48results about How to "Fast weed killing" patented technology

The invention belongs to the field of agricultural herbicides, and particularly discloses a paddy field herbicide mixture. The paddy field herbicide mixture is characterized in that: the active components of the paddy field herbicide mixture include 0.5 to 90 percent of component A, 0 to 90 percent of component B and 0 to 90 percent of component C in part by weight, wherein the component A is clomazone, the component B is cyhalofop butyl ester or pfenoxaprop-ethyl, and the component C is one of bensulfuron-methyl, pyrazosulfuron-ethyl and carfentrazone-ethyl. The paddy field herbicide mixture has a remarkable synergistic effect and the effect of increasing the weed-killing speed, prolongs the persistent time, achieves a prevention and elimination effect on a variety of gramineous weeds and latifolious weeds in paddy fields, and is low in toxicity, the weed control spectrum is broadened, and the dosage is remarkably reduced.

A herbicide is prepared from one of tribenuron-methyl, triasulfuron and bensulfuron-methyl, and fluoroglycofen-ethyl (1-50 wt.%) in ratio of 1:(0.625-2) through mixing. Its advantages are broad spectrum, low dosage, no environmental pollution, and high effect.

The invention belongs to the technical field of pesticides, and especially discloses a wheat field herbicide composition. The wheat field composition comprises a component A and a component B according to a weight percentage ratio of 1-500:500-1, wherein the component A is 2,4-DB and its derivatives, and the component B is one or more of sulfonylurea, aryloxyphenoxypropionate, triazolopyrimidines, triazoline-ketones, pyrazoles and synthetic hormones. The composition has a wide weed control spectrum, can prevent and treat grassy weeds and broad leaf weeds, has a very good synergistic effect, has an obvious synergistic effect than single use of preparations, has a fast weeding speed and is highly safe to wheat.

The invention discloses a fluthiacet-ethyl and glyphosate mixed preparation, which is a wettable powder, or emulsion, or micellar emulsion, or water dispersion particles (dried suspension agent), the preparation comprises 0.5-10% of fluthiacet-ethyl and 5-70% of Glyphosate.

The invention discloses a dicamba compound herbicide which comprises a first active ingredient-dicamba, a second active ingredient and an auxiliary. The second active ingredient is one of or a combination of several of chlortoluron, chlorsulfuron, isoproturon, methsulfuron, iodosulfuron methyl sodium salt, clodinafop acid and pinoxaden, the auxiliary is a composition of more than two of dispersant, emulsifier, wetting agent, disintegrant, binder, anti-freezing agent, thickener, filler and solvent, and the compound herbicide can be wettable powder, emulsifiable concentrate, suspension agent, water dispersible granules and soluble liquid. A mass ratio of the first active ingredient to the second active ingredient in the dicamba compound herbicide is 1:50-1:2. The dicamba compound herbicide can be used for preventing and killing both broad-leaf weed and grassy weed in wheat fields, can expand weed killing spectrum, improve prevention effect and delay weed resistance and can reduce consumption of dicamba, lower using cost and improve safety to wheat.

A sterilant composite herbicide with broad spectrum is proportionally prepared from glyphosate-isopropylamine salt, MCPA-isopropylamine salt, and surfactant.

The invention discloses a glyphosate and aryloxy phenoxypropionic acid herbicide composition and application thereof, and belongs to the technical field of pesticides. The effective ingredients of the composition are glyphosate and aryloxy phenoxypropionic acid herbicide, wherein the mixing ratio of glyphosate to haloxyfopmethy and the mixing ratio of glyphosate to fluazifop-p-butyl are respectively (7-28):1 and (5-16):1, the grass killing speed of the composition can be improved by 2-4 times, most eleusine indica having herbicide resistance on glyphosate can be killed, and the effect of the composition is superior to that of single dosage of glyphosate or aryloxy phenoxypropionic acid herbicide; and types with combined effect on eleusine indica have addition effect under different mixing combinations, the number of dosing times can be remarkably reduced, dosage of pesticide can be reduced, pollution for the environment caused by herbicides can be reduced, the problem of herbicide resistance of eleusine indica on glyphosate can be effectively controlled, and the service life of glyphosate can be prolonged. The glyphosate and aryloxy phenoxypropionic acid herbicide composition has an important meaning to comprehensive prevention and control on eleusine indica.

