75 results about "Family cyperaceae" patented technology

The invention relates to a synergistic weeding composition. The synergistic weeding composition comprises weeding activity components consisting of pyribenzoxim and pyrazosulfuron-ethyl, and is suitable for selective control of weeds in beneficial crops such as rice. The synergistic weeding composition comprises the weeding activity components consisting of the pyribenzoxim and the pyrazosulfuron-ethyl, wherein the weight ratio of the pyribenzoxim to the pyrazosulfuron-ethyl is 100: 1 to 1:100. The synergistic weeding composition also can comprise a safety agent. The novel weeding composition is prepared through ternary complex formulation of the pyribenzoxim and the pyrazosulfuron-ethyl, so that defects caused by single use of the pyribenzoxim can be effectively overcome, a weed killing spectrum for the weeds is enlarged, and at the same time generation of drug resistance is postponed. The weeds in rice fields can be basically removed by one-time use of the weeding composition, so that the weeding composition is labor saving, time saving, and effort saving, can alleviate some of the rural labor shortage, and at the same time can play a certain role in increase of both production and income of the rice. The weeding composition shows an enhanced effect on the control of broadleaf weeds, gramineae weeds and cyperaceae weeds of the rice fields.

The present invention relates to the technical field of pesticide production, and discloses a weeding composition as well as a preparation method and application thereof. The composition contains two active components such as trifluoro-metribuzin and terbutryn, then an emulsifier and a thickener are added and mixed with water; and finally a suspending agent, namely the composition, is prepared after high-speed shearing, wet sand milling and finally homogeneous filtration. The weight ratio of trifluoro-metribuzin to terbutryn in the composition is 1: (30-60), and the weight percentage of the two active components such as trifluoro-metribuzin and terbutryn in the composition is 30-70%. The weeding composition disclosed by the present invention is mainly used for soil treatment, and can effectively prevent and control weeds in wheat and corn fields. The defect of single active component in prevention and control is improved, and the weeding composition has a remarkably synergistic effect in preventing and controlling both annual gramineous weeds and broadleaf weeds and cyperaceous weeds. The composition not only can effectively prevent and control the weeds but also is good in safety, and has no effect on afterreap crop, so that the composition is an ideal weeding composition.

The invention relates to a synergistic herbicide composition. The composition is suitable for selectively controlling weeds in beneficial crops such as rice. The synergistic herbicide composition includes the following herbicide active ingredients: pyribenzoxim and bentazone in a weight ratio of (100:1)-(1:100). The composition can also include safeners. Through binary compounding of pyribenzoxim and bentazone, the obtained new composition can effectively overcome the defects existing when pyribenzoxim is exclusively used, expand the weed control spectrum and also delay drug resistance, can basically remove the weeds in the rice fields after being used once, saves labor, time and effort, can partially relieve the condition of lack of labor in the countryside, further has certain effects on rice yield increase and gains effects on controlling the broad-leaf weeds, grassy weeds and cyperaceae weeds in the rice fields.

The invention belongs to the technical field of pesticides and discloses a wettable powder containing penoxsulam, mefenacet and pyrazosulfuron-ethyl. The wettable powder is prepared with the penoxsulam, the mefenacet and the pyrazosulfuron-ethyl as main active components according to the mass ratio of 0.1-40:0.1-80:0.1-60. The total mass percentage content of the penoxsulam, the mefenacet and the pyrazosulfuron-ethyl in the wettable powder is 1-80%. The aqueous agent also includes 1-20% of a dispersing agent, 1-10% of a wetting agent and the balanced being filling materials. The invention also discloses an application of the wettable powder in prevention and removal of weeds in paddy fields. By means of combination of the herbicides, the wettable powder is enlarged in weeding spectrum and is improved in weeding effects, has an outstanding preventing and treating effects on gramineous weeds, cyperaceae weeds and broadleaved weeds, is quick in effects, is long in lasting period, can delay drug resistance, is completely in weeding, is low in residue, is low in toxicity and is safe and environmental-protective.

