Dimethomorph morpholine highly effective systemic microbial fungicide
What is dimethomorph (110488-70-5)?
The pesticide fungicide dimethomorph is an organic compound with the chemical formula C21H22ClNO4. Cas 110488-70-5 fungicide is mainly used to control downy mildew and late blight on grapes and other fruit trees. Dimethomorph is a specific fungicide of the class Oomycete. Its main function is to destroy the formation of cell wall membrane. It has an effect on all stages of the life cycle of oomycetes. It is particularly sensitive during the formation stage of sporangium and oospores. It is inhibited at very low concentrations (<0.25μg/ml). No cross-resistance with phenylamide agents.
The pesticide dimethomorph is a broad-spectrum fungicide of the morpholine class. It has a unique mode of action on algae-like fungi of the family Peronospora and Phytophthora. It mainly causes the decomposition of the sporangia wall, thereby causing the death of the bacteria. In addition to the zoospore formation and spore swimming stages, it has an effect on all stages of the oomycete life cycle. It is especially sensitive during the formation stages of sporangium and oospores. At very low concentrations (<0.25 mg/L ) is suppressed. If the drug is administered before sporulation occurs, spore production can be completely inhibited. The drug has strong systemic properties. When applied at the roots, it can enter all parts of the plant through the roots; when sprayed on the leaves, dimethomorph can also enter the interior of the leaves to promptly prevent and control pathogens that have invaded the crop. At the same time, it also affects the new leaves. It has an ideal protective effect; it contains two active ingredients and can form a strong and effective protective film on the crop surface at the same time after application, thus showing excellent internal treatment and external protection effects.
Dimethomorph (110488-70-5) mechanism of action
The fungicide dimethomorph has preventive and curative activity and has residual activity on crop leaves, providing excellent preventive action. When dimethomorph is sprayed on crops, the agent can penetrate into the leaf tissue through the leaf surface, and is locally transmitted within the leaves through diffusion. It can be used to prevent and control diseases of a variety of important crops. These include cucumber downy mildew, grape downy mildew, potato late blight, tomato late blight, tobacco black shank, and others. Dimethomorph has no cross-resistance with the most widely used phenylamide fungicides and has good affinity. It can be mixed with other different types of fungicides, such as mancozeb, thereby expanding the bactericidal spectrum and scope of use. .
Most of the morpholine fungicides are used to prevent and control powdery mildew, while the bactericidal effect of dimethomorph is by directly destroying the formation of fungal cells, causing the decomposition of the cell wall, resulting in the death of fungal cells, and does not have the effect of preventing and treating powdery mildew. Although dimethomorph contains a morpholine ring group, the active group is not the morpholine ring active group, but is actually an acrylamide fungicide; its mechanism and characteristics are to inhibit the formation of the oomycete cell wall and have internal It is absorbent and is usually used to control downy mildew and blight on potatoes, grapes, cucurbits, and diseases of tomatoes and other crops. Without considering the drug resistance of pathogenic fungi, the efficacy of dimethomorph is still higher than that of currently widely used agents such as metalaxyl, cymoxanil, oxalaxyl, and aluminum triethylphosphonate.
Main dosage forms of dimethomorph (110488-70-5)
The fungicide dimethomorph includes 50% dimethomorph wettable powder, 69% dimethomorph-manganese-zinc wettable powder, 55% dimethomorph-Foc wet powder, and 50% water-dispersible granules.
Functional characteristics of dimethomorph (110488-70-5)
The pesticide dimethomorph is a specific fungicide of the class Oomycete. Its characteristic feature is to destroy the formation of cell wall membrane. It has an effect on all stages of the life cycle of oomycetes, and is particularly sensitive during the formation stages of sporangium and oospores. , inhibited at very low concentrations (<0.25μg/ml). No cross-resistance with phenylamide agents.
