2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
Curly (or climbing) roses are an excellent decoration for any area, they look great on the arch, they can beautifully braid the gazebo, with their help you can create a canopy over the bench. But these flowers, like any other plant, can get sick. What diseases can weaken or even destroy these plants? How to deal with them? Gray rot A very unpleasant disease that can affect almost every plant on the site. And curly roses are not …
Curly (or climbing) roses are an excellent decoration for any area, they look great on the arch, they can beautifully braid the gazebo, with their help you can create a canopy over the bench. But these flowers, like any other plant, can get sick. What diseases can weaken or even destroy these plants? How to deal with them?
Gray rot
A very unpleasant disease that can affect almost every plant on the site. And curly roses are no exception. First of all, young shoots and leaves are affected, then the buds and stems dry out. In wet or not hot weather, the plant becomes covered with gray spores. If you do not take action in time, the plant may die or infect all the other roses around. The infection calmly survives the winter on an infected plant or on various plant debris.
If the rose is heavily infected, then there is no point in treating it. It is necessary to completely uproot the plant and destroy (burn) it. In case of partial damage to the bush, all infected shoots are removed, and the plant is treated with a 1% solution of Bordeaux liquid (100 grams per 10 liters). You can also spray with 0.5% copper oxychloride solution. Repeat the treatment periodically as a preventive measure.
Powdery mildew
Another very common disease that affects many plants on the site. And climbing roses, alas, are no exception. How can you tell if your plant is affected by this particular disease? If a white bloom appears on young (first of all!) Shoots and on the leaves, eventually changing its color to gray, then the lesion becomes denser and a black fruiting body forms on it. The leaves dry up and begin to fall off, flowering stops, the buds wither.
This fungal disease hibernates right there, in the fruit body, in the affected processes, shoots and buds. And in the spring, with the onset of warmth and the appearance of the first leaves and timid shoots, powdery mildew goes to work - it continues to infect climbing roses in the garden. Infection occurs especially actively during periods of high humidity or sudden temperature fluctuations. By the way, please note that dew easily infects plants even if you overdo it with nitrogen fertilizers.
To protect the rose or help cope with an ailment, it is necessary to cut off all infected shoots in the fall, remove the leaves and burn it all. In order to avoid the spread of the disease, in no case leave infected shoots on the territory of the site, burn them immediately! In early spring, treat the bushes with a solution of copper or iron sulfate. The ratio of ferrous sulfate is 30 grams. per liter of water, copper - 20 gr. per liter of water. As new shoots appear, check carefully the bushes of climbing roses and at the slightest sign of disease, immediately remove the shoots!
During the summer rest of roses from flowering, spray with a soapy solution with the addition of soda ash.5 grams are taken per liter of water. soda and soap.
Bacterial cancer
If a rose begins to dry for no apparent reason, then most likely it has bacterial cancer. But nevertheless, carefully examine the bushes of climbing roses for signs of other diseases and for the "colonization" of the rose with harmful insects. If there is neither one nor the other, then slightly dig out the soil at the roots and inspect the root collar and the part of the root close to it. If on the neck or on the prominent part of the root there are growths of different sizes with an uneven surface (while they are young, they are soft and light, but over time they darken and harden), then your rose has bacterial cancer.
Such plants cannot be cured. They just need to be dug up and destroyed, replacing them with new healthy plants. But when buying planting material, be sure to carefully study the roots so as not to bring this disease back to the site. With single growths, you can try to cut them off and, keeping the roots in a disinfectant solution, plant a climbing rose on the site. But still it is a risk. And it is not a fact that the bush will be healthy.
These are just some of the diseases that climbing roses can affect, but they are the most insidious and dangerous.
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