The invention relates to a synergistic weeding composition, and particularly relates to the synergistic weeding composition which is a ternary composition of pyribenzoxim, 2-methyl-4-chloro-phenoxyacetic acid or a derivative thereof, and bentazone, and used in rice fields. The synergistic weeding composition comprises three active ingredients consisting of (a) the pyribenzoxim, (b)the 2-methyl-4-chloro-phenoxyacetic acid or the derivative thereof, and (c)the bentazone in a weight ratio of 1-100: 1-100:1-100. The weeding composition also can comprise a safety agent. The weeding composition is prepared through ternary complex formulation of the pyribenzoxim, the 2-methyl-4-chloro-phenoxyacetic acid or the derivative thereof, and the bentazone, so that defects caused by single use of the pyribenzoxim can be effectively overcome, a weed killing spectrum for weeds is enlarged, and at the same time generation of drug resistance is postponed. The weeds in the rice fields can be basically removed by using the weeding composition for once, so that the weeding composition is labor saving, time saving, and effort saving, can alleviate some of the rural labor shortage, and at the same time can play a certain role in increase in both production and income of rice. The weeding composition shows an enhanced effect on the control of broadleaf weeds, gramineae weeds and cyperaceae weeds in the rice fields.

The invention relates to a synergistic weeding composition, and particularly relates to a novel complex weeding composition used in rice fields, wherein the complex weeding composition is a binary composition of pyribenzoxim and bensulfuron-methyl. The weeding composition comprises weeding active ingredients consisting of the pyribenzoxim and the bensulfuron-methyl, wherein a weight ratio of the pyribenzoxim to the bensulfuron-methyl is 100:1-1:100. The weeding composition also can comprise a safety agent. The weeding composition is prepared through binary complex formulation of the pyribenzoxim and the bensulfuron-methyl, so that defects caused by single use of the pyribenzoxim can be effectively overcome, a weed killing spectrum for weeds is enlarged, and at the same time generation of drug resistance is postponed. The weeds in the rice fields can be basically removed by using the weeding composition for once, so that the weeding composition is labor saving, time saving, and effort saving, can alleviate some of the rural labor shortage, and at the same time can play a certain role in increase of both production and income of rice. The weeding composition shows an enhanced effect on the control of broadleaf weeds, gramineae weeds and cyperaceae weeds in the rice fields.

The invention discloses a paddy field binary compound herbicide which is characterized by comprising the following raw material components by weight: 15-25 parts of benzobicylon, 3-8 parts of bensulfuron methyl, 2-15 parts of surfactants, 3-10 parts of antifreeze agents, 0.1-0.3 part of preservatives, 0.1-1 part of thickening agents, 0.1-0.8 part of defoamers, and 1-15 parts of disintegrating agents, the balance being filling materials. The weight ratio of the benzobicylon to the bensulfuron methyl is 13.5-22.5:4.53-4.94. The formula contains special carriers, is long in lasting period, and improves the paddy safety; the herbicide of the invention has special effect on annual gramineous weeds, broad-leaf weeds and cyperaceae weeds, and has significant inhibition effect on perennial weeds. Ideal weeding effect can be achieved after application once, and thus the application cost is decreased greatly.

The invention relates to a rice field herbicide composition. The rice field herbicide composition comprises 1.0 weight parts of cyhalofop butyl and 7.0-35.0 weight parts of thiobencarb as effective ingredients and agricultural acceptable pesticide adjuvant adapted to the effective ingredients according to dosage forms. The rice field herbicide composition can effectively remove graminaceous weeds, Cyperaceae weeds and broadleaf weeds and has synergistic effect, thus the pesticide cost is reduced, and the times of usage are reduced.

The invention relates to a synergistic weeding composition containing clodinafop-propargyl. The composition is composed of the following active components: clodinafop-propargyl, carfentrazone-ethyl and MCPA-sodium (2-methyl-4-chloro-phenoxyacetic acid-sodium) that are in a weight ratio of 1-40:1-40:10-80. The composition can be prepared into wettable powder, water dispersible granules, oil-based suspensions, suspension emulsions, microemulsions, and emulsions in water. The weeding composition provided in the invention can be used for prevention and treatment of broadleaf weeds, gramineous weeds and cyperaceae weeds in corn field and wheat field.