Dimethomorph (110488-70-5) Product Features
The pesticide dimethomorph is a new type of systemic therapeutic low-toxic fungicide. Its mechanism of action is to destroy the formation of the bacterial cell wall membrane, causing the decomposition of the sporangium wall, and killing the bacteria. In addition to the zoospore formation and spore swimming stages, it has an effect on all stages of the oomycete life cycle, and is especially sensitive to the formation stages of sporangia and oospores. If the drug is used before the formation of sporangia and oospores, Completely inhibits spore production. The drug is highly systemic. When applied at the roots, it can enter all parts of the plant through the roots; when sprayed on the leaves, it can enter the inside of the leaves. It has no cross-resistance with benzamide fungicides such as metalaxyl.
(1) Good effect and long lasting effect
The fungicide dimethomorph has a unique mechanism of action, effectively acts on all growth stages of Oomycete fungi, and has special effects on various downy mildews and epidemic diseases. It has both preventive and therapeutic effects, as well as anti-sporulation effects.
The application interval of the fungicide dimethomorph is usually about 7-10 days, which is 3-4 days longer than other agents. It has a long lasting effect, reduces the number of applications, and saves time and costs.
(2) Will not produce drug resistance
Dimethomorph has no cross-resistance with other fungicides such as metalaxyl and cymoxanil, and is highly miscible. It can quickly kill bacteria that are resistant to other fungicides and ensure stable efficacy.
(3) Resistant to rain erosion
The fungicide dimethomorph is super water-soluble and dispersible, has strong penetration, can quickly penetrate the leaves and spread locally, and is resistant to rain erosion. Its efficacy is almost unaffected by rain 1 hour after spraying.
Enhance plant photosynthesis, make fruits and vegetables brighter, and comprehensively improve crop yield and quality
(4) Good compoundability
The fungicide dimethomorph can be combined with pyraclostrobin, azoxystrobin, cymoxanil, mancozeb, propenazine, mesostrobin, thiram, chlorothalonil, aluminum triethylphosphonate, and pyrazole Compounds of mycostrobin, aminooligosaccharides, prochloraz, metalaxyl, zhongshengmycin, iprodione, etc.
(5) Good safety
Dimethomorph is also very safe even when used during the flowering and fruit expansion stages.
Dimethomorph (110488-70-5) Product Advantages
1. The fungicide dimethomorph has good effect and long lasting effect. It is highly systemic and can penetrate quickly through roots and leaves and spread locally; it effectively acts on almost the entire developmental stage of the Oomycetes, preventing spore germination and preventing reinfection of spores. It can be used before and after the onset of the disease; pesticide application The interval is usually about 7-10 days, which is 3-4 days longer than other agents.
2. The fungicide dimethomorph has strong adaptability. It can be used in combination with fungicides of different mechanisms to expand the bactericidal spectrum and delay the development of resistance. Combined with mancozeb (protective fungicide), it can not only prevent downy mildew and blight, but also protect the leaves and synergize with each other.
3. The fungicide dimethomorph is safe. It is a low-toxic fungicide. Under normal use, it is low-toxic to bees and birds and has no effect on natural enemies. It is safe to use during the flowering period and fruit expansion period.
4. The fungicide dimethomorph is resistant to rain erosion. The efficacy is almost unaffected by rain 1 hour after spraying.
Dimethomorph (110488-70-5) function
The fungicide dimethomorph is preventive and active and has residual activity on crop leaves, providing a preventive effect. When dimethomorph is sprayed on crops, the agent can penetrate into the leaf tissue through the leaf surface, and is locally transmitted within the leaves through diffusion. It can be used to prevent and control diseases of a variety of important crops. These include cucumber downy mildew, grape downy mildew, potato late blight, tomato late blight, tobacco black shank, and others. Dimethomorph has no cross-resistance with the currently widely used phenylamide fungicides and has good affinity. It can be mixed with other different types of fungicides, such as mancozeb, to expand the bactericidal spectrum and scope of use.
Most of the morpholine fungicides are used to prevent and control powdery mildew, while the bactericidal effect of dimethomorph is by directly destroying the formation of fungal cells, causing the decomposition of the cell wall, resulting in the death of fungal cells, and does not have the effect of preventing and treating powdery mildew. Although dimethomorph contains a morpholine ring group, the active group is not the morpholine ring active group, but is actually an acrylamide fungicide; its mechanism and characteristics are to inhibit the formation of the oomycete cell wall and have internal It is absorbent and is usually used to control downy mildew and blight on potatoes, grapes, cucurbits, and diseases of tomatoes and other crops. Without considering the drug resistance of pathogenic fungi, the efficacy of dimethomorph is still higher than that of currently widely used agents such as metalaxyl, cymoxanil, oxalaxyl, and aluminum triethylphosphonate.
