1、 What is it

The small black insect in chrysanthemum is called chrysanthemum aphid. It is a pest with fast growth and reproduction. Chrysanthemum is easy to be infected. After a period of time, it will grow a lot, bite leaves and flowers, and affect flowering. The reason may be that the growth environment is too dark and muggy, and the plants are easy to breed pests. If they are cultured outdoors, they may be infected by other plants and need to be treated and solved in time

2、 How to remove

1. Chemical spraying: the most effective way to remove pests is chemical spraying. The types of drugs can be dichlorvos, Xerox, Cypermethrin, etc. if there are many pests, it needs to be sprayed several times, and it can be removed after 2-3 times

2. Fumigation mosquito repellent incense: prepare a plate of mosquito repellent incense, light it, hang it on the insect bearing branches, and then cover the whole plant with plastic bags. The aphids will be removed in about an hour

3. Balsamine: a few drops of balsamine, mixed with about 400 times of clear water, can be used to spray plants and kill aphids

4. Pay attention to ventilation: while removing chrysanthemum aphids, pay attention to the ventilation environment, open windows in time to promote air circulation