1、 How does Impatiens leaf have white frost to return a responsibility

The white frost on the leaves of Impatiens is probably caused by powdery mildew. This disease will mainly harm the leaves and young shoots. Most of them occur in June every year. By July, there will be a layer of white powder on the leaf. In the later stage, it gradually turns into yellow particles, and the color will deepen, which is called black brown. It is mainly caused by high temperature, high humidity and poor ventilation

2、 How does Impatiens leaf have white frost to do

If there is frost on the leaves of Impatiens, it should be disposed of as soon as possible, and the diseased leaves should be cut off and completely destroyed. If the disease is serious, the whole plant should be disposed of directly. After that, spray Triadimefon for complete treatment, or use methyltobuzin for several times

3、 How to avoid white frost on the leaves of Impatiens

Since we know the reason why there is frost on its leaves, we should adjust the maintenance method when we re maintain it in the later stage. It is best to pay attention to the density when planting, not too dense, so that all plants can be well ventilated and exposed to the sun. In addition, fertilizer should be applied frequently during the management period, and more phosphorus and potassium fertilizer should be applied appropriately to promote vigorous growth. Note that the amount of nitrogen fertilizer should not be too large. It will grow vigorously, and the disease resistance will be strengthened, so it is not easy to infect diseases