Control methods of common diseases and insect pests of Lycium barbarum

Chinese wolfberry nourishing food, in life, many people often use it to soak water to drink, it has the effects of nourishing the liver, nourishing the kidney, moistening the lungs and so on. In addition, it also has a good ornamental value. In the cultivation of Chinese wolfberry will suffer from a variety of diseases and insect pests, these diseases and insect pests seriously affect the yield and quality of Chinese wolfberry, the following is to introduce the symptoms and control methods of common diseases and insect pests of Chinese wolfberry.

1. Anthracnose of Chinese wolfberry

Chinese wolfberry anthracnose mainly harms the fruit, but also disturbs the leaves and flowers, because it causes the fruit to change from red to black after invading the fruit, so it is also called black fruit disease, which is not only a fungal disease, but also a major disease in the planting process of Chinese wolfberry. The disease can occur in the whole growth stage of Lycium barbarum, and it is harmful and spreads quickly in the overcast and rainy season. During the onset of the disease, the fruit appeared a small brown spot, and then = spread into an irregular spot. With the development of the disease, the spot began to sink, soften and blacken. In the dry period, the whole fruit will dry and shrink, while in the rainy season or during the period of high humidity, orange spore clusters will appear on the fruit surface and disturb the leaves. So that the leaves also appear this symptom.

Prevention and control methods: strengthen field management, prune diseased branches and leaves in winter, collect the residual branches and leaves on the ground, burn them centrally or bury them deeply, and then spray Bordeaux solution in overcast and rainy periods. alternately spraying mancozeb and methyl topiramate can be used to prevent and cure the disease.

2. Grey spot of Lycium barbarum

Lycium barbarum gray leaf spot is also a fungal disease, but it mainly harms the leaves and also disturbs the fruit. When the disease occurs, the leaves appear round disease spots, the central area of the disease spot is gray or brown, the edge is dark, and the disease is sunken. As the disease develops, the disease spot begins to turn brown and dry, and finally black mildew appears.

Prevention and control methods: also strengthen field management, prevention methods and anthrax, can be sprayed with more than 50% Yinling wettable powder 500 times, once every semimonthly, 2-4 times in a row can be treated.

3. Powdery mildew of Chinese wolfberry

Powdery mildew of Lycium barbarum is also one of the fungal diseases, which mainly harms the leaves and interferes with the early stage of fruit growth, which is named because the leaves are covered with white powdery mildew layer. When the disease occurs, the leaves begin to fade, wrinkle and curl. With the development of the disease, the leaves become withered and yellow and fall off.

Prevention method: the prevention method is the same as the former two, both clean the garden, spray Bordeaux liquid, and spray 25% trimethoprim 800 times solution and 50% carbendazim 500 times solution at the time of onset, also not once a semimonthly, 2-3 times in a row.

4. Insect pests

There are many pests in the growth of Chinese wolfberry, such as Chinese wolfberry gall mite, Chinese wolfberry aphid, Chinese wolfberry negative mud worm, Chinese wolfberry negative mud bug and Chinese wolfberry spotted bug, which mainly harm young parts such as leaves, tender shoots, buds, petals and young fruits, and the harm method is also to eat fleshy tissue or suck juice. As a result, the growth of the plant is blocked, the growth is slow, the tree is weak, and finally the yield and quality are affected.

Prevention and control methods: they are mainly harmful to larvae, so a combination of agricultural and chemical control methods can be adopted. in winter, weeds and debris in the field must be cleaned up, combined with watering and loosening soil, so as to destroy their overwintering environment and reduce insect sources. spray chemical control during the outbreak period of insect pests.

The above are common Chinese wolfberry pest control methods, hope to help you, want to know more about Chinese wolfberry planting knowledge, please pay attention to us.