Common Name Glyphosate
Chemical Name N-(phosphonomethyl)glycine
Molecular Formula C3H8NO5P
CAS NO 1071-83-6
EINECE NO 213-997-4
Application It is used to kill weeds, especially annual broadleaf weeds and grasses that compete with crops.
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.
Herbicides are substances used to control unwanted plants, commonly known as weeds. They play a crucial role in agriculture by preventing weeds from competing with crops for nutrients, water, and sunlight. There are two main types of herbicides:
â?¢ Selective herbicides: Target specific weed species while leaving crops unharmed.
â?¢ Non-selective herbicides: Kill all plants they come into contact with.
Historically, weed control involved manual methods like tilling and altering soil conditions. The first major breakthrough in chemical herbicides came during World War II with the development of 2,4-D, which allowed for selective weed control in cereal crops.
Modern herbicides are widely used in agriculture, forestry, and even urban landscaping to maintain clear spaces and prevent invasive plant species from spreading. However, their use must be carefully managed to avoid environmental damage and resistance in weeds.
Paraquat is a toxic chemical that is widely used as an herbicide (plant killer), primarily for weed and grass control. In the United States, paraquat is available primarily as a liquid in various strengths.
Chemical Abstracts name: (5-cyclopropyl-4-isoxazolyl)[2-(methylsulfonyl)-4-(trifluoromethyl)phenyl]methanone
CAS No: 141112-29-0
Mode of action:
Systemic herbicide, rapidly taken up by the roots and foliage, translocates throughout the plant and rapidly convert to diketonitrile (DKN), which is an inhibitor of the enzyme p-hydroxy phenyl pyruvate dioxygenase (HPPD).
Uses:
Control of more than 40 broadleaf and grass weeds. Applicable crops include maize, sugarcane, chickpeas, cotton, ornamentals, potatoes, sweet potatoes. Optimum activity is obtained when it is applied in moist conditions. Isoxaflutole applied pre-plant may provide 8-10 weeks residual action. Besides, a unique effect has been demonstrated in field trials that its activity against weeds can be re-induced following rainfall.
Cas no: 88485-37-4
Similar product: concept iii (syngenta)
Uses:
For seed treatment, fluxofenim is a herbicide antidote that protects grain or forage sorghum from injury due to herbicide like s-metolachlor. It also helps provide better weed control and greater care for the crop and the environment.
Uses:
Cyprosulfamide is a safener for herbicides like Isoxaflutole, Thiencarbazone-methyl, Nicosulfuron and Dicamba on corn or maize. It works within the plant systemically, through both soil and foliar uptake, to increase the rate of metabolic activity, thus contributes to corn safety while the herbicide works to the weeds. It also increases the flexibility of application timing, compatibility over various soil types and maximizes root growth and plant health.
Mode of action:
Systemic herbicide, rapidly taken up by the roots and foliage, translocates throughout the plant and rapidly convert to diketonitrile (dkn), which is an inhibitor of the enzyme p-hydroxy phenyl pyruvate dioxygenase (hppd).
Uses:
Control of more than 40 broadleaf and grass weeds. Applicable crops include maize, sugarcane, chickpeas, cotton, ornamentals, potatoes, sweet potatoes. Optimum activity is obtained when it is applied in moist conditions. Isoxaflutole applied pre-plant may provide 8-10 weeks residual action. Besides, a unique â??rechargeâ?? effect has been demonstrated in field trials that its activity against weeds can be re-induced following rainfall. Because of the unique mode of action, isoxaflutole can also play a role in the management of triazine resistant weed species.
Formulation types: isoxaflutole 98% tc, isoxaflutole 75% wg
Mode of action:
Broad-spectrum systemic herbicide, absorbed by foliage and translocated to growing points. Inhibits an enzyme involved in the synthesis of the aromatic amino acids tyrosine, tryptophan and phenylalanine.
Uses:
Over 150 crops for control of annual and perennial weeds, woody brush, and trees. Use directly in tree and plantation crops, post emergence over soybeans, and postharvest in fallow periods and non cropland. Control of annual and perennial grasses and broad-leaved weeds, pre-harvest, post-planting/pre-emergence and in stubble, in cereals, peas, beans, oilseed rape, flax and mustard, at c. 1.5-2 kg/ha; as a directed spray in vines and olives, at c.4.3 kg/ha; in orchards, pasture, forestry and industrial weed control, at c. 4.3 kg/ha. As an aquatic herbicide, at c. 2 kg/ha.
