Rust
WHAT IT IS AND HOW TO ELIMINATE
Rosal
Rust
Phragmidium Mucronatum
Pathogen:
Fungus
Type:
Risk to the plant:
INTERMEDIATE
Royas
WHO CAUSES IT?
Rust is a fungal disease that affects a wide variety of plants, including rose bushes. This disease is caused by fungi of the genus Puccinia, which infect the leaves and other tissues of the plant, causing significant damage if not properly controlled.
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SYMPTOMS
In rose bushes, rust produces a series of characteristic symptoms. These include the appearance of yellow, orange or brown Taches on the leaves of the plant, often accompanied by a fine rust-colored powder on the underside of the leaves. Over time, the Taches can expand and merge, causing defoliation and weakening of the plant.
DEVELOPMENT CONDITIONS
Temperature:
15°C - 25°C
Humidity:
70% - 90%
HOW IS IT SPREAD?
Direct contact with infected plants, the spread of spores by wind and rain, and the movement of contaminated plant material.
HOW TO ELIMINATE IT?
Home treatments
Natural allies
Chemical treatments
There are no treatments for this disease. Treatments are directed at the insect vectors that transmit it. See insect treatments.
RECOMMENDED PRODUCTS TO ELIMINATE THE PEST
REPELLENT PLANTS
-
RECOMMENDATIONS
- Remove and discard infected leaves as soon as you detect them.
- Improves ventilation between plants, preventing them from being too close together.
- Avoid wetting the leaves when watering, especially in the afternoon or evening.
- Clean remains of old plants and nearby weeds.
- If necessary, apply a specific fungicide for rusts, following the product instructions.
- Rotate crops or change the location of plants each season if possible.
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