Fight apple scab - recognize and treat the fungus


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Apple scab is a fungal disease on the apple tree

Apple scab can occur worldwide and is a well-known Fungus disease on apple tree, Especially in fruit growing disease can be a major problem. If a tree is infested, a second one can quickly infect itself.

The apple scab occurs mainly in summer, when there is a lot of rainfall. Both leaves and fruits then show the typical signs, because they get spots in a dull olive green color.

Brown spots due to apple scab

Later these spots turn brown or even black. The leaves and the fruits then fall prematurely from the tree. A special feature is also the star-shaped cracks that occur mainly on the apples themselves.

It is not the scab itself that is dangerous, but the putrefaction that makes it easier to get at the fruit. The apples can be stored much shorter. For humans, the disease is not dangerous and the fruits can still be eaten.

In spring, the risk of infection is greatest.

Fight apple scab

  1. Foliage and fruit infested with apple scab should be picked up and destroyed. But definitely not on the compost pile.
  2. So that leaves and shoots can dry well, a cut of the treetop must be made.
  3. Sometimes it is unavoidable to use an anti-scouring agent, but the use of chemicals in the garden should be avoided as much as possible.

Video Board: Apple Scab Disease Management - how spore load impacts management.

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