
Sun Spotting
Sunblotch Viroid
Pathogène :
Virus
Type:
Risque:
INTERMEDIATE
Virus




Descrição da doença
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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Descrição do patógeno
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.

TEMPERATURA E UMIDADE
20ºC - 30ºC
60% - 80%

CAMINHOS DE TRANSMISSÃO</span
Vegetative propagation, direct contact, contaminated tools, infected seeds, biological vectors.

CONTROL
Tratamento químico
There are no treatments against viruses. The treatments are aimed at controlling the vectors that transmit it.
Tratamento biológico
There are no treatments against viruses. The treatments are aimed at controlling the vectors that transmit it.
Traitements biologiques
-
Recomendações
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.