How to make rose leaves curl

Its leaves are crooked and may be infected with powdery mildew. At this time, remove its diseased branches and leaves, put them in a ventilated area, or directly use medicine. If it is caused by diseases and insect pests, they should be removed from leaves and soil. If it's caused by too much water, dig it out and replace it with a new basin. If the fertilizer is not enough, spread some fertilizer on its leaves.

I. infected with powdery mildew

(1) symptom: if its old leaves are bent and its new leaves are bent, it must be infected with this powdery mildew, which not only threatens the leaves, but also affects the growth of flowers, so measures must be taken immediately.

(2) method: in the daily maintenance, the diseased branches and leaves should be removed, and then placed in the windy area. More fertilizer with phosphorus and potassium should be used to make it more resistant. If the disease is very serious, it needs to be treated with medicine. If it doesn't germinate, it can kill the germs with the mixture of sulfur and stone

Second, infected with diseases and insect pests

(1) symptom: if there is a small insect on the new leaf besides bending, it may grow aphid or spider. These two kinds of insects will eat up its leaves and have a serious impact on its growth.

(2) method: it is necessary to completely remove the branches and leaves of the long insect, and then spray it with some fat insect treatment forest to kill the insect completely. In addition, in addition to the insects on the leaves to be removed, it is also necessary to let the medicine penetrate into the soil and kill the eggs in the soil. Or change the soil, clean the root, and replace it with a new basin.

Third, suffered from water logging

(1) symptom: if there is too much water, it will form waterlogging, especially when the soil drainage function is not good, the root will rot, the leaves will not get enough nutrients, and they will bend and fall off.

(2) method: if the situation of water logging is serious, the plants should be dug out and replaced with a new basin. If the situation is light, you can pile some soil at its base, so that its root neck can grow indefinite roots.

4. Lack of fertilizer

(1) symptom: if its leaves are yellow, curved, and the flowers are small and the branches are thin, then it is lack of fertilizer.

(2) method: according to the fertilizer it lacks, it should be fertilized. If the root is injured due to serious lack, fertilize its leaves, preferably in the evening, and sprinkle it on the back of its leaves, so that it can recover as soon as possible. If it is very weak, give it more times, the dose should be less, to prevent the occurrence of fertilizer damage

Chinese rose