Royas
Rust
Puccinia Cannabina
Pathogen:
Fungus
Type:
Risk to the plant:
INTERMEDIATE
DESCRIPTION
WHO CAUSES IT?
Rust is a fungal disease caused by various fungi of the Puccinia genus. These fungi are plant parasites and can infect a wide variety of crops, including cannabis. Rust appears as brown, orange or yellow Taches on leaves, stems and other parts of the plant. These Taches are made up of spores of the fungus and can spread quickly if not properly controlled.
SYMPTOMS
In cannabis, rust can cause symptoms such as yellow or orange Taches on the leaves, stems and flowers, which may be accompanied by a dusting of rust-colored spores on the undersides of the leaves. As the disease progresses, the Taches can expand and merge, leading to a decrease in plant health and yield.
TEMPERATURE AND HUMIDITY
15°C - 25°C
60% - 80%
HOW IS IT SPREAD?
Wind, direct contact, transport of plant material.
HOW TO REMOVE IT?
Home remedies
There are no home treatments
Chemical treatments
• AZOXISTROBIN 25% [SC] P/V
• PIRACLOSTROBIN 6.7% + BOSCALIDE 26.7% ( ) [WG] P/P
• ORANGE OIL 60g/L [ME] P/S
Authorized treatments in organic farming
• ORANGE OIL 60g/L [ME] 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 rust in cannabis crops, it is important to implement integrated pest and disease management measures. This includes selecting resistant varieties, removing infected plants and crop debris, proper pruning to improve air circulation around the plants, maintaining an adequate level of humidity in the growing environment, and timely application. of specific fungicides when necessary.
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