Methoxy acrylate fungicide Kresoxim-methyl
What is Kresoxim-methyl (143390-89-0)?
Kresoxim-methyl is a fungicide with the chemical formula C18H19NO4, Cas 143390-89-0. It not only has broad-spectrum bactericidal activity, but also has good protective and therapeutic effects. It has no cross-resistance with other commonly used fungicides and has a longer lasting effect than conventional fungicides. It has a high degree of selectivity, is safe for crops, humans, animals and beneficial organisms, and has basically no pollution to the environment.
Kresoxim-methyl, also known as (E)-2-methoxyimino-[2-(o-methylphenoxymethyl)phenyl]acetate, is a highly efficient, broad-spectrum, new fungicide. It has good control effect on strawberry powdery mildew, melon powdery mildew, cucumber powdery mildew, pear scab, grape white rot and other diseases.
The fungicide Kresoxim-methyl is a highly efficient, broad-spectrum, new type of fungicide. It has good control effect on strawberry powdery mildew, melon powdery mildew, cucumber powdery mildew, pear scab and other diseases. It can control and treat most diseases of Ascomycetes, Basidiomycetes, Deuteromycetes, Oomycetes, etc. It has a strong inhibitory effect on spore germination and the growth of mycelium in leaves, and has protective, therapeutic and eradication activities. It has good permeability and local systemic activity, and has a long lasting effect. It is widely used to prevent and control diseases on fruit trees, vegetables, tea trees, tobacco and other crops. The fungicide Kresoxim-methyl can have a positive physiological regulatory effect on crops. It can inhibit the production of ethylene and help crops reserve bioenergy for a longer period of time to ensure maturity. It can significantly increase the activity of nitrifying reductase in crops. When crops are affected by When a virus attacks, it accelerates the formation of proteins in the virus that resist it.
Physicochemical properties of Kresoxim-methyl (143390-89-0)
The fungicide Kresoxim-methyl technical material is a white powder crystal with a melting point of 97.2-101.7°C, a density of 1.258kg/L (20°C), a vapor pressure of 1.3×10-6Pa (25°C), and a solubility of 2 mg/L (20°C). .
Acute oral LD50: The acute oral LD50 of both sexes in rats is greater than 5000mg/kg. Acute percutaneous LD50: The acute percutaneous LD50 of both sexes in rats is greater than 2000 mg/kg. It is non-irritating to rabbit eyes and skin. Ames test, mouse sperm teratogenicity test and mouse micronucleus test were all negative.
Bactericidal mechanism of Kresoxim-methyl (143390-89-0)
The fungicide Kresoxim-methyl has high activity against fungi, has a broad bactericidal spectrum, and is effective against high-level fungal diseases (such as powdery mildew, scab, etc.) and low-level fungal diseases (such as downy mildew, blight, etc.). Isostrobin mainly acts on the cytochrome complex, blocking the electron transfer process of the bacterial mitochondrial respiratory chain, thereby inhibiting the energy supply of the bacterial cells, causing the bacterial cells to die due to lack of energy. There is no cross-resistance between Kresoxim-methyl and conventional fungicides, so it has a good control effect against bacteria that have developed resistance.
Common dosage forms of Kresoxim-methyl (143390-89-0)
1. Dry suspension agent, to control cucumber powdery mildew, 13.4-20 grams per mu, spray with water regularly; to control apple tree scab, spray 5,000-7,000 times of solution.
2. 30% wettable powder is used to control melon powdery mildew. Use 100-150 grams per mu. Spray water regularly and spray again every 6 days. To control pear scab, spray 2,000-3,000 times of liquid at the early stage of the disease. , spray once every 7 days, spray 3 times continuously, it has good control effect on scab on leaves and fruits.
Kresoxim-methyl (143390-89-0) toxicity
Acute oral LD50: The acute oral LD50 of both sexes in rats is greater than 5000mg/kg. Acute percutaneous LD50: The acute percutaneous LD50 of both sexes in rats is greater than 2000 mg/kg. It is non-irritating to rabbit eyes and skin. Ames test, mouse sperm teratogenicity test and mouse micronucleus test were all negative.
The fungicide Kresoxim-methyl has good activity against a variety of diseases caused by fungi such as Deuteromycetes, Ascomycetes, Basidiomycetes, Oomycetes, etc., such as: grape powdery mildew, wheat rust, potato blight, pumpkin blight, rice blast and other diseases, especially effective against strawberry powdery mildew, melon powdery mildew, cucumber powdery mildew, and pear scab.
Kresoxim-methyl (143390-89-0) category
The fungicide aprostrobin is a new plant disease management product based on natural antibiotics and biomimetic synthesis. It is safe for crops and the environment and has extremely high bactericidal activity. It has gradually established a new bactericidal standard around the world. It is very effective against diseases that are resistant to other fungicides.