The invention relates to a weeding composition containing bentazone and pyriminobac-methyl. The effective components of the weed composition contain bentazone and pyriminobac-methyl. The parts-weight ratio of bentazone to pyriminobac-methyl is (50:1) to (1:6). The weeding composition has the advantages that after bentazone and pyriminobac-methyl are compounded, the weeding effect is improved, the weed control spectrum is expanded, the resistance rack caused by single use of bentazone or pyriminobac-methyl is reduced, the dosage and the use cost are reduced, and the weeding composition is suitable for controlling rice field weeds, cyperaceae weeds and annual broadleaf weeds.

The invention relates to a synergetic herbicidal composition which comprises herbicidal active components of pyribenzoxim and 2-methyl-4-chloro-phenoxyacetic acid or a derivative thereof, wherein a weight ratio of pyribenzoxim to 2-methyl-4-chloro-phenoxyacetic acid or the derivative thereof is 100 : 1-1 : 100. The synergetic herbicidal composition is suitable for selective weed control weeds in beneficial crops such as rice. The synergetic herbicidal composition also can comprise a safety agent. Through binary compound of pyribenzoxim and 2-methyl-4-chloro-phenoxyacetic acid or the derivative thereof, the obtained novel composition can effectively overcome the defects that pyribenzoxim is used individually, enlarge herbicidal spectrum for weeds and delay the generation of resistance. The weeds in rice fields can be largely eradicated by applying the synergetic herbicidal composition at one time. The synergetic herbicidal composition is labor-saving, time-saving and effort-saving and has a certain effect for increasing both production and income for the rice. An enhanced effect in prevention of broad leaf weeds, grassy weeds and cyperaceae weeds in the rice fields is obtained.

The invention belongs to the technical field of chemical synthesis, and provides a mixed herbicide comprising three active ingredients of flazasulfuron, dithiopyr and pyributicarb, as well as a preparation method and application of the mixed herbicide. The mass ratio of the flazasulfuron, the dithiopyr and the pyributicarb is (1-70):(1-60):(1-60); the percentage of the total mass of the three active ingredients in the mass of the herbicide is 10-80%. The mixed herbicide provided by the invention has the advantages that the mixed herbicide is high in herbicidal activity, broad in herbicidal spectrum, and long in lasting period, delays weed resistance, and is high in safety, and can be widely used for weeding of lawn and meadow, particularly for various graminaceae, cyperaceae and broad-leafed weed in lawn controlling weed.

The invention relates to a synergetic herbicidal composition, and particularly relates to a novel compounded herbicidal composition which is a ternary compounded system including pyribenzoxim, carfentrazone-ethyl and pyrazosulfuron and is used for rice fields. The synergetic herbicidal composition comprises herbicidal effective amounts of (a) pyribenzoxim, (b) carfentrazone-ethyl and (c) pyrazosulfuron, wherein a weight ratio of the three active components (a) to (b) to (c) is 1-100 : 1-100 : 1-100. The synergetic herbicidal composition also can comprise a safety agent. Through ternary compound of pyribenzoxim, carfentrazone-ethyl and pyrazosulfuron, the obtained novel composition can effectively overcome the defects that pyribenzoxim is used individually, enlarge herbicidal spectrum for weeds and delay the generation of resistance. The weeds in rice fields can be largely eradicated by applying the synergetic herbicidal composition at one time. The synergetic herbicidal composition is labor-saving, time-saving and effort-saving, thereby relieving labor crunch in rural areas, and has a certain effect for increasing both production and income for the rice. An enhanced effect in prevention of broad leaf weeds, grassy weeds and cyperaceae weeds in the rice fields is obtained.

