Although rust encompasses a large number of fungal diseases, it is almost always characterized by the appearance of orange-brown pustules on the underside and yellow spots on the upper part.
What factors promote the development of rust?
This disease develops mainly in humid weather or by too frequent watering on the leaves.
The wind can also transmit it to all the plants in the garden.
When does rust develop?
From early spring to late summer.
Which plants are affected by rust?
There are a large number of affected species.
The rose bush is very affected by rust but also flowers, fruit trees, trees, shrubs and vegetables.
The consequences of rust
Generally speaking, rust does not threaten the life of the plant.
In the worst case, it causes the loss of all the foliage.
What we fear above all, is the contagion which would then threaten the foliage of several plants in the garden.
It's not very aesthetic in the middle of August.
Effective treatment products often sold against diseases of roses can be used on all plants.
- It is a fungicide that can be used both preventively and as a cure.
- As soon as the first signs appear, it is imperative to remove all affected leaves and burn them.