
Powdery Mildew
Podosphaera Leucotricha
Pathogène :
Fungus
Type:
Risque:
INTERMEDIATE
Oídio


QUI EN EST LA CAUSE ?
Podosphaera leucotricha is a phytopathogenic fungus that causes the disease known as powdery mildew in apple trees and other fruit trees. The fungus develops on the surface of leaves, shoots and fruits, forming a visible mycelium and a white or grayish layer of sporulation. Podosphaera leucotricha can overwinter as mycelium in infected buds and produce spores when conditions are favorable.
.png)
SYMPTÔMES
Powdery mildew in apple trees manifests itself with the appearance of a white or grayish growth on the surface of the leaves, shoots and fruits. The disease can cause leaf deformation and wrinkling, as well as a reduction in the quality and quantity of the crop.
• White or grayish growth on leaves, shoots and fruits.
• Deformation and wrinkling of the leaves.
• Reduction in the quality and quantity of the harvest.
• Fruits with superficial lesions and reduction in commercial quality.


TEMPÉRATURE ET HUMIDITÉ
15°C - 25°C
60% - 80%

VOIES DE TRANSMISSION
Air, contact with infected plants, contaminated tools.
Do you want to remove this pest? Choose how you want to treat it.

TRAITEMENTS
Traitements chimiques
• ORANGE OIL 60g/L [ME] P/S
• SULFUR 70% [SC] P/V
• SULFUR 72% [SC] P/V
• SULFUR 80% [SC] P/V
• SULFUR 82.5% [SC] P/V
• BOSCALIDE 25.2% + PYRACLOSTROBIN 12.8% [WG] P/P
• BUPIRIMATE 25% [EC] P/V
• CIFLUFENAMID 5.13% [EW] P/V
• DIFENOCONAZOLE 1.67% [EC] P/V
• FLUOPYRAM 20% + TEBUCONAZOLE 20% [SC] P/V
• FLUXAPYROXAD 30% [SC] P/V
• POTASSIUM HYDROGEN CARBONATE 99% [SP] P/P
• KRESOXIM-METHYL 50% [WG] P/P
• SOY LECITHIN
• MEFENTRIFLUCONAZOLE 7.5% [SC] P/V
• Penconazole 10% [EC] P/V
• PENCONAZOLE 20% [EW] P/V
• CALCIUM POLYSULPHIDE 38% [DC] P/V
• TEBUCONAZOLE 20% [EW] P/V
• TEBUCONAZOLE 25% [WG] P/P
• TETRACONAZOLE 10% [EC] P/V
• TETRACONAZOLE 12.5% [ME] P/V
• TETRACONAZOLE 4% [ME] P/V
Traitements autorisés en agriculture biologique
• ORANGE OIL 60g/L [ME] P/S
• SULFUR 70% [SC] P/V
• SULFUR 72% [SC] P/V
• SULFUR 80% [SC] P/V
• SULFUR 82.5% [SC] P/V
• POTASSIUM HYDROGEN CARBONATE 99% [SP] P/P
• SOY LECITHIN
• CALCIUM POLYSULPHIDE 38% [DC] P/V
Traitements biologiques
-
Recommandations
• Use apple varieties resistant or tolerant to Podosphaera leucotricha.
• Practice proper pruning to improve air circulation and reduce humidity.
• Disinfect pruning tools and equipment to prevent the spread of the fungus.
• Apply specific fungicides following local recommendations.
• Avoid excess nitrogen fertilization, as it can favor the spread of the fungus.
• Carry out regular monitoring to detect and eliminate infected parts.
Enlace patrocinado
Enlace patrocinado
Enlace patrocinado
Enlace patrocinado
Enlace patrocinado
Enlace patrocinado
Effective against all types of fungi

TRAITEMENTS
Remèdes maison
There are no home treatments
Alliés naturels
Traitements chimiques
There are no treatments for this disease. Treatments are directed at the insect vectors that transmit it. See insect treatments.

RECOMMANDATIONS
- Check the back of the leaves frequently, especially in dry weather.
- Spray water on the leaves to increase humidity and prevent them from settling.
- Keep plants healthy with good watering and adequate light.
- If you see cobwebs or damage, clean the leaves with a damp cloth or pressurized water.
- Use potassium soap or neem oil every few days until they disappear.

Plantes répulsives
Rosemary, Dill, Coriander
PRODUITS RECOMMANDÉS
Enlace patrocinado
Enlace patrocinado
Enlace patrocinado
Enlace patrocinado
Enlace patrocinado
Enlace patrocinado
Effective against all types of fungi
*Les traitements recommandés sont des recommandations basées sur les bases de données des autorités et ne remplacent en aucun cas les lignes directrices établies par la législation de chaque pays.
*Les produits présentés sont des recommandations et ne sont pas nos propres produits. En tant qu'associés Amazon, nous gagnons des revenus grâce aux achats de produits recommandés.