Dimethomorph (110488-70-5) targets
The fungicide dimethomorph is a special agent for preventing and treating fungal diseases of the Oomycete class. It has low effect on downy mildew, downy Phytophthora, late blight, blight (mildew), Phytophthora rot, Pythium, black shank, etc. It has good control effect on fungal diseases. Can be applied to grapes, lychees, cucumbers, melons, bitter melons, tomatoes, peppers, potatoes, and cruciferous vegetables.
1. The fungicide dimethomorph is used to control downy mildew on cucumbers and bitter gourds. Spray downy mildew on cruciferous vegetables before or in the early stages of onset. Use 1500-1995 grams of 69% Anker manganese zinc per hectare (active ingredient 69-92 grams) ), the spraying volume is 900-1200 liters. Spray once every 7-10 days and spray 3-4 times continuously.
2. The fungicide dimethomorph is used to control pepper blight, grape downy mildew, tobacco black shank, and potato late blight. Spray before the onset or in the early stages of the onset. Use 69% Anker manganese zinc 1995-2505 grams per hectare (active ingredient 92- 115 grams), the spraying volume is 900-1200 liters, and the amount of grapes is 2250-3000 liters per liter. Spray once every 7-10 days and spray 3-4 times continuously.
Dimethomorph (110488-70-5) usage technology
The fungicide dimethomorph is mainly used to control diseases through spraying. If the root neck is affected, the root neck and the surrounding soil can also be sprayed. When controlling grape, litchi or root and neck diseases, generally use 50% wettable powder or 50% water-dispersible granules 1500-2000 times liquid, or 80% water-dispersible granules 2000-3000 times liquid, or 40% Water dispersible granules 1000-1500 times liquid, or 25% wettable powder 800-1000 times liquid, or 10% water emulsion 300-400 times liquid, spray or spray; control melons, solanaceous fruits, leafy vegetables When treating diseases of crops such as tobacco and tobacco, 35 to 50 grams of active ingredients are generally used per 667 square meters, and 30 to 60 liters of water are sprayed. Medication is most effective before the disease occurs or when the lesions first appear.
(1) The fungicide dimethomorph controls downy mildew on cucumbers, melons, bitter melons and other melons. Start spraying before or at the beginning of the disease. Use 30-40 grams of 50% water-dispersible granules or 50% wettable powder, 20-25 grams of 80% water-dispersible granules, and 40-50 grams of 40% water-dispersible granules per acre. , 60~80g of 25% wettable powder, 150~200ml of 10% water emulsion, mix with 45~75kg of water and spray. Apply pesticides once every 7 to 10 days, alternately use different types of pesticides, focus on spraying the back of the leaves, and apply 3 times in a row.
(2) The fungicide dimethomorph prevents and controls pepper blight. Start spraying before the onset of the disease or at the early stage of the disease. Use 30 to 40 grams of 50% wettable powder per acre and mix it with 50 to 75% of water for spraying. Depending on the development of the disease, the medication should be administered once every 5 to 7 days and 3 times continuously.
(3) The fungicide dimethomorph controls tomato late blight. In the early stage of the disease, use 40 to 60 grams of 50% wettable powder per mu, mixed with 40 to 50 kilograms of water and spray.
(4) The fungicide dimethomorph controls tomato Phytophthora root rot. At the early stage of the disease, pour 50% wettable powder 2,000 times or 50% boscalid water-dispersible granules 1,000 times mixed with 50% dimethomorph water-dispersible granules 750 times.
(5) The fungicide dimethomorph controls potato late blight. Start spraying at the early stage of the disease, using 1,000 times of 50% wettable powder. Spray once every 7 to 10 days and use it alternately with different types of agents.
(6) The fungicide dimethomorph controls lettuce downy mildew. Start spraying at the early stage of the disease, using 1,000 times of 50% wettable powder. Spray once every 7 to 10 days, and spray about 2 times in a row, focusing on the back of the leaves.
