Rose - a bewitching flower, which is rightly calledthe queen of the garden. Few gardeners can boast a lush and richly flowering shrub of ornamental flowers. In addition to the fact that these plants are very capricious, they are also more susceptible than others to various kinds of diseases.
Diseases of this plant species can be divided into two groups: bacterial and fungal. In the first case, the causative agents of various diseases are bacteria, in the second - fungi.
Bacterial diseases of roses and the fight against them
The most frequent diseases that can be triggered by bacteria are bacterial cancer of the roots and stems of the plant.
With the defeat of the roots they gradually beginsmall growths that subsequently increase. These peculiar "sores" are not only on the roots of the bushes, but also in the bases of the stems. If the disease is noticed at an early stage, then you can try to save the roses. For this you will need to carefully cut the growths from both the roots and the stems. Strongly affected areas of the root system should be removed completely.
With this disease, all affected and removedplots of plants should definitely be burned. If you notice that the processing of vitriol has not brought visible results and the bush continues to become covered with growths, it should be dug out and burned to prevent the disease of other flower cultures.
Of course, it is a pity to burn such beauty, but it will still die: solid growths will eventually rot and completely destroy the plant.
Bacterial stalk cancer
The leaves of the affected roses begin to dry out,fade, curl, but they do not fall. This disease is also called a bacterial burn. The bark of the plant gradually begins to turn brown, and then dies.
This disease can be transmitted asinsects and infected garden tools. In order to save the flowers, you should cut off all damaged leaves and shoots. Next, you need to handle the bush, using a solution of zinc sulfate. Such procedures are performed from 2 to 4 years to completely heal the plants.
Fungal diseases of roses and the fight against them
Parasitic fungi cause multiple diseases. If you do not notice the threat in time, then you can say goodbye to a beautiful rose bush, a fungal infection can kill a plant in a short time.
It should be noted that the disease of roses andthe fight against them requires a lot of time and labor. Do not forget about the appropriate preventive measures that will help prevent emerging diseases.
Beautiful rose bushes is better to inspect once a week for the occurrence of various diseases. It is necessary to begin treatment immediately at the first sign.
The most common fungal diseases of roses:black spot, rose rust, powdery mildew. Usually they occur due to improper care, high humidity or elemental contamination. The fight against the diseases of roses is very troublesome, but effective. Indeed, even despite the extensive foci of defeat, with careful care, the bush can be saved. It is advisable to use specialized tools.