46results about How to "Tackle weed problems" patented technology

The invention relates to a weeding composition for a rice direct-seeding field. The weeding composition comprises active components such as pretilachlor, pyrazosulfuron-ethyl and clomazone. The weeding composition for the rice direct-seeding field has the advantages that after the pretilachlor, the pyrazosulfuron-ethyl and the clomazone are compounded, the weeding effect can be improved, the weed-controlling spectrum is broadened, the toxicity and the residue rate are low, and the usage amount, the usage time and the service cost are obviously reduced, the effect is obviously higher than that of a single weeding agent. The weeding composition is a novel composition agent for the prevention and treatment of annual weeds in rice direct-seeding fields.

The invention relates to a herbicide composition containing flucarbazone and pinoxaden and an application thereof. The mass ratio of flucarbazone to pinoxaden, the active ingredients of the pesticide composition, is (0.5-5) to (1-40). The pesticide composition has the advantages that the pesticide composition shows obvious synergistic effects in the ratio range, thus reducing the dosage of pesticides, the number of pesticide use, the pesticide use cost and the adverse impacts of the pesticides on the ecological environment; as the weed control spectrum is expanded, the problems of grassy weeds and part of broadleaf weeds in wheat fields are solved by using the pesticides once, thus making up for the defects and limitation during single agent use; the service life of the agent is prolonged, which is of important significance to comprehensive treatment of the resistance of the weeds; the pesticide composition takes effect quickly, has long duration, is low in use cost and can be used for controlling the grassy weeds and part of broadleaf weeds in the wheat fields.

The present invention discloses a pesticide composition containing picloram or picloram salt, and application of the pesticide composition containing the picloram or the picloram salt. The pesticide composition comprises effective ingredients of a component I and a composition II, wherein the component I is the picloram or the picloram salt; the composition II comprises tribenuron-methyl, bensulfuron methyl, thifensulfuron methyl, bispyribac-sodium or thiencarbazone-methyl; the mass ratio of the component I to the composition II is (1:50)-(25:1). The present invention also discloses a preparation prepared from the pesticide composition and suitable for being used in agriculture, and application of the preparation in preventing and killing of broadleaf weeds in wheat fields. The pesticide composition containing the picloram or the picloram salt has an obvious synergistic effect, reduces use amount of pesticides, the use times of the pesticides, the use cost of the pesticides, and adverse effects of the pesticides on ecological environments, enlarges weeding range, can solve a problem of various broadleaf weeds by one-time pesticide applying, makes up for defects and limitation caused by use of single agents, prolongs the service life of agents, and has important significance on comprehensive treatment of weed resistance; and the pesticide composition is fast in effect acting, long in effect period, and low in use cost, and has wide development and popularization prospects.

The invention belongs to the planting method field of rapid restoration of perennial vegetation in a wind sand ground, and discloses a method for quickly planting grass-legume mixed sowing grassland in the wind sand ground of a Mongolia and Liaoning agro-pastoral transition zone. According to the method, the problems of vegetation degradation, grassland productivity decline and low forage grass quality are solved through adding spatial distribution uniformity of Chinese wildrye and an alfalfa, and the seed seeding rate. The method includes the steps that 1, ground is leveled and weeds are cut; 2, seeds are sowed, specifically, the mass radio between the Chinese wildrye and the alfalfa is 7:1, and then the seeds are mixed and then planted in rows by dividing furrows; and 3, administrationand management are conducted, specially, watering is conducted on a seedling stage, and harvesting is conducted before the middle of August. The method of quickly planting the grass-legume mixed sowing grassland in the wind sand ground of the Mongolia and Liaoning agro-pastoral transition zone has the advantages that seedling mucking earth rate, the settlement rate and the resume growth rate are increased, the cost is low, a planting period is short, popularization is easy and the like; and soil fertility can be added, the weeds are controlled, the yield and quality of pastures are increased,and degradation vegetation in the wind sand ground can be recovered quickly.

The invention discloses an herbicide composition containing isoproturon, pretilachlor and diflufenican and a use thereof. Active components of the herbicide composition comprise isoproturon, pretilachlor and diflufenican. A mass ratio of isoproturon, pretilachlor to diflufenican is 10-50: 10-50: 1-20. The herbicide composition has obvious synergism in the above ratio range, reduces an herbicide use amount, reduces herbicide use frequency, reduces an herbicide use cost, reduces the unfavorable influence produced by the herbicide on an ecological environment and enlarges a weeding spectrum. Through one herbicide use step, various weed problems are solved and defects and limitation of single-ingredient herbicide use are overcome. The herbicide composition prolongs a service life and has an important meaning for comprehensive control of weed resistance. The herbicide composition can fast produce effects for a long time, has a low use cost and can be used for preventing and controlling gramineous weeds, broadleaf weeds and cyperaceae weeds in a paddy field and gramineous weeds and broadleaf weeds in a wheat or barley field.

The invention discloses a paddy field weeding composition. The paddy field weeding composition is prepared from the following effective components in weight percentage: 1-10% of bensulfuron methyl, 1-10% of penoxsulam and 1-15% of cyhalofop-butyl, as well as the balance being pesticide adjuvants. The paddy field weeding composition disclosed by the invention has the advantages that after the bensulfuron methyl, the penoxsulam and the cyhalofop-butyl are compounded, a weeding effect is improved and a herbicide controlling spectrum is amplified; the toxin is low and the residue is low; the dosage, the medicine use times and the use cost are obviously reduced; and the effect of the composition is obviously higher than that of each single dosage and the composition is a current novel composition medicament which has good effect on preventing and treating annual weeds of a paddy field.