(7) The fungicide dimethomorph controls downy mildew in cruciferous vegetables. Use 20-25 grams of 80% water-dispersible granules or 50% wettable powder, 30-40 grams of 50% water-dispersible granules, 30-40 grams of 40% water-dispersible granules, and 40-60 grams of 25% wettable powder per acre. Gram, 100-150 ml of 10% water emulsion, mix with 30-45 kg of water and spray.
(8) The fungicide dimethomorph prevents and controls seedling blight, damping-off and stem base blight of fruits and vegetables. Begin to irrigate (or spray) the seedbed or the base of the plant stem with the medicinal solution from the first appearance of the diseased plant, once in about 10 days, and apply the medicinal solution twice in a row. Generally use 80% water-dispersible granules 2,000-3,000 times liquid or 50% wettable powder, 50% water-dispersible granules 1,500-2,000 times liquid, 40% water-dispersible granules 1,000-1,500 times liquid, 10% water emulsion 300- 400 times liquid.
(9) The fungicide dimethomorph prevents and controls crop diseases of melons, solanaceous fruits, and leafy vegetables. Generally, 35 to 50 grams of active ingredients are used per acre, and 30 to 60 kilograms of water are used for spraying. Medication is most effective before the disease occurs or when the lesions first appear.
(10) The fungicide dimethomorph controls downy mildew on green onions and onions. In the early stage of the disease, spray with 50% wettable powder 600 times liquid. Spray once every 7 to 10 days and control 2 to 3 times continuously.
(11) The fungicide dimethomorph controls strawberry Pythium root rot. During the growth period, spray 50% wettable powder 2,000 times.
(12) The fungicide dimethomorph controls Phytophthora root rot in strawberry. Pour 2,000 times of 50% dimethomorph wettable powder or 600 to 800 times of 69% dimethoyl manganese zinc wettable powder.
(13) The fungicide dimethomorph controls potato late blight. Spray with 50% wettable powder 1,500 times liquid.
How to use Dimethomorph (110488-70-5)
The fungicide dimethomorph is mainly used to control diseases through spraying. If the root neck is affected, the root neck and the surrounding soil can also be sprayed. When controlling grape, litchi or root and neck diseases, generally use 50% water-dispersible granules 1500-2000 times liquid, or 80% water-dispersible granules 2000-3000 times liquid, or 40% water-dispersible granules 1000-2000 times liquid. 1,500 times liquid, or 25% wettable powder 800-1,000 times liquid, or 10% water emulsion 300-400 times liquid, spray or spray; control diseases of melons, solanaceous fruits, leafy vegetables, tobacco and other crops. Generally, 35 to 50 grams of active ingredients are used per 667 square meters, and 30 to 60 liters of water are sprayed. Medication is most effective before the disease occurs or when the lesions first appear.
Dimethomorph (110488-70-5) Application
The fungicide dimethomorph is widely used in the prevention and treatment of vegetable downy mildew, blight, seedling damping-off, tobacco black shank and other diseases caused by fungi of the subphylum Oomycetes and has systemic activity. Without considering the drug resistance of pathogenic fungi, the drug efficacy is higher than that of widely used metalaxyl, cymoxanil, ethyl aluminum, oxalaxyl, etc.
Used alone, there is a relatively high risk of resistance, so it is often used in combination with protective fungicides such as mancozeb to delay the development of resistance.
Dimethomorph (110488-70-5) Precautions
1. When cucumbers, peppers, cruciferous vegetables, etc. are young, use a low amount of spray liquid and pesticide. Spray so that the solution evenly covers the leaves.
2. Wear protective clothing when applying pesticides to avoid direct contact with various parts of the body.
3. If the agent contacts the skin, wash it with soap and water. If it splashes into eyes, rinse quickly with water. If swallowed by mistake, do not cause vomiting and send to hospital for treatment as soon as possible. The drug has no antidote for symptomatic treatment.
4. This medicine should be stored in a cool, dry place away from feed and children.
5. Do not use Anke-MnZinc more than 4 times per crop season. Pay attention to the use of other fungicides with different mechanisms of action and their rotation.
Microbial fungicide dimethomorph (110488-70-5) price
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