Fenazol, a triazole fungicide, is a type of triazole fungicide. Its active ingredient is a colorless crystal that is stable in acidic, alkaline, hot and humid environments. It has broad-spectrum fungicidal activity, strong systemic absorption, and can be conducted to the top of plants, providing protection and therapeutic effects on diseases. It can control stem, leaf and spike diseases of cereal crops (mainly including wheat, barley, rye, corn, etc.) as well as soil-borne diseases (75mg/kg seeds) and seed-borne diseases (200-300mg/kg seeds), such as powdery mildew, rust, cloud pattern disease, leaf spot disease, net spot disease, black spike disease, etc. At the same time, it can also prevent and control diseases spread by soil and seeds. It has a special effect on grain powdery mildew, especially on eradicating the spore piles of wheat powdery mildew. After 5 to 10 days of medication, the originally formed disease spots will disappear. Developed by the British company Jetcon in 1980, it is a sterol demethylation inhibitor that can effectively inhibit the biosynthesis of ergosterol, cause the rupture of fungal cell walls, and has a good protective and therapeutic effect on many diseases caused by basidiomycetes and ascomycetes. It also has a certain fumigation effect, but is inactive against oomycetes and bacteria.
Pentazole, a fungicide, is currently the most active triazocyclic fungicide and an inhibitor of sterol demethylation. Colorless crystal, melting point 57.6-60.3â??, vapor pressure 0.37mPa at 20, density 1.30(20â??). Solubility (25) : 73mg/L in water, 730g/L in ethanol, 770g/L in propanol, 610g/L in toluene, 22g/L in hexane, 400g/L in octanol. pKa1.51. It is stable to hydrolysis and below 350â??. It is absorbed through the active tissues of crops such as roots, stems and leaves, and can be quickly conducted upward in the plant body along with the body fluids. The results of indoor activity determination and field efficacy tests show that it is highly effective against white rot of grapes, and also has good control effects on leaf spot disease, black star disease, anthracnose and powdery mildew. Mode of action: Systemic bactericidal, with therapeutic, protective and eradicating effects. Mechanism of action: Inhibits sterol demethylation and plays a role during the germination and invasion of fungal spores. Control targets: Pathogenic bacteria of the genus Melanoderma in the family Albicarbonaceae, as well as other pathogenic sporomycetes, basidiomycetes and deuteromycetes. Especially the above-mentioned pathogenic bacteria on pumpkins, grapes, pins, ornamental plants and vegetables.
It is a broad-spectrum protective fungicide that can prevent various fungal diseases. The efficacy is stable and the residual period is long. It can be used for crops such as wheat, rice, vegetables, fruit trees, peanuts and tea. For example, for wheat scab, spray 11.3g of 75% wettable powder per 100m2 with 6kg of water. For vegetable diseases (early blight, late blight, leaf mold, leaf spot of tomatoes, downy mildew of melons, anthracnose), spray 135 to 150 grams of 75% wettable powder with 60 to 80 kilograms of water. For downy mildew and powdery mildew on fruit trees, spray 75 to 100 grams of 75% wettable powder mixed with 30 to 40 kilograms of water. In addition, it can also be used for peach rot, scab disease, tea anthracnose, tea cake disease, net cake disease, peanut leaf spot disease, rubber canker disease, cabbage downy mildew and black spot disease, grape anthracnose, potato late blight, eggplant gray mold disease, and orange scab disease.
Benzoone is a benzophenone fungicide developed by BASF of Germany. It was first created by Cyanamide Corporation of the United States (now part of BASF) in 1998. It is mainly used to control powdery mildew and eye spot diseases in crops such as grains, cucumbers and grapes. Chemicalbook has attracted much attention due to its unique mechanism of action. It began to be registered in European countries in 2004. In 2013, the global sales of benzodiazone reached 75 million US dollars. At the end of 2015, it obtained the registration of benzodiazone raw materials and preparations in China.
