Cerezo
How to recognize and combat cherry scything
Screening Or Pelleting
Fungus
Type:
Risk to the plant:
HIGH
Stigmina Carpophila / Wilsonomyces Carpophilus
Pathogen:
Micosis/Hongos
WHO CAUSES IT?
Stigmina carpophila and Wilsonomyces carpophilus are pathogenic fungi responsible for screening or pelleting in cherry trees. These fungi survive in the winter in the buds and in the lesions of infected shoots and branches. With the arrival of spring and increased humidity, conidial spores are produced and released in large quantities. These spores are spread by wind, rainwater, and overhead irrigation, infecting leaves, fruits, and young shoots. Once the spores land on the cherry tree tissue, they germinate and penetrate through the stomata or wounds, causing infection. As the disease progresses, the lesions become visible, and the fungi continue to reproduce, spread and survive in the dead tissues, perpetuating the cycle.
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SYMPTOMS
Screening or pelleting caused by Stigmina carpophila and Wilsonomyces carpophilus significantly affects the cherry tree, damaging leaves, buds and fruits, and reducing both the quality and quantity of production. Infections begin with the appearance of small Taches on leaves and fruits, which eventually develop into perforated holes in the infected tissue.
- Appearance of brown or purple circular Taches on the leaves
- Perforations in the leaves, giving a sifted appearance
- Dark and depressed lesions on the fruits
- Premature fall of affected leaves and fruits
- Cankers on young shoots and branches
- Drying and death of young shoots
DEVELOPMENT CONDITIONS
Temperature:
10°C - 25°C
Humidity:
70% - 90%
HOW IS IT SPREAD?
Wind, Rain, Sprinkler irrigation, Contaminated tools, Infected plant 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.
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