Leaf blowers promote boxwood mushroom

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Bring the leaf blower out of the shed on the weekend and blow the last old leaves off the lawn? If you have sick box trees in the garden, that's not a good idea. The air current whirls namely the tiny spores of the fungus Cylindrocladium buxicola on and possibly even transported them to the neighboring garden, where they then also infect the hedgerows.

Paper balls

Pretty bookballs adorn many gardens. So that it stays that way, you should rather give up a leaf blower and reach for the rake

This relationship was discovered between leaf blowers and the fungus Cylindrocladium buxicola in larger gardens and cemeteries, where leaf blowers and book enclosures are ubiquitous. In the criticism, the devices are already longer because of their noise, even if there are now soundproof models. After this realization, however, landscape gardeners and garden maintenance companies are now increasingly switching back to the good old deciduous rake.

Alternative leaf vacuum?

By the way, leaf extractors do not have this problem, as they stir up only minimal dust. The noise level through the devices is just as high as the leaf blower. In addition, leaf suckers are to be rejected for animal welfare reasons, since they also destroy many useful insects and small animals when sucking and shredding the leaves.

Which box trees does the fungus attack?

Particularly susceptible to the boxwood mushroom are heavily cropped, overly dense plants. 'Suffruticosa' is considered the most vulnerable variety. 'Herrenhausen', 'Aborescens', 'Faulkner' or 'Green Gem' are rather insensitive. Buchs in the pot is as endangered as planted trees. With the right location, you can prevent the disease. Buchs loves loose, calcareous soils and airy, open spaces. Dust regularly garden lime and rock flour over the box trees, fertilize with horn shavings and do without blue seed.

Boxwood fungus

Whitish discoloration and dead leaves and branches indicate an attack with Cylindrocladium buxicola

Helping pesticides

Home gardeners can use Folicur, a remedy for mildew. Dithane Ultra Tec, Duaxo or Ortiva have limited preventative effects. Once the boxwood has been extensively attacked, spraying no longer works. However, neighboring trees should be treated as preventative. If you have a lot of books, you can hire a gardener to do the spraying. There is good experience with rosemary and lavender as companion plants. Even lavender branches, which are distributed in the book, have an antifungal effect.

What to do with damaged book?

The infested leaves and plant parts should be disposed of immediately. If the book is severely affected, only destroying the whole plant helps. In addition, remove the topmost layer of earth, as the fungal spores live on in the soil for many years. Do not put the plants and soil in the compost, but dispose of everything in the household waste. Caution: After disposal, scissors, shovels and other tools must be well cleaned and disinfected to prevent carryover and contamination of other plants.

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