What to do if the Chinese rose gets a white frost
Today's sharing: The related knowledge of what to do if the Chinese rose gets a white frost, and the following is a comprehensive introduction.
What to do if the Chinese rose gets a white frost
The white frost on Chinese roses may be caused by powdery mildew, and it is necessary to cut off the diseased branches and leaves in time to prevent the spread of the disease, then spray 200 times the concentration of high-fat membrane liquid for prevention and treatment, and place the Chinese roses in a shady and well-ventilated environment, and spray carbendazim around the plants. Powdery mildew on Chinese roses can cause the plant leaves to wither and burn, preventing the plant from blooming normally.
1. Pruning in time
White frost on Chinese roses indicates powdery mildew infection, and it is necessary to prune the plant, promptly cutting off the diseased branches and leaves to prevent the spread of the disease. Disinfection should be done during pruning to avoid secondary infection of the wounds.
2. Drug prevention and treatment
After pruning, it is necessary to spray drugs for prevention and treatment. It is recommended to spray 200 times the concentration of high-fat membrane liquid for treatment. High-fat membrane can both prevent and treat powdery mildew and can be sprayed for prevention during the growing season of Chinese roses. You can also spray diluted Shuda water, twice a week for a month.
3. Post-treatment care
During this period, Chinese roses should be placed in a shady and well-ventilated environment, which is conducive to the plant's recovery and effectively reduces the incidence of the disease. It is also necessary to spray carbendazim around the Chinese roses for disinfection to prevent the spread of the disease.
Powdery mildew is a common disease in Chinese roses. After the plant is infected, white powder will appear on the leaves, followed by mildew spots and a powdery layer. If not treated in time, it can lead to leaf curling, burning, and shrinking, preventing the plant from growing and blooming normally.
The above is the full content of what to do if the Chinese rose gets a white frost, hoping it is helpful to green plant enthusiasts!