Benzoone inhibits the spore germination of powdery mildew by interfering with the development and formation of attachment cells during spore germination, and can act on the entire life cycle of fungi. Studies have shown that the number of spore germinations of powdery mildew bacteria after treatment with benzophenone is significantly reduced. Secondly, benzoone interferes with the establishment and formation of polar muscle actin tissue, thereby interfering with and inhibiting the formation of the apical cells of the mycelium of the pathogen. This hinders the normal development and growth of the mycelium, inhibits and hinders the invasion of the powdery mildew pathogen, effectively controls the harm of powdery mildew, and has obvious preventive and therapeutic effects.
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Highly efficient and broad-spectrum azole fungicides, with preventive, therapeutic and eradication effects, and strong systemic absorption (capable of both upward and downward conduction). It has a special effect on powdery mildew, rust and black smut. Its bactericidal effect is to inhibit the biosynthesis of ergosterol. It is mainly used for the prevention and control of diseases of crops such as wheat, fruit trees, vegetables, melons and flowers. For the prevention and control of wheat rust disease, spray 6 to 9 grams of 25% wettable powder per 100 square meters with 7.5 kilograms of water, which can also treat barley cloud pattern disease. Or, 75g of 25% wettable powder can be mixed with 46.5 to 188kg of wheat seeds, which can simultaneously treat fishy black smut, scattered black smut and total erosion. For the prevention and control of wheat powdery mildew, use 6 to 9 grams of 25% wettable powder per 100 square meters, mixed with 7.5 kilograms of water. Apply the pesticide at the early stage of the disease. For cucumber powdery mildew, apply 3.8 to 7.5g of 25% wettable powder per 100m �² to 7.5kg of water at the initial stage of the disease. For the prevention and control of corn smut, use 320g of 25% wettable powder to coat 100kg of seeds. Triazolidone has a prominent effect on preventing premature aging of hybrid rice. When 20% emulsified oil was applied at 6mL/100m2, the yield increased by 11% - 16% compared with the control, the daily aging rate of green leaves decreased by 26.85% - 33.2%, the seed setting rate increased by 4.94% - 9.07%, and the 1000-grain weight increased by 3.73% - 4.77%. The use of triazolidone on grain crops such as wheat, corn and sorghum should be discontinued 35 days before the harvest of the crops.
This is a highly effective and low-toxicity systemic conductive fungicide for controlling rice and cotton seedling damping-off disease, and it also has excellent plant growth hormone functions. When used for soil irrigation at 600ppm before and after rice sowing or after emergence, it has a remarkable effect on controlling rice seedling damping-off disease, with a control efficiency of over 93%. Chemicalbook applies the agent containing 300-600 PPM of active ingredients to the fields of planted rice seedlings, sugar beets, saplings, etc., which can prevent diseases caused by Fusarium, Filarium, Botrytis and Fusarium. The liquid medicine containing 0.5-1% of the active ingredients can be used as a seed treatment agent for sugar beets.
Silkworm toxin insecticides have strong contact and stomach toxicity effects. They invade the binding sites of nerve cells, blocking the transmission of acetylcholine secreted by the previous nerve cell to the subsequent nerve cell, thus preventing the nerve cells from becoming excited. This causes the insect's nerves to become paralyzed, unable to gnawing, move, and stop developing, eventually leading to death. It has a good control effect on both the rice stem borer and the rice stem borer, and can also control the rice leaf roller, leafhoppers, slime beetles, etc. It is also effective against the small vegetable moth and the yellow-striped spiny beetle. For the rice stem borer and rice stem borer, spray with 50% soluble powder at a dilution of 1000 to 1500 times. For the rice bud worm and rice leaf rolling worm, spray with 1000 times dilution. For the water stem borer, water stem ash borer, small vegetable moth, yellow striped flea moth, citrus leaf miner, and onion thistle, spray with 1000 times dilution.
