1. Systemic insecticides
1, diazinon, also known as diazinon, Diyan, Daya Xiannong. For the safety of broad-spectrum insecticidal and acaricidal agents, it has contact, stomach poisoning, fumigation and certain systemic action, and also has good killing and nematicidal effects, and the residual effect period is longer. It has good control effects on various pests such as Lepidoptera and Homoptera. It is widely used in corn, tobacco, fruit trees, vegetables, flowers and greenhouses to control a variety of sucking and leaf-feeding pests. Underground pests and nematodes. The underground pests are treated with 75 ml of 50% emulsifiable concentrate, 3.75 kg of water, and 37 kg of wheat. After the seeds are absorbed, the seeds can be sown after drying. The drug is low-toxic to higher animals and fish, and highly toxic to ducks, geese and bees. This medicine can not be mixed with copper preparations and herbicides. It can not be used within 2 weeks before and after application of propanil. It should be used with caution on apples and lettuce. This medicine cannot be used in bronze, copper alloy or plastic containers.
2, 70% imidacloprid suspension seed coating agent is a broad-spectrum, high-efficiency, low-toxic, safe insecticide, nitromethylene-based systemic insecticide, a new generation of chlorinated nicotine insecticide, nicotine super-efficient kill Insecticide, which has contact, stomach poisoning and systemic action, has good quick-acting effect and long residual period. It is the action of the nicotinic acid acetylcholinesterase receptor. After the pests contact the agent, the chemical signal transmission of the motor nervous system and the central nervous system fails, causing paralysis to die. Mainly used to control sucking mouthparts pests. The ratio of the drug is 0.2%.
3, phoxim, also known as phoxim, acrylonitrile, nitrile phosphide. It is a high-efficiency, low-toxic, broad-spectrum insecticide, mainly based on contact and stomach toxicity, and has no systemic action. The medicine is applied to the soil and has a long residual period and is suitable for controlling underground pests. Control underground pests generally use 50% emulsifiable concentrate 100ml to water 1 ~ 2 kg, mix 50 kg of wheat seeds, mix and simmer for 3 to 5 hours to sow. The phoxim is easy to decompose, and the field spray is best used in the evening. The drug is banned on corn, soybeans, and melon crops.
Second, systemic fungicide
1. 3% difenoconazole suspension seed coating agent is a low toxicity triazole endogenous transfer type seed treatment fungicide, which is a sterol demethylation inhibitor, inhibits fungal ergosterol biosynthesis, thereby destroying cell membrane formation. , causing the death of pathogens. It can be used on a variety of crops to control seed fungus and soil-borne fungal diseases. The seed treatment concentration is 0.2-0.3%. Product features: (1) easy to photolysis, and should not be mixed with copper preparations. (2) High safety, normal concentration does not affect seed germination, and stimulates plant growth significantly. (3) It has the functions of protection, penetration and systemic absorption, fast action, no cross-resistance, and long-lasting effect. (4) Advanced dosage form, good film formation, no falling off.
2, 6% tebuconazole suspension seed coating agent is a triazole endogenous transfer type seed treatment fungicide, is a sterol demethylation inhibitor, and its bactericidal mechanism is to inhibit the demethylation of ergosterol on the cell membrane of the pathogenic bacteria, The pathogen can not form a cell membrane, thereby killing the pathogen. When used as a seed coating, it can control the pathogen attached to the surface of the seed, and can also be transmitted to the top in the plant body to kill the bacteria inside the crop. The seed treatment concentration is 0.05-0.06%.
Both the 3% difenoconazole suspension seed coating agent and the 6% tebuconazole suspension seed coating agent belong to the same structure type and mechanism of action.
Author: Fan Wugang Source: Heyang County Agricultural Center Plant Protection Station
1, diazinon, also known as diazinon, Diyan, Daya Xiannong. For the safety of broad-spectrum insecticidal and acaricidal agents, it has contact, stomach poisoning, fumigation and certain systemic action, and also has good killing and nematicidal effects, and the residual effect period is longer. It has good control effects on various pests such as Lepidoptera and Homoptera. It is widely used in corn, tobacco, fruit trees, vegetables, flowers and greenhouses to control a variety of sucking and leaf-feeding pests. Underground pests and nematodes. The underground pests are treated with 75 ml of 50% emulsifiable concentrate, 3.75 kg of water, and 37 kg of wheat. After the seeds are absorbed, the seeds can be sown after drying. The drug is low-toxic to higher animals and fish, and highly toxic to ducks, geese and bees. This medicine can not be mixed with copper preparations and herbicides. It can not be used within 2 weeks before and after application of propanil. It should be used with caution on apples and lettuce. This medicine cannot be used in bronze, copper alloy or plastic containers.
2, 70% imidacloprid suspension seed coating agent is a broad-spectrum, high-efficiency, low-toxic, safe insecticide, nitromethylene-based systemic insecticide, a new generation of chlorinated nicotine insecticide, nicotine super-efficient kill Insecticide, which has contact, stomach poisoning and systemic action, has good quick-acting effect and long residual period. It is the action of the nicotinic acid acetylcholinesterase receptor. After the pests contact the agent, the chemical signal transmission of the motor nervous system and the central nervous system fails, causing paralysis to die. Mainly used to control sucking mouthparts pests. The ratio of the drug is 0.2%.
3, phoxim, also known as phoxim, acrylonitrile, nitrile phosphide. It is a high-efficiency, low-toxic, broad-spectrum insecticide, mainly based on contact and stomach toxicity, and has no systemic action. The medicine is applied to the soil and has a long residual period and is suitable for controlling underground pests. Control underground pests generally use 50% emulsifiable concentrate 100ml to water 1 ~ 2 kg, mix 50 kg of wheat seeds, mix and simmer for 3 to 5 hours to sow. The phoxim is easy to decompose, and the field spray is best used in the evening. The drug is banned on corn, soybeans, and melon crops.
Second, systemic fungicide
1. 3% difenoconazole suspension seed coating agent is a low toxicity triazole endogenous transfer type seed treatment fungicide, which is a sterol demethylation inhibitor, inhibits fungal ergosterol biosynthesis, thereby destroying cell membrane formation. , causing the death of pathogens. It can be used on a variety of crops to control seed fungus and soil-borne fungal diseases. The seed treatment concentration is 0.2-0.3%. Product features: (1) easy to photolysis, and should not be mixed with copper preparations. (2) High safety, normal concentration does not affect seed germination, and stimulates plant growth significantly. (3) It has the functions of protection, penetration and systemic absorption, fast action, no cross-resistance, and long-lasting effect. (4) Advanced dosage form, good film formation, no falling off.
2, 6% tebuconazole suspension seed coating agent is a triazole endogenous transfer type seed treatment fungicide, is a sterol demethylation inhibitor, and its bactericidal mechanism is to inhibit the demethylation of ergosterol on the cell membrane of the pathogenic bacteria, The pathogen can not form a cell membrane, thereby killing the pathogen. When used as a seed coating, it can control the pathogen attached to the surface of the seed, and can also be transmitted to the top in the plant body to kill the bacteria inside the crop. The seed treatment concentration is 0.05-0.06%.
Both the 3% difenoconazole suspension seed coating agent and the 6% tebuconazole suspension seed coating agent belong to the same structure type and mechanism of action.
Author: Fan Wugang Source: Heyang County Agricultural Center Plant Protection Station
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