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Anthracnose is characterized by the appearance of black or brown spots on the leaves.
It affects many trees but in general does not present a major risk for them.
Anthracnose is a fungus that mainly affects fruit trees such as Cherry tree, the walnut, the vine, the raspberry bush, the blackcurrant, the Oak where the gooseberry, some shrubs likehydrangea but also vegetables like beans, the peas, the cucumber where the tomatoes.
It attacks the foliage but does not directly endanger the life of the plant or the tree, but only the quality of the harvest.
Treatment of anthracnose
- Spray a treatment based on Bordeaux mixture in late winter or early spring.
- Always avoid treating during periods of freezing as the product will lose all or part of its effectiveness
In a curative way:
- When the disease appears, remove or collect the affected leaves as you go and burn them to prevent contagion.
- Once bare, you can treat the tree or plant with a solution based on Bordeaux mixture.
Smart tip about anthracnose
During the winter, prune the trees that have been infected so that they regain their vigor when the warm weather returns, burn the branches and spray with Bordeaux mixture.
Take care to disinfect pruning tools before and after, so as not to contaminate other plants.