Characteristics of Kresoxim-methyl (143390-89-0)
1. Unique mechanism of action
The fungicide Kresoxim-methyl is a mitochondrial respiration inhibitor. After contact with bacteria, it inhibits the mitochondrial respiration of bacteria by preventing the electron transfer between cytochrome b and c1, thereby preventing the synthesis of cellular energy ATP and inhibiting the growth of bacteria.
It mainly acts on the germination process of pathogenic spores and can also prevent the growth of pathogenic hyphae.
The fungicide acestrostrobin has no cross-resistance with C14-demethylase inhibitors, benzamides, dicarboxamides and benzimidazole fungicides, but has interaction with azoxystrobin and pyraclostrobin Resistance, cannot be used interchangeably with these two agents.
2. Diversified modes of action
The fungicide aprostrobin has protective and therapeutic effects. After application, it can be quickly absorbed and penetrated into the plant body, and can be transmitted within the plant body. It can inhibit the secondary germination of pathogenic spores and is effective in eradicating the disease.
3. Broad sterilization spectrum
The fungicide Kresoxim-methyl has a broad bactericidal spectrum and is effective against most diseases caused by pathogenic fungi such as Ascomycetes, Basidiomycetes, Deuteromycetes and Oomycetes. It has high activity against various powdery mildews and can control cucumbers. Powdery mildew, tomato early blight, apple and pear scab, spotted leaf spot, powdery mildew, banana leaf spot, grape downy mildew, powdery mildew, wheat rust, gram blight, net spot, rice blast, sugar beet powdery mildew Diseases such as leaf spot, potato late blight, pumpkin blight and other diseases.
4. Good mixability
The fungicide Kresoxim-methyl can be mixed with a variety of fungicides such as epoxiconazole, propenazine, tebuconazole, difenoconazole and other fungicides.
Functional features of Kresoxim-methyl (143390-89-0)
1. The fungicide Kresoxim-methyl is a new generation of high-tech fungicidal pesticide newly developed based on the pathogenesis of crops. It can control and treat most diseases such as Ascomycetes and has a strong effect on spore germination and the growth of mycelium in leaves. It has inhibitory effect, has protective, therapeutic and eradication activities, and also has good penetration and local absorption activity, and has a long lasting effect.
2. The fungicide Kresoxim-methyl also has the obvious effect of changing the soil environment and promoting plant growth and development, allowing crops to quickly resume growth. It takes effect within three days and takes effect as soon as it enters the body of the crop. The effect is remarkable.
3. The fungicide Kresoxim-methyl can have a positive physiological regulatory effect on crop production. It can inhibit the production of ethylene, help crops reserve bioenergy for a longer period of time to ensure maturity, and can significantly increase the activity of nitrifying reductase in crops. When crops are attacked by viruses, it accelerates the formation of proteins in the viruses that resist them.
Suitable for crops; cucumber, powdery mildew
Dilution factor: 1000-1500 times dilution for foliar spraying of 30% Kresoxim-methyl
Characteristics of Kresoxim-methyl (143390-89-0)
The fungicide Kresoxim-methyl can inhibit the invasion of pathogenic spores, has good protective activity, and comprehensively and effectively controls various fungal diseases such as powdery mildew, scab, anthracnose, rust, and blight on vegetables, fruit trees, flowers, and other plants.
Control objects of Kresoxim-methyl (143390-89-0)
The fungicide Kresoxim-methyl has good activity against a variety of diseases caused by fungi such as Deuteromycetes, Ascomycetes, Basidiomycetes, Oomycetes, etc., such as: grape powdery mildew, wheat rust, potato blight, pumpkin blight, rice blast and other diseases, especially effective against strawberry powdery mildew, melon powdery mildew, cucumber powdery mildew, and pear scab. The dosage for preventing and controlling cucumber powdery mildew and downy mildew is 75-150g/hm2 of active ingredients (converted into commercial volume of EC: 20-40mL/667m2). Dilute with water and spray evenly at the early stage of the disease. Generally, spray 3-4 times, once every 7 days. The concentration of active ingredients for controlling banana scab and leaf spot is 83.3-250 mg/kg (dilution factor is 1 000-3 000 times), and spraying should be started at the early stage of the disease. Generally, spray 3 times, once every 10 days. The number of sprays depends on the condition. It is safe for cucumbers and bananas, and no phytotoxicity has occurred.
For anthracnose and powdery mildew of watermelon and muskmelon, spray pesticides starting from the initial stage of the disease or when lesions first appear, once every 10 days, and alternately use different types of pesticides, spraying 3 to 4 times in a row. Generally, use 1000-1500 times of 250g/L suspension or 2000-3000 times of 50% water dispersible granules and spray evenly.
