The on-site meeting on the prevention and control of invasive alien species apple snails was held in Hubei

Recently, the Ministry of Agriculture and Rural Affairs organized an on-site meeting on the prevention and control of invasive alien species apple snails in Shishou City, Hubei Province, to summarize and communicate the progress of prevention and control work, and to deploy and promote the management of invasive alien species. The meeting emphasized that local agricultural and rural departments must thoroughly implement the decisions and deployments of the Party Central Committee and the State Council, strictly implement the provisions of the Biosecurity Law and the Measures for the Administration of Invasive Alien Species, effectively play the role of the prevention and control coordination mechanism, conscientiously perform departmental responsibilities, and jointly promote source prevention, monitoring and early warning , governance and restoration and other key tasks, and continuously improve the level of prevention and control of alien species invasion.

The meeting requested that agricultural and rural departments in various places should pay close attention to key links and increase efforts in prevention and control. It is necessary to focus on species that seriously endanger agricultural production and farmers' lives, such as apple snails, red fire ants, and ragweed, organize and implement a series of extermination activities, explore new models and methods of prevention and control according to local conditions, and promote effective interception and control.

The hazards of apple snails

The apple snail has a strong ability to adapt to the environment and reproduces quickly, so it spreads rapidly in rivers, lakes and fields; its large appetite and variety of food can destroy the growth of food crops, vegetables and aquatic crops, and has become a popular phenomenon in places such as the south of the Yangtze River. Harmful animals. Apple snails have a mixed diet and harm lotus roots. Young snails will eat lotus leaves. Large snails can bite through rice and eat some fish, resulting in reduced crop and aquatic production. It has become a major disaster in southern China's waters. In addition, the apple snail is also an intermediate host of a zoonotic parasitic disease, which can easily bring health problems to the surrounding residents.

Saponin powder comes from tea seed extraction. The content of saponin powder Tea Saponin we provide can reach 60%. Tea saponin is a hemolytic toxin that can dissolve the red blood cells of fish, so it can kill wild fish, Loach, apple snails, snails, mussels, frog eggs, tadpoles and some aquatic insects. It is a relatively environmentally friendly Biopesticide, which is highly toxic to cold-blooded aquatic animals, but it is easy to decompose itself, and it can also be used as an Organic Fertilizer to kill insects and apple snails. Generally speaking, saponin powder killing apple snails has the advantages of low price, good quality, easy acquisition and simple use.

Method of killing apple snails with tea saponin powder

1. Sprinkle tea saponin powder on the whole field, soak in water to kill apple snails: generally use it between sunset and dark. Start from the surrounding area of the paddy field and spread evenly to the center of the field, the amount on the periphery is higher than that in the center. The water depth of the paddy field should be kept at 3-5 cm, and the running water should not be replaced within 3-7 days.

2. Drainage and collection of apple snails, tea saponin powder to kill apple snails: excavate a 20 cm deep collecting snail ditch around the paddy field, and then gradually drain the paddy field, the apple snails will concentrate in the low-lying snail collecting ditch with water, and then sprinkle tea Saponin powder kills apple snails.

3. Add tea saponin powder to the water source to irrigate apple snails: this method is recommended for paddy fields with good irrigation channels. Soak the bagged tea saponin powder in the water source or channel. The tea saponin powder bag should have obvious water blocking effect. You can poke a few holes to improve the leaching effect. The water level of the channel should not exceed the height of the tea saponin powder bag. , the water flow speed should not be too fast, and it is a friendship to have obvious bubbles after flowing through the tea saponin powder bag.