Technical Overview: Based on the characteristics of ecological climate and agricultural production in the middle and lower reaches of the Yangtze River, this technology adopts a technology model for prevention and control of aquatic aqua peanut mainly based on biological control, which focuses on wintering breeding and artificially assisting the release of natural enemies in early spring.
Increase production and efficiency: Take prevention and control of 200 mu of water peanuts as an example, save 1,200 working days and save labor costs by 6,000 yuan. Has a higher economic efficiency, ecological and social benefits. This biological technology for the prevention and control of invasive alien species is a strategic model for the development of sustainable agriculture. It can achieve clean production of agriculture, reduce energy consumption and energy consumption, and restore the deteriorated agricultural ecological environment.
Technical points: (1) Water Peanut Leaf A Breeding Technique. Water Peanut Leaf A is a special predator of aquatic peanuts. Hubei is colder in winter, and water Peanut leaf A is introduced from southern warm regions such as Fujian. In winter, it is necessary to build water peanut leaf larvae to breed greenhouses to help them become adult and pupate.
(2) Water Peanut Leaf A prevents the release density of water peanuts in the field. Prevention of terrestrial sex, release 250-300 head leaflets per acre; control aquatic type, release 50-200 heads per acre.
(3) Time of release of water peanut leaf nail. In April, after peanuts have been planted, if the average daily temperature is around 12°C, they should try to choose to release the high temperature during the afternoon; in July-August, if the average daily temperature is higher than 32°C, choose the evening or the lower temperature in the morning. It is released during the period; it can be released throughout the day.
(4) Artificial eviction. Within 30-45 days after release of leaf nails, observe every 7-10 days. If there is an increase in the number of leafhoppers found at the point of release, there will not be enough water in the vicinity for feeding, and manual replenishment will be required, otherwise large numbers of adult and larval insects will die.
(5) Note: Within 7-30 days before the release of water peanut leaf beetles, various pesticides are banned in the field.
Appropriate to promote the region: the four lakes, Liangzi Lake area, the Yangtze River old water flooding areas.
Precautions: To build a winter breeding base for the water peanut aphid, and to screen the cold-resistant natural enemies and breed the cold-resistant natural enemy strains to ensure that there is a sufficient amount of water peanut aphid to control the water peanuts.
Increase production and efficiency: Take prevention and control of 200 mu of water peanuts as an example, save 1,200 working days and save labor costs by 6,000 yuan. Has a higher economic efficiency, ecological and social benefits. This biological technology for the prevention and control of invasive alien species is a strategic model for the development of sustainable agriculture. It can achieve clean production of agriculture, reduce energy consumption and energy consumption, and restore the deteriorated agricultural ecological environment.
Technical points: (1) Water Peanut Leaf A Breeding Technique. Water Peanut Leaf A is a special predator of aquatic peanuts. Hubei is colder in winter, and water Peanut leaf A is introduced from southern warm regions such as Fujian. In winter, it is necessary to build water peanut leaf larvae to breed greenhouses to help them become adult and pupate.
(2) Water Peanut Leaf A prevents the release density of water peanuts in the field. Prevention of terrestrial sex, release 250-300 head leaflets per acre; control aquatic type, release 50-200 heads per acre.
(3) Time of release of water peanut leaf nail. In April, after peanuts have been planted, if the average daily temperature is around 12°C, they should try to choose to release the high temperature during the afternoon; in July-August, if the average daily temperature is higher than 32°C, choose the evening or the lower temperature in the morning. It is released during the period; it can be released throughout the day.
(4) Artificial eviction. Within 30-45 days after release of leaf nails, observe every 7-10 days. If there is an increase in the number of leafhoppers found at the point of release, there will not be enough water in the vicinity for feeding, and manual replenishment will be required, otherwise large numbers of adult and larval insects will die.
(5) Note: Within 7-30 days before the release of water peanut leaf beetles, various pesticides are banned in the field.
Appropriate to promote the region: the four lakes, Liangzi Lake area, the Yangtze River old water flooding areas.
Precautions: To build a winter breeding base for the water peanut aphid, and to screen the cold-resistant natural enemies and breed the cold-resistant natural enemy strains to ensure that there is a sufficient amount of water peanut aphid to control the water peanuts.
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