Cebolla
How to recognize and combat iris yellow spot or stripe virus in onions
Iris Yellow Spot Virus
Virus
Type:
Risk to the plant:
HIGH
Iris Yellow Spot Virus (Iysv)
Pathogen:
Virus
WHO CAUSES IT?
Iris Yellow Spot Virus (IYSV) is a phytopathogenic virus that mainly affects onion crops and is known to cause the disease called iris yellow spot virus. This virus belongs to the Tospovirus family and is transmitted by the western flower thrips (Frankliniella occidentalis). The virus can survive on alternative host plants and weeds, in addition to infected crops, contributing to its persistence in the environment.
.png){kind=small}
SYMPTOMS
Onion iris yellow spot virus produces a series of characteristic symptoms, such as chlorotic or yellow Taches on the leaves. These Taches can become necrotic areas and can clump together, causing damage to leaf tissues.
• Yellow or chlorotic Taches on the leaves.
• Necrotic lesions on the stained areas of the leaves.
• Weakening of the plant and decrease in its vigor.
• Reduction in the quality and quantity of the onion harvest.
DEVELOPMENT CONDITIONS
Temperature:
20 ºC - 28ºC
Humidity:
60% - 80%
HOW IS IT SPREAD?
Thrips, infected propagation material.
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
OTHER PESTS THAT MAY INTEREST YOU
DID YOU LIKE IT?
All this and much more, just a click away. TRY idMicrobe NOW!
Explore more tools
Services
Contact
Legal
©2023 by ZeriMar Laboratoire. All rights reserved.