How to use the microbial fungicide pyraclostrobin
What is pyraclostrobin fungicide?Pyraclostrobin is a carbamate ester that is the methyl ester of [2-({[1-(4-chlorophenyl)-1H-pyrazol-3-yl]oxy}methyl)phenyl]methoxycarbamic acid.Cas 175013-18-0A fungicide used to control major plant pathogens including Septoria tritici, Puccinia spp. and Pyrenophora teres. It has a role as a mitochondrial cytochrome-bc1 complex inhibitor, a xenobiotic, an environmental contaminant and an antifungal agrochemical. It is a member of pyrazoles, a carbamate ester, an aromatic ether, a member of monochlorobenzenes, a methoxycarbanilate strobilurin antifungal agent and a carbanilate fungicide.
Pyraclostrobin and pyraclostrobin are methoxyacrylate broad-spectrum fungicides and mitochondrial respiration inhibitors, which have protective, therapeutic and radical effects on crop diseases. Safe and friendly. Pyraclostrobin single agent and many mixtures have been registered on more than 150 crops in more than 60 countries. The active ingredient is effective against a variety of pathogenic bacteria in cereals, citrus, cotton, grapes, bananas, peanuts, soybeans, sugar beets, vegetables, sunflowers and lawns.
Pyraclostrobin is a strobilurin fungicide that inhibits mitochondrial complex III of fungal and mammalian cells. Pyraclostrobin induces triglyceride accumulation and triglyceride accumulation in 3T3-L1 cells.
What class of fungicide is pyraclostrobin?
Pyraclostrobin is a quinone outside inhibitor (QoI)-type fungicide used in agriculture. Among the QoIs, it lies within the strobilurin chemical class.
Pyraclostrobin is used to protect Fragaria,Rubus idaeus,Vaccinium corymbosum,Ribes rubrum,Ribes uva-crispa, blackberry (various Rubus spp.), and Pistachio vera.
Fungicide pyraclostrobin has been widely employed to control plant diseases by inhibiting the mitochondrial respiration of pathogenic fungi. Due to its broad spectrum, the extensive use of pyraclorstrobin was reported to cause emerging resistance on crops.
Features of Pyraclostrobin
Bactericidal broad-spectrum has good activity against almost all fungal diseases, such as powdery mildew, leaf blight, downy mildew, blight, etc., which is more important for the prevention and control of blight
The combination of prevention and treatment has protective and therapeutic effects, and has good penetration and systemic effects. It can be used in stem and leaf spray, water surface application, and seed treatment.
It has good compatibility and can be compounded with a variety of medicaments. It has good compounding effect with difenoconazole, disenlian, dimetholine, etc., and it also has synergistic effect.
Plant health care, stress resistance and yield increase Increase the activity of nitrate and nitrate reductase, thereby improving the absorption of nitrogen in the rapid growth stage of crops. At the same time, it can reduce the biosynthesis of ethylene, thereby delaying the senescence of crops.
With high selectivity, it is safe for crops, humans, animals and beneficial organisms, and basically has no pollution to the environment.
Microbial Fungicides pyraclostrobin price
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What is the efficacy of pyraclostrobin?
Pyraclostrobin is a broad spectrum foliar fungicide belonging to the strobilurin chemical class. It acts by inhibition of mitochondrial respiration. This leads to a reduction of the available ATP quantity in the fungal cell. It is used for control or suppression of fungal diseases on many common crops including: Berries, Bulb, Cucurbit, Fruiting, and Root vegetables, and Cherries
Fungicide pyraclostrobin has been widely employed to control plant diseases by inhibiting the mitochondrial respiration of pathogenic fungi.
Field evolution showed that pyraclostrobin at 200 and 250 g a.i./ha provided greater than 80% control efficacy against apple ring rot disease when applied as a therapeutic or preventive fungicide. The efficacy was similar to fungicides that have been registered for apple.
What is the mode of action of pyraclostrobin?
Pyraclostrobin pyraclostrobin is a fungicide belonging to the group which is collectively known as strobilurins, which inhibit mitochondrial respiration. This leads to a reduction of energy-rich ATP that is available to support a range of essential processes in the fungal cell.
Applications of Pyraclostrobin
It is a broad-spectrum fungicide. It inhibits the biosynthesis of ergosterol, has protective and eradicating effects, and has significant control effects on various crop Ascomycetes and Deuteromycetes diseases. It can be used to prevent and control many diseases on the stems, leaves and ears of cereal crops, such as powdery mildew and leaf spot. The concentration of seed treatment is 200-400mg active ingredient/L, and the foliar spraying is 0.3-1.0kg/hm2. This product can also be used for many pathogenic bacteria of fruit trees, vegetables, mushrooms, turf and ornamental plants. Fruit trees and vegetables are sprayed before harvesting, the recommended concentration is 20-50g/100L, and the amount of impregnation after harvesting is 250-1000mg/L. It can be mixed with various fungicides, insecticides and herbicides.