A composite herbicide contains (RS)-2-chloro-3-[2-chloro-5-(4-difluoromethyl-4,5- dihydro-3-methyl-5-oxy-1,2,4-triazole-1-yl)-4- fluorophenyl] propionic acid, tribenuron-methyl, and fenoxaprop-P-ethyl in weight ratio of (0.1-49):(0.1-49):(1-49). Its advantages are high effect and high safety.

The invention discloses a triazine weeding composition containing brassinolide compounds. The composition comprises an active ingredient and a synergistic aid. The active ingredients comprise bentazone, asulam and a triazine herbicide. The synergist is prepared from the brassinolide compound, algal polysaccharides, pectic acid and sulfosuccinic acid fatty alcohol. The composition has an extremelygood synergistic effect within a certain ratio range. Compared with a single agent, the mixed composition has the advantages that the weeding effect is obviously improved, so that the use dosage is reduced, the pesticide cost of farmers is reduced, and meanwhile, the influence degree on the environment is reduced. The composition has a wide weeding spectrum, can prevent and remove broadleaf weedsand other weeds in a soybean field, and has a very good synergistic effect. Compared with a single preparation, the composition has an obvious synergistic effect, is high in weeding speed, delays thedrug resistance of weeds, and has very good safety to a soybean field.

The invention relates to a combined weed control formulation containing quizalofop-p-ethyl, fomesafen and clomazone and a preparation method thereof. The preparation method comprises the following steps: adopting an emulsifiable solution formulation, in which the total weight of the quizalofop-p-ethyl, the fomesafen and the clomazone is 18 percent; and the fomesafen is mixed with organic amine inadvance to form salts according to the proportion of 1:5-5:1 by percentage by weight, so that the salts can be dissolved in vegetable oil or derivatives of the vegetable oil; and mixing the salts with the quizalofop-p-ethyl and the clomazone, adding 1 to 3 weight percent of isobutyl alcohol and 5 to 10 weight percent of emulsifier into the mixture to give the emulsifiable solution with transparent and uniform state, and taking the balance as the vegetable oil or the derivatives of the vegetable oil of a solvent. Compared with the prior art, the combined weed control formulation has the advantages that the reaction of raw medicines of diphenyl ether substances such as the fomesafen, and the like and the organic amine is performed to generate amine salts in advance, so that the amine salts can be dissolved in an environment-friendly vegetable oil solvent to realize the abandon of the prior solvent which is harmful to the environment and represented by DMF.

The invention discloses a synergistic herbicidal composition for a corn field and application thereof. The synergistic herbicidal composition comprises active ingredients and synergistic safeners. Theactive ingredients are composed of nicosulfuron, mesotrione, atrazine and thifensulfuron methyl. The synergistic safeners are composed of brassinolide compounds, tributyl phosphate, catechol, salicylic acid and potassium citrate. The advantages and disadvantages of the effective active ingredients of the invention are complementary, so the herbicidal spectrum of the synergistic herbicidal composition is enlarged, the herbicidal effect of the synergistic herbicidal composition is obviously improved, good synergistic effect is exerted in prevention and elimination of grassy weeds, broad-leaf weeds and other malignant weeds, especially in prevention and elimination of annual broad-leaf weeds and grassy weeds, and significant synergistic effect is produced; and the synergistic herbicidal composition has a fast herbicidal speed, delays the drug resistance generation of weeds, is highly safe to the corn field, improves labor efficiency, reduces manpower investment, lowers time cost and further increases corn production.

The invention relates to a compound herbicide for a paddy field. The compound herbicide for the paddy field contains the following components in parts by weight: 40-50 parts of florasulam, 10-15 parts of fluroxypyr-mepthyl, 10-30 parts of pendimethalin and 50-60 parts of a solvent. The herbicide also comprises 5-10 parts of pyrithiobac sodium. The herbicide has obvious synergy and effect of enhancing the killing effect, the duration is prolonged, and obtains good preventing and removing effect for multiple grassy weeds and broad leaf in the paddy field; besides, the herbicide is low in toxicity and wide in herbicide controlling spectrum, the dosage, drug delivery time and drug use cost are remarkably lowered, and the service life of the herbicide is prolonged.

