Coffee shrub: detect and combat diseases and pests

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The coffee bush is a robust plant. Care mistakes, however, can lead to deficiency symptoms and diseases, but you can avoid with a little care well.

Coffee bush:

Coffee beans from our own cultivation - for many coffee drinkers the dream par excellence. Of the 60 Coffea species, the coffee tree (Coffea aarabica) is the only coffee bean supplier. It takes about 3 to 4 years until the first harvest. You have to be patient and of course have a green thumb. Because even if the plant is very robust and resistant, especially care mistakes can lead to the plant getting sick or having deficiency symptoms.

In this article, we would like to explain to you how you can identify common changes in the plant and fight them accordingly.

Common diseases and pests on the coffee bush

Damage to the leaves and roots

"Discolored leaf tips
Brown or black discolored leaf tips are a sign that the plant has received too much sun. Especially young plants are sensitive. Put the coffee bush better in a place that is bright and airy, but is not in the midday sun. If the plant is too dark or temperatures drop, it loses leaves. In autumn and at the beginning of winter a loss of leaves is normal. But you could, for example, provide more light with a plant lamp (like this one for example).

»Wrong amount of water when pouring
Too much or too little water, the leaves also sensitive. The basic rule for coffee bushes is: pour regularly and abundantly in summer, but avoid waterlogging; only water in winter so much that the root ball does not completely dry out. The plant likes a high humidity, here it helps, if you spray the leaves with lime-free water. This creates good conditions for healthy growth and strong leaves.

If the roots are permanently too wet, root rot forms. You can tell by the fact that the plant looks altogether sickly. The earth gives off an unpleasant smell. Remove the coffee bush from the pot and remove the foul root parts. Let everything dry well and then put the plant in fresh soil.

The fight against the scale insect

Even with the best care, it can come to infestation with scale insects, which are very popular on coffee bushes. The actual pests are the larvae of the scale insect, which spread quickly over the entire plant. The first signs are crippled leaves, which later fall off. Unfortunately, the symptoms only show up when many scale insects are already sitting on the plant.

That's why it pays off to check the undersides of the leaves from time to time. Scale insects are about two millimeters in size. The female specimens drill with their proboscis firmly into the leaves and suck out the juice.

"If you notice scale insects: Isolate the plant immediately! The lice can only be controlled with systemic agents that are absorbed through the soil or the leaves. Either use sticks or sprays that are suitable for controlling scale insects. There is no point scraping off the scale insects. At the same time you would distribute the tiny larvae that often sit under the spine. Some Schildlausarten but a sticky honeydew. Then the plant can be additionally attacked by soot thickening. In addition to pest control, use an effective fungicide.

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