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Sun Spotting
Sunblotch Viroid
Pathogène :
Virus
Type:
Risque:
INTERMEDIATE
Virus
QUI EN EST LA CAUSE ?
Sunblotch viroid is a phytopathogenic agent composed of naked RNA, known to cause sunblotch disease in avocado (Persea Americana). Despite its small size and apparent simplicity, this pathogen can have devastating effects on avocado production, affecting both the quality and quantity of fruit produced.
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SYMPTÔMES
Sunblotch disease in avocado is characterized by a series of symptoms that include a mottled pattern on the leaves, with pale yellow to light green areas, often accompanied by leaf deformation and twisting. In addition, affected fruits may show abnormal Taches and discolorations, which reduces their commercial quality and nutritional value.
TEMPÉRATURE ET HUMIDITÉ
20ºC - 30ºC
60% - 80%
VOIES DE TRANSMISSION
Vegetative propagation, direct contact, contaminated tools, infected seeds, biological vectors.
Do you want to remove this pest? Choose how you want to treat it.
TRAITEMENTS
Traitements chimiques
There are no treatments against viruses. The treatments are aimed at controlling the vectors that transmit it.
Traitements autorisés en agriculture biologique
There are no treatments against viruses. The treatments are aimed at controlling the vectors that transmit it.
Traitements biologiques
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Recommandations
To prevent and control sunblotch disease in avocado, it is essential to implement integrated pest management practices. This includes selecting resistant varieties where possible, regularly inspecting trees for early signs of the disease, and removing infected plants to prevent the spread of the viroid. Additionally, controlling insect vectors and disinfecting pruning tools can help reduce transmission of the pathogen between trees.
TRAITEMENTS
Remèdes maison
There are no home treatments
Alliés naturels
Traitements chimiques
There are no treatments for this disease. Treatments are directed at the insect vectors that transmit it. See insect treatments.
RECOMMANDATIONS
- Check the back of the leaves frequently, especially in dry weather.
- Spray water on the leaves to increase humidity and prevent them from settling.
- Keep plants healthy with good watering and adequate light.
- If you see cobwebs or damage, clean the leaves with a damp cloth or pressurized water.
- Use potassium soap or neem oil every few days until they disappear.
Plantes répulsives
Rosemary, Dill, Coriander
PRODUITS RECOMMANDÉS
*Les traitements recommandés sont des recommandations basées sur les bases de données des autorités et ne remplacent en aucun cas les lignes directrices établies par la législation de chaque pays.
*Les produits présentés sont des recommandations et ne sont pas nos propres produits. En tant qu'associés Amazon, nous gagnons des revenus grâce aux achats de produits recommandés.
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