Cucumber downy mildew, powdery mildew, scab, and vine blight: mainly control downy mildew, but also powdery mildew, scab, and vine blight. Start spraying 3-5 days after planting or when the lesions first appear, once every 7-10 days, alternately use different types of chemicals, and spray continuously. Generally, 60-90 ml of 250 g/L suspension agent or 30-45 g of 50% water-dispersible granules are used per mu, and the spray is evenly applied to 60-90 kg of water. When the plants are young, the dosage should be appropriately reduced.
For luffa downy mildew, powdery mildew, and anthracnose, spray pesticides from the early stages of disease occurrence, once every 10 days, alternately with different types of pesticides, and spray 2-4 times in a row. The dosage of pesticide is the same as that of "cucumber downy mildew".
Winter melon downy mildew, blight, and anthracnose. Start spraying from the early stage of the disease, once every 7-10 days, alternately use different types of pesticides, and spray 3-4 times in a row. The dosage of pesticide is the same as that of "cucumber downy mildew".
Tomato late blight, early blight, and leaf mold. In the early stage, we mainly control late blight, but also early blight. Start spraying when the lesions first appear, once every 7-10 days, and alternately use different types of pesticides for 3 consecutive sprays. -5 times; in the later stage, the main purpose is to prevent and control leaf mold, as well as late blight and early blight. Start spraying when the lesions first appear, once every 10 days, spray 2-3 times in a row, focusing on the back of the leaves. The dosage of pesticide is the same as that of "cucumber downy mildew".
For pepper anthracnose, blight, and powdery mildew, spray pesticides starting from the initial stage of the disease or when lesions first appear, once every 10 days, alternately with different types of pesticides, and spray 3-4 times in a row. Generally, 50-70 ml of 250 g/L suspension agent or 25-35 g of 50% water-dispersible granules are used per mu, and the spray is evenly applied to 6075 kg of water.
For downy mildew and black spot on cruciferous vegetables, spray pesticides from the early stages of disease onset, once every 10 days, and spray 1-2 times continuously. Generally, 40-60 ml of 250 g/L suspension agent or 20-30 g of 50% water-dispersible granules are used per mu, and 45-60 kg of water are sprayed evenly.
Cauliflower downy mildew: Start spraying when the lesions first appear, once every 7-10 days, and spray about 2 times in a row. The dosage of pesticides is the same as that of "Cruciferous Vegetables Downy Mildew".
For powdery mildew and rust of kidney beans, peas, cowpeas and other leguminous vegetables, spray pesticides from the early stages of the disease, once every 10 days, alternately with different types of pesticides, and spray 2-4 times in a row. Generally, use 1000-1200 times of 250g/L suspension or 2000-2500 times of 50% water dispersible granules and spray evenly.
For vegetable soybean rust and downy mildew, start spraying from the early stage of the disease, once every 10 days, and spray 1-2 times continuously. Generally, 40-60 ml of 250 g/L suspension agent or 20-30 g of 50% water-dispersible granules are used per mu, and 45-60 kg of water are sprayed evenly.
To prevent and treat potato late blight, early blight, and black mole disease, spray pesticides starting from the first appearance of the lesions, once every 10 days, alternately with different types of pesticides, spray 4-7 times, generally every Use 60-80 ml of 250 g/L suspension per mu, or 30-40 g of 50% water-dispersible granules, and spray evenly on 0-75 kg of water. When preventing and treating black mole disease, spray the pesticide in the sowing ditch during sowing. Use 250g/L suspension agent per mu, 40-60ml, or 50% water-dispersible granules, 20-30g, and spray 30-45kg of water. .
Leaf spot and rust of vegetable peanuts. Start spraying from the early stage of the disease, once every 10 days, and spray about 2 times in a row. Generally, 40-60 ml of 250 g/L suspension agent or 20-30 g of 50% water-dispersible granules are used per mu, and the spray is evenly applied to 30-45 kg of water.
Techniques for using Kresoxim-methyl (143390-89-0)
Powdery mildew and anthracnose of cucumbers, watermelons, melons, bitter melons and other melons:
The fungicide Kresoxim-methyl should be sprayed at the early stage of the disease, and other types of fungicides should be used alternately. Spray once every 10 days and spray 2-4 times continuously. Generally, 20 to 25 grams of 50% water-dispersible granules or 35 to 45 grams of 30% wettable powder are used per acre, and 4575 kg of water are sprayed evenly.
Cucumber scab:
Spraying of the fungicide Kresoxim-methyl begins as soon as the lesions are discovered. The spraying interval is about 10 days, and 3 to 4 consecutive sprays are sufficient. The amount of pesticide used is the same as that of "Melon Powdery Mildew".
