
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)
Treatments allowed 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)









