Gnomonia leaf tan

The Gnomonia-leaf blight is a fungal disease of the bird cherry , by Gnomonia erythrostoma is caused.

The pathogen overwinters on stuck, brown leaves. During winter, perithecia develop on the underside of the leaf , in which ascospores mature. The spore flight usually begins from mid-March and lasts into June. Infections are possible if the leaves remain wet for six hours . The eponymous leaf browning occurs from the end of July.

literature

• Thuringian State Agency for Agriculture: Leaflet on leaf tanning on stone fruit
• U. Harzer, D. Metzlaff, A. Orth: Recommended products and notes on plant protection in stone fruit 2015 . In: fruit growing . No. 2 , 2015, p. 91 .

Web links

• Gnomonia leaf tan in the Hortipendium