What if the rose leaves turn red?

I. physiological reasons

Some varieties of this plant are like this, and its leaves turn red naturally. Its variety can be identified by its leaves, and if its new leaves are red, its flowers will be a similar series of colors.

Second, rust

1. Symptoms

If its leaves turn red, another possibility is that it has rust.

2. Methods

It is necessary to clean all the areas around it, remove the diseased branches, leaves and buds, and burn them centrally. Wrap the wound with plastic film to prevent the erosion of germs and make the wound heal faster. If it is kept in the room, we should pay attention to let it ventilated, to have a dry environment.

Third, powdery mildew

1. Symptoms

If its leaves are bent and red, it is powdery mildew, white powder appears on the back of the leaves, the leaves will bend, and the new treetops will even die. The flowers will not bloom on time, or the posture of the flowers will not be very beautiful.

2. Methods

If it is given medicine during its growth period in the spring, topiramate and chlorothalonil can be used alternately. During the onset of the disease, it can be treated with methyl topiramate, and when the white pink substance in the affected area turns gray, the disease is almost cured.

4. Red spider

1. Symptoms

If there is something red on the leaf, it is because it gave birth to a red spider.

2. Methods

You can go to the market to buy special plant pesticides, spray it on the front and back of the leaves, branches, spray 3-4 times in a row, spray 3-4 weeks, you can get rid of the diseases and insects on it. Generally, if you keep it at home, the ventilation is not very good, so you will get diseases and insects very frequently, so you should spray some water to it often, keep it humid, and kill it every month.