
Manzano
How to recognize and combat phytoplasma or apple blossom
Phytoplasma Or Proliferation Of The Apple Tree
Bacterium
Type:
Risk to the plant:
CRITICAL
Phytoplasma Mali
Pathogen:

Virus
WHO CAUSES IT?
Phytoplasma mali is a phytopathogenic bacteria that causes the disease known as phytoplasma or apple tree proliferation. This pathogen is transmitted mainly by insect vectors, such as leafhoppers, which feed on the plant's sap. Phytoplasma mali lives in the phloem of plants, and its presence interrupts the transport of nutrients, causing deformations and other problems in the growth of the apple tree.
SYMPTOMS
Apple phytoplasma produces varied symptoms in infected trees. Affected apple trees present deformations in the leaves and branches, abnormal growth and proliferation of thin and long shoots. In addition, changes can be observed in the shape and size of the fruits, and a decrease in the quality and quantity of the harvest.
• Deformations in leaves and branches.
• Abnormal growth of thin and long shoots.
• Changes in the shape and size of the fruits.
• Decrease in the quality and quantity of the harvest.
• Regressive death of branches and general weakening of the plant.



DEVELOPMENT CONDITIONS
Temperature:
18°C - 28°C
Humidity:
60% - 80%
HOW IS IT SPREAD?
Insect vectors (such as leafhoppers), grafts of infected plants, direct contact between plants.
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.
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