1、 Disease

1. Stem rot: stem rot is one of the common diseases in Milan. This disease mainly damages the stem of the plant. When it is sick, it will have black spots, and then it will slowly expand, eventually leading to stem rot and plant death. When the plant is found to be sick, it can be treated by smearing the branches with Bordeaux liquid

2. Anthrax: anthrax is very harmful to Milan. It can infect leaves, petioles, twigs and stems. At the beginning of the disease, the leaf tip is brown, and then it will spread to the whole leaf, causing it to fall off and the branches will dry up. After the disease, we must trim it in time, cut off all the diseased branches and leaves and destroy them in a centralized manner. After that, keep good ventilation and spray the deposit solution for prevention and control. At ordinary times, it should be watered and fertilized appropriately to increase its disease resistance

3. Soot disease: soot disease usually occurs with scale insects and needs to be scrubbed with clean water or sprayed with carbendazim

2、 Pest

1. Scale insect: one of the common pests. The surface of this pest has a wax shell, so it is not easy to spray and kill it. It usually needs to be brushed off with a brush. In addition, in order to eliminate its larvae, a little carbofuran can be applied to the soil

2. Aphid: it is also a common pest. It mainly sucks the juice of plants, resulting in poor growth. There are many ways to kill this pest. In addition to various insecticides, the family can also make self-made ashtray water or lime water to kill it

3. Starscream: this pest is small and difficult to find, and it lays many eggs. Once it gives birth, it will be a large area. Generally, pyridaben and other drugs can be used to kill. Regularly check the front and back of the leaves to see if there are signs of recurrence

4. Leaf curling moth: its larvae will nibble at the leaves of the plant. It usually occurs in spring and summer. Its adults have phototaxis and can be lured and killed by black light lamp. Larvae should be eliminated with Phoxim and other drugs