Mode of action:
Selective systemic herbicide, absorbed by the foliage and roots, with rapid translocation in xylem and phloem to the meristematic tissues.
Uses:
Selective post-emergence control in maize of annual grass weeds, broad-leaved weeds.
Mode of action:
Selective systemic herbicide, absorbed by the leaves and roots, with ready translocation throughout the plant via both the symplastic and apoplastic systems. Acts as an auxin-like growth regulator.
Uses:
Control of annual and perennial broad-leaved weeds and brush species in cereals, maize, sorghum, sugar cane, asparagus, perennial seed grasses, turf, pastures, rangeland, and non-crop land. Used in combinations with many other herbicides. Dosage varies with specific use and ranges from 0.1 to 0.4 kg/ha for crop use, higher rates in pasture.
Mode of action:
Selective systemic herbicide. Activity comes from the formulation of the herbicidally active monocarboxylic in the initial metabolic step in the susceptible grasses after leaves absorption.
Uses:
Control of annual and perennial grass weeds in rice field with only post-emergence activity. It is highly effective against barnyard grass, leptochloa and some other paddy weeds. In some situation, cyhalofop-butyl can be used to deal with propanil or quinclorac-resistant echinochloa. It is suggested that 2.3 l/ha of crop oil concentrate be added to the tank with the herbicide. To maximize the efficacy, better be applied within 2 weeks following flood establishment in rice fields.
Mode of action:
Systemic herbicide, rapidly absorbed and readily translocated from treated foliage to the root system and growing parts of the plant.
Uses :
Post-emergence control of annual and perennial grasses, in a wide range of broad-leaved crops (including such field crops as soya beans, cotton, flax, sunflowers, alfalfa, peanuts, oilseed rape, sugar beet, tobacco, and potatoes), vegetable crops, trees and vines. To be used with a non-phytotoxic crop oil concentrate.
Mode of action:
Selective systemic herbicide that inhibit the enzyme acetolactate synthase (ALS), absorbed by foliage and roots.
Uses:
Control of annual and perennial grasses, broadleaf weeds and sedges. It has a wide window of application and can be used from the 1-7 leaf stages of Echinochloa spp; the recommended timing being the 3-4 leaf stage. The product is for foliar application, most used crops are rice and turf. For growth regulator use, bispyribac-sodium should be applied before weeds are 10 cm tall in rice fields and before weeds are 30 cm tall in non-agricultural areas. The use of PASS is recommended for optimum activity.
Mode of action:
As a systemic sulfonylureas herbicide, and a ALS inhibitor.
Uses:
Used as a post-emergence herbicide, it has good control for annual grass weeds and some broadleaf weed like chickweed in winter and spring wheat.
Systemic herbicide used in the control of broadleaf weeds. Salts are readily absorbed bythe roots, whilst esters are readily absorbed by the foliage. Post-emergence control ofannual and perennial broad-leaved weeds in cereals, maize, rice, sorghum, sugarcane,grassland, established turf, grass seed crops, orchards (pome fruit and stone fruit),cranberries, asparagus, forestry, and on non-crop land (including areas adjacent towater).
Selective systemic herbicide, absorbed by the roots and the foliage, with translocationacropetally in the xylem and accumulation in the apical meristems and leaves. Pre- andpost-emergence control of annual broad-leaved weeds and annual grasses in maize,sorghum, sugarcane, pineapples, chemical fallow, grassland, macadamia nuts, conifers,and industrial weed control. In Europe, use is concentrated in maize and sorghum. Usedalso in combinations with many other herbicides.
Non-selective contact herbicide with some systemic action. Translocation occurs only within leaves, predominantly from the leaf base to the leaf tip. Control of a wide range of annual and perennial broad-leaved weeds and grasses in fruit orchards, vineyards, rubber and oil palm plantations, ornamental trees and bushes, non-crop land, and pre-emergence in vegetables. Also used as a desiccant in potatoes, sunflowers, etc. For control of annual and perennial weeds and grasses in glufosinate-tolerant crops (oilsee rape, maize, soya beans, sugar beet) developed through gene technology.
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