What s the deal with the white hairs of rose leaves?

1. White hairs on the leaves of roses may be suffering from powdery mildew.

The white stuff on the leaves of the rose is a white patch.

This condition is mostly caused by the discomfort of the growing environment provided. For example, if the plant is kept in a humid environment for a long time, coupled with poor ventilation and stuffiness, such an environment is easy to breed germs, which will infect the plant and lead to diseases. In the later stage, leaf spot, powdery mildew, etc. will gradually form, and there will be powdery powder and white spots on the leaves.

Second, how to treat.

1. Timely pruning: This phenomenon should be treated in time. Cut off all the leaves that have white powder on them. If some branches have become dry, they should be cut off and the diseased leaves and dead branches should be removed to avoid infection.

2. Replanting: After pruning, the plant should be taken out of the pot, and the root system should also be pruned, and the rotten roots and blackened roots should be cut off, and they should be disinfected. After that, prepare a new potting soil, which should be loose and breathable. The treated plants are then replanted in the soil.

3. Later maintenance: After planting, the plants should be placed in a well-ventilated environment, temperature control and moisturizing, do not rush to direct light, and then manage normally after resuming growth. Pay attention to the maintenance environment in the later stage, usually ventilate more, bask in the sun more, replenish nutrients in time, and choose Bika anti-stress and water-soluble fertilizer to avoid re-infection.

1. What is the white thing on the leaf Naxun?

White spots on the leaves of roses are often caused by the unsuitable growing environment provided. For example, if plants are kept in a humid environment for a long time, coupled with poor ventilation and stuffiness, such an environment can easily breed germs, infect plants, and cause diseases. In the later stage, leaf spot, powdery mildew, etc.

It will form gradually, and powdery powder and white spots will appear on the leaves.

Second, how to treat.

1.Timely pruning: This phenomenon should be dealt with in time.

Cut off all the leaves that have white powder on them. If some of the branches have become dry and dry, they should be cut off and the diseased leaves and dead branches should be removed to avoid infection. 2.

Replanting: After pruning, remove the plant from the chain sensitive pure pot and prune the roots. The rotten and blackened roots should be cut off and sterilized.

After that, prepare a pot of new soil, which must be loose and breathable. The treated plants are then buried and replanted. 3.

Post-maintenance: After planting, put the plants in a well-ventilated environment, control the temperature, keep them moist, do not rush to bask in direct sunlight, and wait for normal management after growth recovery. In the later stage, pay attention to the maintenance of the environment, usually ventilate more, and spend more time in the sun to avoid reinfection.

This is rose powdery mildew.

1. Attention should be paid to ventilation and humidity control when planting in the greenhouse, so as to control the disease conditions.

2. Strengthen fertilizer and water management and improve disease resistance.

3. In a small area or home cultivation month, the diseased buds and leaves should be carefully inspected, cut and destroyed in time.

4. Chemical fungicides should be sprayed in the sick area or diseased plants for prevention and control.