Mirabelle plaques: recognize and effectively combat diseases and pests


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Mirabelle plums are small, sweet and tasty. It would be a shame if the crop yield is reduced by pests and diseases. To avoid that, you should act quickly.

Mirabelle plaques: recognize and effectively combat diseases and pests

The best protection against diseases and pests in the mirabelle begins with the choice of variety. Mirabelles can cause numerous parasites, fungi and typical tree diseases.

However, those who decide from the outset for resistant varieties that are resistant to most diseases and pests are on the safe side. Although an infestation can not be ruled out completely, it happens much less frequently than with susceptible varieties.

Already existing trees should be observed carefully, then you notice changes immediately and you can intervene in time.

Overview: Common diseases in mirabelles

Scrap shot disease

The shotgun disease can be recognized by round, red-brown spots on the young leaves. In the later stage, the leaves get small holes, then dry up and eventually fall off. The lower part of the mirabelle plum tree or shrub is usually more affected. With a regular Auslichtungsschnitt and a free, open location, you can prevent. An airy crown is a good protection. In addition, moderate fertilizer inputs are useful to strengthen the plant. A permanent pest helps a special pesticide.

Monilia-tip burn

The Monilia peak drought is caused by a fungus. The disease shows up immediately after flowering. Leaves, leaves and flowers look crumpled. On the first fruits, there are foul spots that quickly spread to the whole fruit. The fruits get brownish spots. Always collect and dispose of infected branches, twigs and fruits so that the disease does not progress further. For prevention, a Auslichtungsschnitt is useful again.

plum pox

The Scharkakrankheit is rare, but when it occurs, the tree is usually beyond saving. It is a viral disease transmitted by aphids. Leaves and fruits get white-brown spots. As a "first aid" remove all affected parts of plants. Do not compost, but burn or dispose of with household waste! Sometimes the disease can be contained. Cut the mirabelle far back, with luck she recovers and wears again next year.

Overview: Pest infestation on mirabelle plums

Frost margins

Already in the spring, the frost spanner or its larvae make their way over the leaves and shoot tips. They recognize the infestation at significant feeding sites. The small, inconspicuous butterfly lays its eggs on the mirabelle. From May small, green caterpillars are on the way.

Fight:

You can protect the mirabelle from the stem with glue rings, so you can stop the raid of the butterfly larvae.

aphids

Rolled leaves often indicate aphids. The parasites sit on the top and bottom of the leaves. As mentioned above, aphids can transmit critical schizka disease. But even if this is not the case, you have to get rid of the lice again.

Fight:

Combat the pests with a stinging nettle - spray repeatedly every few days until the aphids have disappeared.

Red spider

Another sign on the leaves: They turn yellow, curl up and fall off. Then usually the red spider is at work. The red spider is very small and almost invisible to the naked eye.

Fight:

The best antidote are natural predators, for example ladybugs, lacewings or predatory mites. If necessary, a chemical control agent works -aber please use sparingly. Affected plant parts and fallen leaves must be disposed of thoroughly.

" Basically: The healthier and stronger the mirabelle plum tree, the less chance pests, fungi and viruses have. In addition to the choice of a resistant variety are an airy treetop and a matched to the mirabelle plant fertilizer the best protection.

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