1、 Leaf spot

Leaf spot is one of the common diseases of lavender. This disease mainly damages the leaves of plants. For seedlings, they will wilt and lose water, the color of leaves will become dim, and the branches will bend. The disease of plants for more than three years develops from inside to outside, which will eventually lead to their death. If you want treatment, you can spray Bordeaux solution or zinc solution, usually 2-3 times

2、 Root rot

Root rot is mainly caused by too much watering and too wet soil. It is easy to breed bacteria in humid environment and invade the roots of plants, resulting in their decay. If the situation is not too serious, carbendazim or methyltobutrazine solution can be used for control, which can be irrigated by root or sprayed on the leaf surface. If the situation is serious, it needs to be removed and rooted, and then replaced with new soil for replanting

3、 Starscream

Red spider is a common pest, which can cause harm to many plants. It has strong reproductive ability and fast development speed, so we must do a good job in prevention and control. It can be sprayed with avermectin solution or treated with dicofol. In addition, timely changing pots and soil can also eliminate insect eggs, so as not to hatch the next year and continue to harm the plant

4、 Leaf cicada

The larvae and adults of leaf cicada will suck the juice of the plant, and can reproduce 4-5 generations a year. It is difficult to completely eliminate it. It is necessary to spray phoxim, fenitrothion and other drugs for control, and pay attention to removing weeds so that they can not live. Using the phototaxis of adults, light can also be used to trap and kill