The invention discloses a compound weeding composition. Effective components of the compound weeding composition include dicamba, agroxone and pinoxaden, wherein a weight ratio of dicamba to agroxone to pinoxaden is 0.5-5: 1-15: 1-30; besides, the compound weeding composition also contains a dispersing agent, an emulsifier, a wetting agent, an antifreezing agent, a thickening agent, a disintegrating agent, a binder, filler, a solvent and other auxiliaries; the dosage form of the compound weeding composition can be wettable powder, suspending agent, water dispersing granules and emulsion oil. The weeding effect of the compound weeding composition is significantly improved by comparing with that of single dosage, and the compound weeding composition can be applied to prevention and elimination of broad-leaf weed, nutgrass flatsedge and grassy weed in wheat fields; thus the compound weeding composition can enlarge herbicide controlling spectrum, improve prevention effects, retard weed resistance, reduce consumption of dicamba, decrease using cost, and improve wheat safety.

The invention relates to a compound herbicide composition, in particular to a binary compound herbicide composition applied to crop fields. The compound herbicide composition contains the active ingredients of saflufenacil and bensulfuron methyl, wherein the weight ratio of saflufenacil to bensulfuron methyl is 50:1-1:50. The invention further relates to application of the compound herbicide composition in controlling the undesirable plants of broadleaf weeds, cyperaceae weeds and gramineous weeds. The compound herbicide composition generates a synergistic effect when controlling gramineous weeds, broadleaf weeds and cyperaceae weeds in fields.

The invention relates to a compound synergistic herbicide composition and in particular relates to a synergistic herbicide composition applied to the fields of resistant oilseed rapes, resistant soybeans and other crops. The synergistic herbicide composition is characterized by comprising compounds A and a compound B, wherein the compounds A are selected from at least one of haloxyfop-R-methyl and fluazifop-P-butyl; the compound B is monosulfuron; the weight ratio of the compounds A to the compound B is (100 to 1)-(1 to 100). The synergistic herbicide composition has the beneficial effects that through binary compounding, the obtained new composition gains synergistic control effects on monocotyledonous weeds and dicotyledonous weeds in the fields of resistant oilseed rapes, resistant soybeans, and the like.

The invention relates to the technical field of weedicide for soybean fields, in particular to a fomesafen and clethodim weedicide for soybean fields, which comprises the following raw materials in percentages by weight: 10-15% of fomesafen, 10-15% of clethodim, 15-20% of dimethylformamide, 5-10% of stabilizer N-methyl diethanolamin, 5-10% of emulsifier and the balance of water. The fomesafen and clethodim weedicide is prepared by the following steps of: mixing the fomesafen and the dimethylformamide together; mixing the mixture with the clethodim and the N-methyl diethanolamin; mixing the water and the emulsifier together and stirring uniformly, and finally mixing with other raw materials and stirring uniformly. The invention has the advantages of improving the stability of the clethodim and avoiding the degradation of the clethodim, eradicating weeds in soybean fields completely at one time, having better prevention and control effect on single-cotyledon weeds and preventing killed weeds from regrowing; in addition, the invention also has the advantages of labor saving, time saving, money saving, low cost, simple process, farmer burden reduction, no harm to seedlings and no influence on yield.

The invention relates to compounded synergistic composition for weeding, in particular to synergistic composition for weeding in fields of resistant oilseed rape, resistant soybean crops and the like. The synergistic composition for weeding is characterized by comprising a compound A and a compound B, wherein the compound A adopts quizalofop-p-ethyl, and the compound B adopts triasulfuron. The prepared novel composition has a synergistic gaining effect on control and removal of monocotyledonous weeds and dicotyledonous weeds in fields of resistant oil seed rape, resistant soybeans and the like.

The invention relates to a compound synergistic herbicide composition and in particular relates to a synergistic herbicide composition applied to the fields of resistant oilseed rapes, resistant soybeans crops, and the like. The synergistic herbicide composition is characterized by comprising a compound A and a compound B, wherein the compound A is selected from haloxyfop-R-methyl; the compound B is selected from chlorsulfuron; and the weight ratio of the compound A to the compound B is (100 to 1)-(1 to 100). The synergistic herbicide composition has the beneficial effects that through binary compounding, the obtained new composition gains synergistic control effects on monocotyledonous weeds and dicotyledonous weeds in the fields of resistant oilseed rapes, resistant soybeans, and the like.