGE OIL 60g/L [ME] P/S
• SULFUR 70% [SC] P/V
• SULFUR 72% [SC] P/V
• SULFUR 80% [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
• POTASSIUM HYDROGEN CARBONATE 99% [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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Effective against all types of fungi
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To prevent and control powdery mildew in cannabis crops, it is important to implement integrated pest and disease management measures. This includes selecting resistant varieties, proper pruning to improve air circulation around the plants, maintaining an adequate level of humidity in the growing environment, regularly monitoring the plants for early signs of infection, and Timely application of specific fungicides when necessary.
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