What to do if rose leaves turn red

What to do if rose leaves turn red

1. Physiological reasons

Some varieties of this plant are like this, and their leaves will naturally turn red. You can identify its variety by its leaves. If its newly grown leaves are red, it means that its flowers will also be a similar color.

2. Rust

1. Symptoms

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

2. Method

Clean the area around it, remove diseased branches, leaves and buds, and burn them in a concentrated manner. Wrapping the wound with plastic film can prevent the invasion of bacteria and make the wound heal faster. If you keep it in a room, make sure it is ventilated and in a dry environment.

3. Powdery Mildew

1. Symptoms

If its leaves are bent and red, it means it has powdery mildew. White powder will appear on the back of the leaves, the leaves will bend, and the new tree shoots may even die. The flowers cannot bloom on time, or the posture of the flowers will not be very beautiful.

2. Method

If you use medication during its growing period in spring, you can use thiophanate-methyl and benomyl alternately. During the illness, you can treat it with methyl thiophanate. When the white-pink substance in the diseased area turns gray, the disease is almost cured.

4. Red spider

1. Symptoms

If there is something red on the leaves, it is because they are infested with red spider mites.

2. Method

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

<<:  What to do if rose leaves wilt

>>:  What to do if the roots of Kalanchoe turn black

Recommend

Can roses be transplanted in winter? Can roses be planted in winter?

Can roses be transplanted in winter? It is best n...

What is the latest month to plant melons?

Melon tastes sweet and is rich in nutritional val...

How to fertilize the palace lantern Kalanchoe

1. The plant's fertilizer requirements Genera...

Daily management of dormant flowers in winter

Pay attention to the room temperature During the ...

How to grow bear's paw tree

Growth habit Bear's paw tree is suitable for ...

What is the best fertilizer for green grass?

Green grass fertilization time Green grass needs ...

What diseases can allicin prevent and treat?

Ethylalicin is a moderately toxic fungicide . The...

When is the best time to plant broad beans?

Broad bean , also known as broad bean, orchid bea...

9 out of 10 pots of flowers rotted, it turns out it was because of this taboo!

Schlumbergera First, let’s talk about Christmas c...

How to sow the chrysanthemum

Specific sowing method Sowing Seeds If you grow c...

What are the cultivation methods and precautions of Zhulan?

Pearl orchid cultivation method Zhulan, also know...