1、 Disease

1. Soft rot

① Symptoms: after suffering from this disease, its parts close to the ground will rot and fall off, and gradually change upward. The edge of the leaf will soften, the color of the flower will deepen, the flower stalk will fall, and finally the whole plant will even die

② Method: in the early stage of the disease, remove the disease spot, and spray it on the disease spot with some formaldehyde. When planting this plant, you can't plant too deep and see too much water. Pull out the plant with very serious disease and burn it to prevent infection with other healthy flowers

2. Leaf spot

① Symptoms: this disease is generally caused by three kinds of bacteria, the most common is leaf spot mold. In the early stage of the disease, there will be some nearly circular white spots on the leaves, and gradually grow into large spots, and even damage the flowers and stems

② Method: after finding the diseased leaf, clean it immediately, and then spray it with cream. It's best to spray it once a week. After two or three times, it can be almost better. Do not pour too much water in the ordinary maintenance process

3. Mosaic disease

① Symptoms: when sick, its leaves shrink and become deformed. Then its veins will fade and light spots will appear on the flowers

② Method: at the beginning of planting, you should choose plants that are not sick, and burn them in time once they are found to be sick during growth. You can prevent it with a marathon

2、 Pest

1. Symptoms

The most important pest is the breeding fly, which is a maggot. Its young insects will erode the parts of the seedling, causing it to rot and die

2. Method

It can be cured with very rotten organic fertilizer, which can prevent adult insects from producing eggs. When it is most likely to produce this kind of insect, it should be controlled in time. It can be sprayed with some insect killing powder, or its soil and seeds can be treated with chemicals when they are ready to plant at the beginning