1. Canker disease: this disease mainly damages branches, leaves and fruits. It should be prevented during maintenance at ordinary times. After the disease, it can be treated with Shigao, kezade, tongmaster, etc.
2. Scab: it is mainly harmful to new shoots, young leaves, young fruits and leaves. It is more serious when it is rainy and wet. It is necessary to cut off the affected branches and leaves in time and spray with carbendazim, tobuzin and other chemicals.
3. Skirt rot: it is mainly harmful to the roots, resulting in the wet rot of the growing spots. It is necessary to strengthen cultivation, scrape off the infected parts, and apply copper and tobujin on the wound.
4. Soot disease: there are also many aspects of the disease, which will damage the branches, fruits and leaves. When the disease occurs, dark brown mildew will grow on the surface. It is necessary to strengthen the prevention and control of insect pests. In the early stage of the disease, spray with the information agent.
5. Resin disease: the disease will damage the trunk, leaves, fruits and other parts. After the disease, the disease department shall be scraped off in time, and then coated with tobuzinx solution.
There are many insect pests infected by lemon trees, such as whitefly, aphid, leafminer, mealybug, inchworm, red spider, rust tick, Sagittarius scale, sponge scale, red wax scale, Phoenix butterfly, leaf curler, beetle, blaster, etc. it is necessary to pay attention to ventilation, take preventive measures, spray medicine in time after discovery.
