Common diseases and pests of Calla Lily and their solutions

1. Diseases

1. Soft rot

①Symptoms: After getting this disease, the part close to the ground will rot and fall off, and gradually spread upward. The edges of the leaves will soften, the color of the flowers will deepen, the pedicels will fall off, and finally the whole plant may even die.

②Method: Remove the lesions in the early stage of the disease and spray some formaldehyde on the lesions. Do not plant this plant too deep and do not allow it to see too much water. Pull out the plants that are seriously ill and burn them to prevent infection of other healthy flowers.

2. Leaf spot

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

②Method: After discovering the diseased leaves, you must clean them immediately, and then spray them with emulsion. It is best to spray them once a week. After two or three times, it will be almost healed. During normal maintenance, you must not water too much.

3. Mosaic disease

①Symptoms: When it is sick, its leaves will shrink and become deformed. Then the vein areas will fade and small lighter dots will appear on the flowers.

②Method: When planting at the beginning, you should choose plants that are not diseased. If you find diseased plants during the growth period, you should burn them immediately. Marathon can be used to prevent and treat it.

2. Pests

1. Symptoms

The main insect pest is the seed fly, a type of maggot. Its young insects will eat away at the growing area of ​​the seedlings, causing them to rot and then die.

2. Method

It can be maintained with well-rotted organic fertilizers to prevent adult insects from laying eggs. It is necessary to take timely measures to prevent and control this kind of insect when it is most likely to be infested. You can spray it with some insecticide powder, or you can treat its soil and seeds with pesticides when you first prepare to plant it.