What to do if grape hyacinth is infested with insects

1. Whitefly

Whiteflies can harm the new shoots, leaves and flowers of the plant, usually by piercing the back of the leaves and sucking the juice inside, eventually causing the plant to lack nutrients and turn yellow and dry. When you find it, spray the medicine in time. You can eliminate it by spraying 1500 times of 25% cypermethrin emulsifiable concentrate, which can kill all the eggs and adults.

2. Slugs

Slugs are slugs and are soft-bodied insect pests. It mainly harms the leaves of the plant, causing many worm holes on the leaves, affecting the appearance. When you find it, you should catch it in time. Usually it will come out after each watering, after rain or in the early morning, and you can catch it with wire.

3. Rhizoctonia

This disease is caused by a fungus that attacks the leaves of the plant, causing light brown spots on the leaves. In severe cases, it will affect the growth of the upper part of the plant and eventually cause it to wilt and die. When discovered, the soil should be disinfected with disinfectant in time. If necessary, the soil should be changed and replanted. Remember to disinfect before burying the plants.

4. Root rot

Root rot will naturally harm the root system of the plant and cause root rot. This type of disease usually occurs in spring. When you find it, use Baicaoqing solution to water the roots once every three to five days, and it will be clear after two times.