It is a chlorinated nicotinoid insecticide. This agent features a broad insecticidal spectrum, high activity, low dosage, long-lasting and rapid effect. It has contact killing and stomach toxicity effects, as well as excellent systemic activity. It is effective against hemiptera (aphids, leafhoppers, whiteflies, scale insects, scale insects, etc.), lepidoptera (diamondback moths, burrowing moths, small bores, leaf stem borers), Coleoptera (longhorn beetles, gibbons), and supertera pests (thrips). Because the mechanism of action of acetamiprid is different from that of commonly used insecticides at present, it has a special effect on organophosphorus, carbamate and pyrethroid pests that are resistant to them.
Thiamethoxam has excellent control efficacy against important pests on pear fruits, cotton, vegetables and potatoes. Besides being effective against aphids and whiteflies, it is also effective against various beetles (such as potato beetles, apple beetles and rice beetles) and lepidoptera pests such as leaf loths and apple moths on apple trees, and is applicable to all corresponding crops. It has a rapid killing effect on the pine brown longhorn beetle, poplar longhorn beetle and many other types of longhorn beetles that are difficult to control with common insecticides. It can effectively cut off the main transmission medium of pine wood nematode and inhibit the occurrence of pine wood nematode disease. Two hours after application, longhorn beetles start to die in large numbers, and the control effect can reach over 90% after 24 hours. While controlling the brown longhorn beetle, it can also simultaneously control pests with overlapping periods such as pine caterpillars, poplar boat moths, pine scale insects, American white moths and various inchworms. Japan was once the country most severely affected by pine wood nematode disease. In recent years, Japan has promoted the use of thiamethoxam to control the pine brown longhorn beetle, and the control effect has been very ideal. This has effectively controlled the pine wood nematode disease in Japan, and the rate of pine tree blight has dropped to one in ten thousand.
Paraquat is a non-selective herbicide. However, due to the lack of a specific antidote, the mortality rate after poisoning is high, the death process is long, and patients suffer greatly. There is a strong call for its ban in society. In order to safeguard people's lives and health safety and ensure the safe production and use of paraquat, the Ministry of Agriculture has successively taken relevant measures in recent years to strengthen the agricultural registration, production, sales and use management of paraquat products. Paraquat, with the chemical name 1-1-dimethyl-4-4-bipyridine cationic salt, is a fast-acting non-selective herbicide. It has contact killing effect and certain systemic effect, and can be quickly absorbed by the green tissues of plants, causing them to wither and die. It has no effect on non-green organizations.
It is a non-homogeneous triazine herbicide and a photosynthesis inhibitor. It is mainly used to control gramineous weeds (especially broomweed) and certain broadleaf weeds in cereal crops (such as wheat) and tomato fields, with a dosage of 0.55 to 1 kg of active ingredient per hectare. When applied before germination and after germination in autumn, it has an excellent control effect on the tail of the rat. Applied before tillering, it can control wild oats, chickweed, etc. The dosage is 0.75 to 1.5kg/hm2.
The principle of cow dung press is spiral extrusion solid-liquid separation technology. The main components are: body, screen, extrusion auger, reduction motor, discharge device and other components.
The solid separated from the cow dung dehydrator is dry and odorless. It is a good farmland fertilizer. It does not produce leachate during storage, and is convenient for transportation and storage. It can effectively improve the air environment of the livestock farm and solve the environmental pollution problem during the transportation of solid dung residue. After separation, the water content of the liquid part is about 60%, which is not easy to produce crusting and sedimentation during storage. The separated liquid nitrogen and phosphorus content is small, which can be diluted and used as irrigation water or fertilizer, and can be effectively absorbed by farmland crops.
MgO is commonly used as a supplement for magnesium deficient soils especially for crops such as citrus, potatoes, vegetables, fruits and grass pastures.As we know magnesium is a required element in plant photosynthesis. Magnesium Oxide offers an available source of magnesium for various fertilizer applications, especially for Magnesium Sulfate.
1.Ammonium chloride is a kind of neutral fertilizer were widely used for most crops like rice, corn, sorghum, wheat, cotton, vegetables, and other crops
2.The nitrification rate is slow, not easy loss, fertilizer efficiency long, ,high effective utilization rate of nitrogen
3.To reduce crop lodging, rice blast, bacterial blight, root rot and other disease occurrence