How can pyraclostrobin be compounded
Pyraclostrobin + Disenlian
It has the triple functions of preventing the invasion of germs, preventing the spread of germs and eliminating germs in the body. It is used to prevent and control various diseases of melons, fruits and vegetables. After use, it can help improve the physiological activity of crops, delay aging, and ensure yield and quality. And it does not contain manganese ions, so it will not cause manganese ion poisoning of crops. Before the onset or at the initial stage of medication, the medication should be applied continuously at intervals of 7-8 days.
pyraclostrobin + difenoconazole
Difenoconazole is an inhibitor of mitochondrial respiration, inhibits the biosynthesis of cell wall sterols, and has protective, therapeutic, and leaf osmotic conduction effects. Pyraclostrobin + difenoconazole has a good control effect on anthracnose, and it is also effective against powdery mildew, downy mildew, blight, spotted leaf spot, leaf spot, scab, shaft rot, Diseases such as brown spot have a strong control effect, and have protective and therapeutic effects at the same time.
pyraclostrobin + propineb
Propineb is a broad-spectrum, quick-acting protective fungicide. It works by inhibiting the oxidation of pyruvate in pathogenic bacteria. It has special effects on cucumber downy mildew. It can be used in the early stage of cucumber downy mildew to prevent the whole plant Spray, when spraying, spray both the front and back sides of the leaves, and the spray is even.
pyraclostrobin + zinc thiazole
Combination of pyraclostrobin and bactericide zinc thiazole. It has strong permeability, good systemic absorption, strong adhesion, and has protection against fungal and bacterial diseases such as canker, leaf blight, scab, soft rot, downy mildew, anthracnose, and leaf spot And therapeutic effect, and induce crops to produce disease resistance, long-lasting effect, good effect.
pyraclostrobin + tebuconazole
The combination of pyraclostrobin and tebuconazole has preventive, protective and therapeutic effects on various diseases. Strong adhesion, long duration, resistant to rain erosion. It has protective and therapeutic effects on scab, powdery mildew, root rot, blight, scab, leaf spot, sheath blight and other diseases.
What is the effect of pyraclostrobin?
Pyraclostrobin (PYR) is a commonly used strobilurin fungicide, which inhibits mitochondrial respiration at the ubiquinol oxidation center site of the cytochrome bc1 complex. Little information is available regarding the crystal structure of PYR on its fungicidal effect.
What is pyraclostrobin fungicide used for in apples?
Pyraclostrobin is an agricultural pesticide product used to kill fungi (e.g., blights, mildews, molds, and rusts).
Pyraclostrobin is a QoI fungicide, and other QoI fungicides also are commonly used in apple orchards for control of pow- dery mildew, scab, and other diseases . Resistance to QoI fungicides has been reported in fungal pathogens .
Is pyraclostrobin preventive or curative?
Post-bloom, pyraclostrobin was able to completely inhibit infections on berries up to three weeks after application. Full curative control of developing black rot infections was achieved for up to 85% of the total incubation period. Myclobutanil turned out to be of limited protective activity.
What is the difference between pyraclostrobin and azoxystrobin?
Azoxystrobin: Inhibits spore germination, mycelial growth and sporulation. Kresoxim-methyl: Inhibits spore germination, mycelial growth.
Pyraclostrobin: Inhibits spore germination and controls mycelium and sporulation growth.
Pyraclostrobin toxicity
Although toxic, and recommended to be avoided by humans, pyraclostrobin is of temporary and low toxicity, that is to say it is merely an irritant of eyes and skin.It does cause some degree of reproductive and developmental failure in mammals but does not absorb well through the skin.It is likely to bioaccumulate in aquatic organisms.
Residues in diet
Pyraclostrobin does not accumulate in foods to a significant degree.
Biodegradability
Pyraclostrobin is described by one source as not very biodegradable, and by another as possibly significantly biodegradable.
Risk of pyraclostrobin resistance
One of the main ways to solve resistance is to use pre-mixed mixtures to market.
The ingredients of the premix are: disenlian, dimethomorph, boscalid, econazole, flufenapyramide, dicyanoanthraquinone, metconazole, and fenconazole.
Principles when choosing a mixture
To meet the asset management needs of products such as pyraclostrobin and extend its life cycle.
To reduce the use of single agents and delay drug resistance. At the same time, using different mechanisms of action can also delay product resistance.
It is possible to expand the scope of application of pyraclostrobin and expand its bactericidal spectrum through mixing.
Through fungicides such as triazoles and amides, their systemic properties can be improved, allowing farmers to use drugs with a longer window and making them more convenient to use.
As a mixing object for new compounds, prolonging the life cycle of compounds. In the future fungicide market, new products will appear more in the form of meeting mixtures, and will rarely appear in the form of single agents.