What are the commonly used pesticide insecticides for pollution-free vegetables?
Biological pesticides: BT, whose Chinese name is Bacillus thuringiensis, is a bacterial insecticide. This variety has been fully used in the main vegetable-growing areas of our country and has achieved good economic benefits. However, there are currently many BT manufacturers with varying quality, so a good-quality variety must be selected when using it. Precautions: BT works better when the temperature is slightly higher...
Biological pesticides:
BT, whose Chinese name is Bacillus thuringiensis, is a bacterial insecticide. This variety has been fully used in the main vegetable-growing areas of our country and has achieved good economic benefits. However, there are currently many BT manufacturers with varying quality, so a good-quality variety must be selected when using it. Precautions: BT works better when the temperature is slightly higher, has poorer effectiveness when used in winter, and strong light will affect its efficacy, so it is best to use it after 4 p.m. BT is quite toxic to silkworms and is prohibited in sericulture areas. It should not be mixed with fungicides.
Chongwen No. 1, also known as Spodoptera litura NPV insecticide, is a viral insecticide. This variety was only registered in 1998, and the registering manufacturer is Guangzhou Zhixiewenoye; it can also control pests such as beet armyworm and imported cabbageworm, but its effect on diamondback moth is extremely poor, and it is currently beginning to be promoted and used in some small cities. This pesticide acts relatively slowly, and when used it can be mixed with an appropriate amount of a fast-acting insecticide, but it should not be mixed with fungicides.
Weidi V-BT is compounded from granulosis virus and BT, and is currently beginning to be promoted in our country; the manufacturer is Hainan Nanqi Growth Engineering Company. It is mainly used to control diamondback moth, imported cabbageworm, and other pests.
Biochemical pesticides:
Aihuajunsu (Qimansu) is an antibiotic produced by actinomycetes. There are currently many trade names circulating in our country, including the imported Haijimie and the domestically produced Haizhengmiechong, Saifu, Aifuding, Chongmanke, and others. It is mainly used to control diamondback moth, American leafminer, mites, and others, and has achieved obvious economic and social benefits.
Specific-performance insecticides: including Yitaibao, Kasike, Mimam, and others. They are mainly used to control noctuid pests.
High-efficiency, low-toxicity, low-residue insecticides:
5% high-efficiency Dagongchen is imidacloprid with a content of 5%, belonging to the nitromethylene class, high-efficiency, low-toxicity, and low-residue. It is mainly used to control piercing-sucking pests such as aphids, thrips, and whiteflies, and has a strong systemic action. This pesticide has a relatively long residual effect; one application can control pests for about 10 days, and aphid control can last as long as 20 days. Similar products currently circulating include Kangfuduo, Yibianjing, Yashijing, and others.
Acetamiprid, also known as Yachongqing or Mobilan, is a new type of insecticide, high-efficiency, low-toxicity, and low-residue, with strong systemic action. It is mainly used to control pests and mites such as diamondback moth and mites.
Other common varieties include trichlorfon, phoxim, and others.