955results about How to "Expand the spectrum of weed control" patented technology

The invention relates to a herbicide composition, containing sulfonylurea or salt thereof, pyridine and cyhalofop-butyl as active ingredients with the weight ratio of 0.1 to 5: 0.1 to 10: 0.1 to 10. Compared with herbicides with single dose, the weed control effect of the herbicide composition of the invention is obviously improved, thereby reducing the using dosage, reducing the influence degreefor the environment while reducing the pesticide cost, simultaneously enlarging weed control spectrum, and having good control efficiency for Gramineae and broadleaf weeds in rice paddy fields.

The invention relates to a herbicide composition, containing sulfonylurea or salt thereof, pyridine and penoxsulam as active ingredients with the weight ratio of 0.1 to 5: 0.1 to 10: 0.1 to 10. Compared with herbicides with single dose, the weed control effect of the herbicide composition of the invention is obviously improved, thereby reducing the using dosage, reducing the influence degree for the environment while reducing the pesticide cost, simultaneously enlarging weed control spectrum, and having good control efficiency for Gramineae and broadleaf weeds in rice paddy fields.

The invention discloses a pesticide compound containing penoxsulam and cyhalofop-butyl, and the application thereof; the compound comprises commonly used additive, penoxsulam and cyhalofop-butyl; the weight part ratio of the penoxsulam to the cyhalofop-butyl is 1:1 to 1:20; and the weight percentage of the total weight of the penoxsulam and the cyhalofop-butyl in the pesticide compound is 5 to 80percent. The invention is used for preventing and removing annual grassy weeds in a paddy field. The prevention effect of the invention has significant synergic or adding effect than the single dose,and the invention reduces the used dose of the pesticide, reduces the medication cost, prolongs the service life of the preparation and reduces the adverse impact of the pesticide on the ecological environment.

The invention relates to a herbicide composition, containing sulfonylurea or salt thereof, pyridine and acetochlor as active ingredients with the weight ratio of 0.1 to 5: 0.1 to 10: 0.1 to 10. Compared with herbicides with single dose, the weed control effect of the herbicide composition of the invention is obviously improved, thereby reducing the using dosage, reducing the influence degree for the environment while reducing the pesticide cost, simultaneously enlarging weed control spectrum, and having good control efficiency for Gramineae and broadleaf weeds in rice paddy fields.

The invention discloses a herbicide medicine fertilizer for farmlands, which consists of weeding ingredients, fertilizer ingredients, a retarder, a safener, dispersing auxiliaries and filling materials. The fertilizer is characterized in that: the weeding ingredients comprise mefenacet and bensulfuron methyl; the fertilizer ingredients comprise nitrogen, phosphor, kalium, zinc and boron elements. The invention also discloses a preparation method of the medicine fertilizer. The medicine fertilizer granular formulation of the invention are applied to rice and one time use of the medicine fertilizer can realize both fertilization and weeding, thus reducing the labor intensity and working times of peasants and solving the problem that herbicide and fertilizer are needed to be applied for twice or a plurality of times under the conditions of the prior art. The medicine fertilizer of the invention effectively guarantees the scientific release of pesticides and fertilizers, prolongs the effective period of products, ensures the double effects of weeding and fertilization, has important significance for effective, scientific and reasonable use of resources and protection of environment and has positive boost to the investment reduction of users in agriculture and production and income increase in agriculture.

The invention relates to a weeding composition containing florasulam and pinoxaden. The composition is mainly characterized by containing 1 to 60 percent of florasulam serving as an active ingredient, 1 to 60 percent of pinoxaden, auxiliary agent and other excipient; and the weeding composition can be prepared into wettable powder, water dispersible granules, suspending agent, emulsion, micro emulsion, emulsion in water or the like. The weeding composition is used for preventing and controlling broadleaf weed and gramineous weed in wheat fields.

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.

The invention relates to weed control foliar herbicide compositions in a paddy field, which are three foliar herbicide compositions for eliminating weeds in the paddy field. The three foliar herbicide compositions are the composition of mesotrione and metamifop, the composition of mesotrione and cyhalofop-butyl and the composition of mesotrione and penoxsulam respectively. The single use of the existing herbicide in the paddy field has the limited weed-killing spectrum and can not control all the weeds in the paddy field, and a complex product has poor safety or a narrow using cycle or resistance to the weeds in a water field, thereby limiting the popularization and the applications of the complex product. The three herbicide compositions provided by the invention can overcome the defects and control all the weeds in the paddy field; furthermore, the three herbicide compositions have broader using cycle, no resistance to the weeds in the water field and good safety to paddy rice and succeeding crops.

The invention discloses a weed control compound and a preparation method thereof. The weed control compound is mainly composed of conidium of Curvularia fungus strain QZ-2000 with preservation number CGMCC NO.0640 and a chemical herbicide, wherein the concentration of the conidium is 1-10g/L, and the concentration of the chemical herbicide is 1/20-1/3 of a conventional dosage. The invention adopts that the conidium is compounded with the chemical herbicide; on one hand, conidium dosage is lowered, biological prevention and cure cost is lowered, and the chemical herbicide performs the synergy when compound compared with the situation that only spore is adopted; on the other hand, lowers pollution of chemical herbicide is lowered.

