How to kill goji berry gall mite

Lycium barbarum gall mite, also known as large tumor gall mite, is a common pest that harms leaves, buds, young fruits, tender stems, petals and flower stalks of Lycium barbarum. Then how to kill the wolfberry gall mite? How to prevent it?

How to kill Chinese wolfberry gall mite?

It can be directly sprayed on the diseased plants with 50% acaridan gel suspension, 1000 times, and 1.8% Abistin 3000-4000 times. The ultra-low volume spray method can also be used in a large area to spray a mixture of 50% chlorpromazine oil spray and diesel oil at 1:1.

How to prevent Chinese wolfberry gall mite?

1. Seed selection and seedling raising

To use high-yield and stress-resistant varieties for cutting seedlings, select robust, disease-free branches, soak in 1.8% Abistin 3000-4000 times solution, and then cuttage. Seedlings transported in different places should undergo strict quarantine in order to reduce the risk of long-distance transmission.

two。 Field management

Strengthen fertilizer and water management, do a good job of topdressing during germination, flowering and fruit expansion, according to the principle of summer water irrigation and winter water irrigation, timely irrigation, maintain appropriate humidity, in order to enhance the tree potential and improve the stress resistance of plants. Combined with pruning, the diseased and residual leaves should be removed and destroyed in time, and spring pruning should be completed before March 20 to avoid migration to new branches and leaves. In summer, the shovel garden was combined to remove overgrown branches and root tillers to prevent the breeding and spread of gall mites.

3. Natural enemy control

The natural enemies of gall mites are Coccinella septempunctata, Chilean small plant mites and so on. When the Chilean phytoseiid mites are used in the open field, the adults should be released at the initial stage of the occurrence of harmful mites, and the adults can be released once if necessary. According to the occurrence density of harmful mites in the field, the appropriate benefit-damage ratio should be determined, and the land of Chilean phytoseiid mites should be released, and chemical insecticidal pesticides such as omethoate should not be applied to prevent killing natural enemies.