دیگر
Anthracnose of Currant and Gooseberry
Drepanopeziza ribis
فطر
لب لباب
- Dark spots on the leaves. Leaf margins roll up and wither. Defoliated plant in midsummer.۔
اس میں بھی پایا جا سکتا ہے
دیگر
علامات
Dark, dot-like spots appear on the leaves. Later the spots grow into each other and spread more or less over the whole leaf. The leaf margins roll up and wither. Infected leaves fall off at abnormal stages, and bushes are defoliated to a large extent in midsummer.
سفارشات
نامیاتی کنٹرول
When you notice first spots, cut the affected leaves.
کیمیائی کنٹرول
Always consider an integrated approach with preventive measures together with biological treatments if available. Fungicides of the strobilurins family, or those based on copper, fluazinam, pyraclostrobin or cyprodinil and fludioxonil can be applied.
یہ کس وجہ سے ہوا
Anthracnose is caused by a fungus that hibernates on fallen leaves. In spring, spores grow on the old leaves and are carried by the wind to the young leaves, where they cause a new infection. In humid climates, the fungus forms new spores on the infected leaves. These help to spread the fungal spores and with them, the disease.
احتیاطی تدابیر
- Remove infected leaves before spring. Prune the bushes for good ventilation. Mulching is highly recommended. Apply fertilizer to strengthen plants. Plant resilient varieties like the “Rovada” currant, and the “Invicta”, “Mucurines”, or “Reflamba” gooseberry.۔
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