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Leafminer Or Chard Fly
Pegomya Betae
Pathogène :
Insect
Type:
Risque:
HIGH
Minadores
¿QUIÉN LO CAUSA?
Pegomya betae, also known as the chard fly or chard miner, is a dipteran insect of the Anthomyiidae family. This pest is especially harmful to chard and beet crops. The adult female lays her eggs on the surface of the leaves. When the larvae hatch, they enter the leaf tissue and begin feeding between the upper and lower epidermis of the leaf, creating visible, serpentine mines. The larvae go through several molts before reaching maturity, at which point they emerge from the leaf and fall to the ground to pupate. The pupa, which develops in the soil, gives rise to a new adult that emerges to continue the cycle. This process can be repeated several times during the growing season, especially under favorable temperature and humidity conditions.
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SÍNTOMAS
In chard, Pegomya betae causes a disease that mainly affects the leaves, compromising both the quality and quantity of the plant's yield. The mines created by the larvae reduce the photosynthetic capacity of the leaves, weakening the plant and making it more susceptible to other diseases and adverse conditions.
• Presence of serpentine, whitish mines on the leaves.
• Withered or deformed leaves.
• Necrotic Taches where larvae have been feeding.
• Decrease in the general vigor of the plant.
• Reduction in plant growth and yield.
• Greater susceptibility to secondary infections.
TEMPERATURA Y HUMEDAD
15ºC - 25ºC
60% - 80%
VÍAS DE TRANSMISIÓN
Direct contact, gardening tools, wind, movements of contaminated soil, infested plants.
Do you want to remove this pest? Choose how you want to treat it.
TRATAMIENTOS
Tratamientos químicos
• DELTAMETHRIN 2.5% [EW] P/V
• LAMBDA CYHALOTHRIN 10% [CS] P/V
• LAMBDA CYHALOTHRIN 10% [CS] P/V
Tratamientos permitidos en agricultura ecológica
• LAMBDA CYHALOTHRIN 10% [CS] P/V
• LAMBDA CYHALOTHRIN 10% [CS] P/V
Tratamientos biológicos
-
Recomendaciones
• Carry out regular plant monitoring to detect the presence of eggs and larvae early.
• Use yellow sticky traps to capture adults and reduce the population.
• Implement a crop rotation, avoiding planting chard or beets in the same place for several consecutive seasons.
• Maintain field hygiene by eliminating infected plant remains to reduce inoculum sources.
• Apply specific insecticide treatments in case of severe infestations, following local recommendations and regulations.
• Encourage the presence of natural enemies such as parasitoid wasps and predators that can help control the pest population.
• Use soil covers to make it difficult for larvae to access the soil to pupate.
• Consider using trap crops to attract adult flies away from the main crop.
TRATAMIENTOS
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
*Los tratamientos recomendados no dejan de ser recomendaciones según las bases de datos de las autoridades y en ningún momento sustituyen las directrices marcadas según la legislación de cada país
*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.
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