Cactus
How to recognize and combat cactus rust
Cactus Rust Or Rust
Fungus
Type:
Risk to the plant:
HIGH
Puccinia Sp.
Pathogen:
Royas
WHO CAUSES IT?
The pathogen responsible for cactus rust belongs to a group of fungi known as rusts, which are highly specialized and parasitic on plants. These fungi develop by producing spores in different stages. First, the spores germinate and penetrate the cactus tissue through stomata or wounds. Once inside, they form haustoria that extract nutrients from the cactus cells, allowing the fungus to grow and reproduce. The new spores are then released and dispersed by wind or water, infecting other parts of the same cactus or nearby plants. This cycle can repeat several times during a growing season, especially under favorable environmental conditions such as high humidity and moderate temperatures.
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SYMPTOMS
The disease caused by rust in the cactus manifests itself through various symptoms that affect both the appearance and general health of the plant. These symptoms include:
- Yellow Taches on the upper surfaces of the leaves.
- Orange or brown pustules on the lower surfaces of the leaves.
- Deformation and necrosis of the affected leaves.
- Premature fall of leaves.
- Reduction in the general vigor of the plant.
- Lower photosynthetic capacity due to the loss of leaves.
- Appearance of necrotic areas on stems and fruits.
DEVELOPMENT CONDITIONS
Temperature:
15°C - 25°C
Humidity:
70% - 90%
HOW IS IT SPREAD?
Wind, water, contaminated tools, direct contact with infected plants, insect vectors, spores carried by animals, dispersal through soil
HOW TO ELIMINATE IT?
Home treatments
There are no 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
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