The invention discloses a weeding composition with glufosinate and efficient haloxyfop methyl, and a preparation method of the weeding composition, and belongs to the agricultural field and aim to solve the problems that glufosinate has a poor prevention effect on perennial resistant plants, limitation of prevention and movement for perennial weeds, low weeding effect and high cost with exclusive use because of long-term massive use. The dosage form of the weeding composition is microemulsion and comprises glufosinate and efficient haloxyfop methyl. The ratio by weight of the glufosinate to efficient haloxyfop methyl is 1:5 to 45:1. The weeding composition prepared by the method has the characteristics of wide weeding range, high weeding effect and low cost. The pesticide effect is obviously better than any one of the glufosinate and the efficient haloxyfop methyl. The preparation method is simple and convenient to operate, and has the advantages of high feasibility, stable product quality and obvious market value. The composition still has good stability after being stored for a long time, thereby having obvious market values and being suitable for extensive generalization and use.

The invention relates to a herbicide composition, which contains the following active ingredients in part by weight: 0.5 to 95 parts of cyhalofop-butyl and 0.5 to 95 parts of metamifop. The invention also relates to application of the herbicide composition in preventing and controlling annual and perennial broadleaf weeds and gramineous weeds of paddy fields. The weeding effect of the herbicide composition is remarkably improved compared with a single agent; and the herbicide composition shows extremely good synergistic effect, reduces the consumption of the agents, reduces the influence on the environment at the same time of reducing the medicament cost of peasants, meanwhile, enlarges the weeding spectrum, and can effectively delay the occurrence and development of single agent resistance.

The invention discloses a synergistic herbicidal composition for an uncultivated land and an orchard. The synergistic herbicidal composition consists of glufosinate and dicamba serving as active ingredients and acceptable auxiliary components in pesticides, wherein the weight ratio of the glufosinate to the dicamba is 1:3.2-10:1. After the two active ingredients are compounded, the synergistic herbicidal composition has the herbicide effect obviously superior to that of single glufosinate or single dicamba, has obvious synergism, can control perennial vines, undershrub weeds and broadleaf weeds and also can control annual and biennial weeds; and the herbicidal spectrum is enlarged, the use amount of single glufosinate and single dicamba is reduced, the production cost is reduced, and the herbicidal composition has obvious market popularization value.

The invention provides a cyhalofop-butyl-containing weed oil suspension composition, which comprises the following components: 1 to 15 percent of cyhalofop-butyl, 10 to 30 percent of quinclorac, 1 to 10 percent of emulsifying agent, 2 to 8 percent of wetting dispersing agent, 0.1 to 5 percent of suspension stabilizer, 0 to 5 percent of antifreezing agent, 0 to 0.2 percent of organosilicon defoaming agent and the balance of vegetable oil. The cyhalofop-butyl-containing weed oil suspension composition has the obvious synergistic effect, and the prevention and control effect on weed caper euphorbia seed in a paddy field, such as cockspur grass and the like, is superior to that of a single-dose medicament of the cyhalofop-buty and the quinclorac. The weed oil suspension composition improves the prevention and control effect, enlarges weed control spectra, retards weed resistance and reduces application amount and application cost, and is safe for crops.

The present invention relates to herbicide composition of monosulfuron ester compound as well as its application, which is compounded with two-element or three-element from herbicide monosulfuron ester or its natrium salt (0.1 to 90 percent) as main active component, and other herbicide (0.1 to 85 percent) of ethyl carboxylic fluorine grass ether, Starane, thifensulfuron-methyl, tribenuron-methyl, 2,4D as well as its ramification, Prometrex prometryn, acetochlor, atrazine, triallate, metolachlor, bensulfuron-methyl or 2 armour 4 chlorin natrium etc., and the herbicide composition can be made into breast oil, wettable powder, soluble powder, water emulsion, microemulsion agent, aqua, suspending agent, microcapsule agent or water disperse particle agent by adding proper amount auxiliary agent and carrier accepted in agriculture. The composition can be used to prevent single and double cotyledon weed in wheat, corn and millet field.

The invention discloses a weed controlling compound pesticide composition. The pesticide composition contains such active ingredients as fluroxypyr or esters thereof and topramezone, wherein the weight ratio of fluroxypyr or esters thereof to topramezone is 15: (1-3). The pesticide composition is characterized in that the dosage form of the pesticide composition is wettable powder or water dispersible granules; based on the total weight of the composition, the content of fluroxypyr or esters thereof is 10-70%, the content of topramezone is 2-30% and the content of additives is 10-88%; and theamount of the esters of fluroxypyr is converted into the amount of fluroxypyr. The invention also discloses a preparation method of the wettable powder or water dispersible granules. The pesticide composition is formed by compounding fluroxypyr or esters thereof and topramezone, has low toxicity, wide weed control spectrum, quick effect, good persistence and medium cost, can control broadleaf weeds, annual grass weeds and the like, is a more ideal pesticide variety for controlling weeds in the maize fields and has the advantages of simpleness in production, convenience and safety in use, zeroenvironmental pollution and the like.

The invention relates to a herbicide composition, which contains the following active ingredients in part by weight: 0.1 to 33 parts of penoxsulam and 0.1 to 99 parts of metamifop. The invention also relates to application of the herbicide composition in preventing and controlling annual and perennial broadleaf weeds and grass weeds in paddy fields. Compared with single agent, the herbicide composition has the advantages that weeding effect is remarkably improved, extremely good synergy is shown, the using amount of agents, influence on the environment, and the agent cost of peasants are reduced; and meanwhile, the herbicide composition enlarges the weeding spectrum and can effectively delay the occurrence and development of single agent resistance.