Tomato early blight and leaf mold:
The fungicide Kresoxim-methyl is applied at the early stage of disease discovery, and other types of fungicides are sprayed alternately, once every 10 days, for 3 to 4 times. When controlling leaf mold, focus on spraying the undersides of leaves. Generally, 25-35 grams of 50% water-dispersible granules or 40-60 grams of 30% wettable powder are used per acre, and 45-75 kg of water are sprayed evenly.
Pepper anthracnose, powdery mildew:
The fungicide Kresoxim-methyl should be sprayed in proportion at the early stage of disease occurrence, once every 10 days, alternately with different types of pesticides, and sprayed 2-4 times in a row. The amount of pesticide used is the same as that of "tomato early blight".
Powdery mildew and rust on leguminous vegetables such as peas, cowpeas, and kidney beans:
The fungicide Kresoxim-methyl should be sprayed in time at the early stage of the emergence of the bacteria, and other types of fungicides should be sprayed instead, once every 7 to 10 days, and 3 to 4 times in a row. Generally use 50% water dispersible granules 2000-3000 times liquid, or 30% wettable powder 1200-1500 times liquid spray evenly.
Cruciferous vegetable leaf spot:
The fungicide Kresoxim-methyl should be sprayed in the initial stage of disease occurrence, once every 10 days, and sprayed 1-2 times continuously. Generally, 10-15 grams of 50% water-dispersible granules or 20-25 grams of 30% wettable powder are used per acre, and 30-45 kilograms of water are sprayed evenly.
Celery leaf spot:
The fungicide Kresoxim-methyl should be used at the initial stage when the lesions are discovered, with an interval of 7 to 10 days. You can drink different types of agents and use them alternately, spraying 3-4 times in a row. The spraying times of pesticides are the same as those for "Powdery Mildew of Beans and Vegetables".
Asparagus stem blight:
Spray the fungicide Kresoxim-methyl at the initial stage when the disease is discovered, and replace it with other types of fungicides, once every 7-10 days, and spray 3-4 times in a row, focusing on the middle and lower parts of the plant. The spraying times of pesticides are the same as those for "Powdery Mildew of Beans and Vegetables".
Leaf blight and purple spot disease of onions and garlic:
The fungicide Kresoxim-methyl should be sprayed to prevent and control the disease in the early stages. The interval between sprays should be about 10 days, and spray 1 to 2 times continuously. Generally, 15-20 grams of 50% water-dispersible granules or 25-35 grams of 30% wettable powder are used per acre, and 30-45 kg of water are sprayed evenly.
Kresoxim-methyl (143390-89-0) compound
1. Combined with triazole fungicides to delay the development of resistance, you can choose the following agents:
Difensostrobin·Mexiconazole, Tebuconazole·Kresoxim-methyl, Hexanostrobin·MeKresoxim-methyl, Tetraflurostrobin·MeKresoxim-methyl, Fluoride·MeKresoxim-methyl, Benzyl·MeKresoxim-methyl, etc.
2. To enhance the protective effect, you can choose the following seed coating agents:
ProKresoxim-methyl,Kresoxim-methyl, Desenlian, etc.
3. To enhance the control effect against oomycete diseases, the following chemicals can be used:
Formalaxostrobin, Kresoxim-methyl, etc.
4. When simultaneously preventing bacterial diseases, the following chemicals can be used:
Zhongsheng·Kresoxim-methyl, etc.
5. When powdery mildew is severe, you can use the following chemicals:
Ethylopyrimidate, ethoxystrobin, etc.
6. When enhancing the bactericidal effect, you can choose the following agents:
Ethiomycin·boscalid, oryzomycin·distrobin, thiostrobin·carbendazim, thiostrobin·carbendazim, etc.
Precautions for Kresoxim-methyl (143390-89-0)
The fungicide Kresoxim-methyl cannot be mixed with alkaline agents, and the liquid cannot pollute water sources such as lakes, ponds, and rivers. Pay attention to mixing or alternating with different types of fungicides to avoid the development of drug resistance in germs and to achieve the best effect before the disease occurs. If swallowed by mistake, send to the hospital immediately. Depending on the symptoms, this medicine does not have an antidote. The recommended safe harvest interval is 1 day.
1. This product cannot be mixed with strong alkali, strong acidic pesticides and other substances.
2. The product safety interval is 4 days, and crops can be sprayed up to 3-4 times per season.
3. Pay attention to reducing the dosage during the seedling stage to avoid harm to new leaves.
4. When using this product, you should wear protective clothing, masks, gloves and goggles. Do not eat or drink during the application. Wash your hands and face in time after application.
5. Pregnant and breastfeeding women should not come into contact with this product.
6. Store in a dry and ventilated place away from fire sources.
Fungicide Kresoxim-methyl (143390-89-0) price
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