Your new eucalyptus tree is your pride and joy. But now you are unsure: Is the grey-green, powdery layer on the leaves of your green friend perhaps powdery mildew? Or is the grey-green layer a natural part of the plant?
–How do I recognize and combat powdery mildew on eucalyptus?
If eucalyptus is affected by powdery mildew, the leaves will showirregularwhitish-powdery spots on the top that can be wiped off. You can combat downy and powdery mildew by consistentlyremoving all diseased parts of the plant. For powdery mildew, spray with a milk-water solution.
What to do about mildew on eucalyptus plants?
If the eucalyptus has actually caught powdery mildew, you canclip off the affected leaves and dispose of themYou can water with horsetail broth and thus strengthen the tree. Or you can try the classic milk and water solution. You have to mix this fresh and spray it on the plant for several days. Brown spots on the eucalyptus, like brown leaves or dried leaves, can indicate care errors or another plant disease.
Is eucalyptus susceptible to powdery mildew?
Eucalyptus is considerednot susceptibleto diseases and pests due to its essential oils. A mildew infection should also generally be very rare. The eucalyptus species Eucalyptus gunnii is usually cultivated as an exotic tree in pots or as a houseplant because it is only partially hardy. You cannot plant them in the garden long-term in our cool latitudes. If the plant is placed in an unfavorable location, the plant's resistance naturally decreases. Now diseases like mildew can spread.
Is there downy mildew on eucalyptus?
In principle,this robust speciescan also be affected by downy mildew. If the eucalyptus leaves show a greasy, grayish-white coating on the underside, downy mildew may be behind it. This disease spreads quickly if not cared for properly and is generally more difficult to contain than powdery mildew. Isolate the plant from other plants and observe it closely. If the plaque continues to increase, you should consult a plant disease professional.
How do I recognize powdery mildew on eucalyptus?
Eucalyptus naturally has a gray-green coating that completely covers the leaves in a single layerwithout gaps. Leaves affected by powdery mildew, on the other hand, haveirregularwhitish-powdery spots on the top that can be wiped off.
Downy mildew is shown bymoldyeffective deposits on the underside of the leaves.
Tip
Which home remedies help against powdery mildew on eucalyptus?
If your beloved tree has been attacked by powdery mildew, a treatment with a milk-water mixture may help. Mix milk with water in a ratio of 1:9. Pour the mixture into a squirt bottle and mist the eucalyptus daily for about a week. If it has no effect, the only solution is to consistently remove and destroy all affected parts of the plant.