The invention discloses a weeding composite for preventing and killing weeds in a sugarcane field. The active components of the weeding composite include trifloxysulfuron and trinexapac-ethyl which are combined based on the weight ratio of (1:0.01)-(1:100), and the weight of the active components accounts for 1-95% of the total weight of the weeding composite. The weeding composite can be wettable powder, or water dispersible granules, or a suspension agent, or an oil suspension agent, or a dry suspension agent, or powder, or granules, or missible oil, or emulsion in water, or microemulsion or suspension emulsion. The weeding composite has a remarkable weed preventing and killing effect on the sugarcane field, herbicidal activity is high, gramineae, cyperaceae and broadleaved weeds can be killed at a time, the synergism effect is remarkable, the weeding composite is safe to sugarcanes and can make sugarcanes become ripe before being harvested, the sugar degree of sugarcanes is higher, the yield increase effect is remarkable, and using cost can also be reduced.

The invention belongs to the field of the pesticide, relating to a hybrid weeding composite containing Bispyribac-sodium and mefenacet. The hybrid weeding composite takes the Bispyribac-sodium and the mefenacet as effective ingredients with the mass ratio of (1-99):(1-99). The weeding composite can prevent and remove paddy field grass family weeds, broad leaf weeds and cyperaceae weeds. On the premise of improving pesticide effect, the weeding composite can delay weed resistance, has the advantages of wide weeding spectrum and long effect lasting period if being compared with a single agent, is safe to the paddy and next batch of crop and is an ideal paddy field weeding composite.

The invention discloses a mixed weedicide containing flazasulfuron, bensulfuron and carfentrazone-ethyl. The mixed weedicide adopts flazasulfuron, bensulfuron and carfentrazone-ethyl as main effective components, wherein the mass ratio of flazasulfuron to bensulfuron to carfentrazone-ethyl is (0.1-80) to (0.1-80) to (0.1-80). The mixed weedicide can be applied to weeding in front of and behind lawn seedlings, particularly to prevention and removal of various grassy, cyperaceous and broad-leaved weeds in the lawn, and has a remarkable effect; in addition, the mixed weedicide has a relatively good synergetic effect, can delay the resistance of the weeds, and is wide in weeding spectrum, long in lasting time, safe to the lawn and remarkably superior to a single weedicide in effect.

The invention belongs to the technical field of pesticide, relating to a herbicide, in particular to an application of hybrid herbicide containing Cinosulfuron, cyhalofop-butyl and butachlor. The herbicide takes the Cinosulfuron, the cyhalofop-butyl and the butachlor as main effective ingredients with the mass ratio of (0.1-80): (0.1-80): (0.1-80). The hybrid herbicide disclosed by the invention has obvious effect when being applied to the paddy field weeding, in particular to preventing and removing of various grass family weeds, cyperaceae weed family weeds and broad leaf family weeds in the paddy field. On the premise of improving pesticide effect, the herbicide can delay weed resistance, has the advantages of wide weeding spectrum and long effect lasting period if being compared with a single agent and is safe to the paddy and next batch of crop.

The invention relates to a weeding composition. The active components of the weeding composition include a compound (A) and a compound (B), wherein the compound (A) is metazosulfuron or salt of metazosulfuron; the compound (B) is pyribenzoxim; and the weight ratio of the compound (A) to the compound (B) is (6 to 1)-(50 to 1). The invention further relates to use of the weeding composition in the prevention and control of the germination and growth of undesired plants such as broadleaf weeds, cyperaceae weeds and grassy weeds in paddy, wheat, barley, rye, oilseed rape, low-erucic acid oilseed rape, beet, corns, turf, cotton, vegetables, sugarcane and soybeans.

The invention provides a synergic weeding composition comprising active components, namely a compound (A) and a compound (B), wherein the compound (A) is a compound of formula (I) as shown in the specification, or an agricultural salt or vinegar thereof; the compound (B) is selected from monosulfuron ester; the weight ratio of the compound (A) to the compound (B) is 50:1-1:50. The invention further provides application of the synergic weeding composition in preventing and inhibiting germination or growth of broad leaf weeds, cyperaceae weeds, grassy weeds and plants unexpected by rice, wheat,barley, rye, oilseed rape, low-erucic acid oilseed rape, beets, corn, turf, cotton, vegetables, sugarcane and soybeans.