Virus
Lettuce mosaic virus: what it is, how it originates, and how to eliminate it effectively.
Lettuce Mosaic Virus
Virus Lmv
Pathogen:
Virus
Type:
Risk to the plant:
INTERMEDIATE
DESCRIPTION
WHO CAUSES IT?
Lettuce mosaic virus (LMV virus) is a viral pathogen that affects lettuce plants. This virus belongs to the Virgaviridae family and the Potyvirus genus. Its life cycle involves infection of host plant cells, where it replicates and produces new viral particles. These particles spread through different means, including the activity of insect vectors and direct contact between plants.
SYMPTOMS
Lettuce mosaic virus causes a series of symptoms in lettuce plants, including leaf Taches and deformations, reduced growth and production, and in severe cases, plant death.
- Taches and deformations on the leaves.
- Reduced growth and production.
TEMPERATURE AND HUMIDITY
20-25°C
60-80%
HOW IS IT SPREAD?
Insect vectors, direct contact between plants, infected seeds
HOW TO REMOVE IT?
Home remedies
There are no home treatments
Chemical treatments
There are no effective treatments against viruses, the treatments are focused on combating the insect or vector carrying the virus (SEE AVAILABLE TREATMENTS AGAINST INSECTS)
Authorized treatments in organic farming
There are no effective treatments against viruses, the treatments are focused on combating the insect or vector carrying the virus (SEE AVAILABLE TREATMENTS AGAINST INSECTS)
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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- Use certified and virus-free seeds.
- Practice disinfection of agricultural tools and equipment to prevent the spread of the virus.
- Implement measures to control insect vectors, such as the use of anti-insect nets or the application of specific insecticides.
- Eliminate and destroy infected plants to reduce the source of viral inoculum in the crop.
- Promote genetic diversity in lettuce crops to increase resistance to viral diseases.
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