The invention discloses a pesticide composition containing metamitron, desmedipham and phenmedipham, and application thereof. The pesticide composition comprises active components of the metamitron, the desmedipham and the phenmedipham in the weight ratio of is 10-300 to 2-30 to 2-30. The pesticide composition has a remarkable synergistic effect within the proportion range, the preventing and removing effects are obviously improved by compared with those of the single agent, the dosage, the medication times and the medication cost of the pesticide are reduced, and advertise influences of the pesticide on the ecological environment are reduced. The pesticide composition can effectively prevent grassy weed and broadleaf weed in the beet field, in particular for weeds such as echinochloa crusgalli, chenopodium glaucum and nightshade, can prolong the service life of the pesticide and has an important significance in comprehensive treatment on weed resistance.

The invention discloses a paddy field herbicidal composition containing fenoxsulam and fenoxuranil. The active ingredients are fenfentrazone and fenfenapyr, and the weight parts of fenfentrazone and fenfenapyr The number ratio is 10:1 to 1:10, and the weight percentage of the sum of the weights of flufenoxsulam and pyraclonil in the composition is 5%-80%. The herbicidal composition of the invention is suitable for preventing and controlling annual weeds in paddy fields, the control effect is obviously improved compared with that of a single agent, the dosage of pesticides is reduced, and the adverse effects of pesticides on the ecological environment are reduced; comprehensive management of weed resistance It is of great significance and has huge economic and social benefits.

The invention discloses a monosulfuron-clodinafop-propargyl ester weeding composition. The monosulfuron-clodinafop-propargyl ester weeding composition comprises monosulfuron and clodinafop-propargyl ester as active components and the balance a pesticide assistant. A mass part ratio of monosulfuron to clodinafop-propargyl ester is in a range of 1: 5 to 5: 1, and the total mass of monosulfuron and clodinafop-propargyl ester is 5-60% that of the monosulfuron-clodinafop-propargyl ester weeding composition. According to application demands, the monosulfuron-clodinafop-propargyl ester weeding composition can be processed to form a dispersible oil suspending agent, a suspending agent, wettable powder or water dispersible granules, can be used for preventing and removing gramineous weeds and broadleaved weeds in the wheat field, has weed prevention and removal effects obviously superior to those of various single-component agents, reduces a herbicide use amount and delays herbicide resistance of weeds.

The invention discloses a pesticide composition containing tembotrions, nicosulfuron and a pyridyloxyacetic acid herbicide. The effective components are the tembotrions, the nicosulfuron and the pyridyloxyacetic acid (or the ester compound of the pyridyloxyacetic acid). The weight percentage of the tembotrions in the herbicide is 1%-30%, the weight percentage of the nicosulfuron in the herbicide is 1%-30%, the weight percentage of the pyridyloxyacetic acid (or the ester compound of the pyridyloxyacetic acid) in the herbicide is 1%-40%, and the balance is pesticide adjuvants. The pesticide composition has the advantages that the weeding effect is improved after the tembotrions, the nicosulfuron and the pyridyloxyacetic acid (or the ester compound of the pyridyloxyacetic acid) are compounded, a weeding spectrum is widened, the pesticide composition is low in toxicity and low in residue content, the dosage, the application frequency and the using cost are remarkably reduced, the effect of the composition is obviously higher than those of mono-agents, and the pesticide composition is a novel better composition pesticide for preventing and removing annual weed in corn fields.

The invention relates to a herbicidal composition containing propyrisulfuron, cyhalofop-butyl and fenoxaprop-P-ethyl. The herbicidal composition contains active ingredients of propyrisulfuron, cyhalofop-butyl and fenoxaprop-P-ethyl, wherein the percentage by weight of propyrisulfuron in the herbicidal composition is 0.1%-30%, the percentage by weight of cyhalofop-butyl in the herbicidal composition is 0.1%-40%, and the percentage by weight of fenoxaprop-P-ethyl in the herbicidal composition is 0.1%-20%. The herbicidal composition provided by the invention has a synergistic effect, the effect of controlling annual weeds in a paddy rice field is obviously better than the effect when a respective agent is used alone, the herbicide controlling spectrum is expanded, the dosage is simultaneously reduced, the production of drug resistance of the weeds is delayed, and the environmental pollution is reduced.

The invention discloses a pesticide combination containing bispyribac-sodium and diflufenican and application of the pesticide combination. The bispyribac-sodium and the diflufenican serve as effective components of the pesticide combination; the mass ratio of the bispyribac-sodium to the diflufenican is 1:30-30:1. The pesticide combination achieves an obvious synergism effect within a certain proportion range, the using amount of pesticides, drug use frequency, and the drug use cost are lowered, and an adverse effect of the pesticides on an ecological environment is also alleviated. The weed control spectrum is expanded; due to one-time drug use, various weed problems are solved, and shortcomings and the limitation caused by the use of a single dosage are overcome. The service life of the pesticide combination is prolonged, and the pesticide combination has a great significance for comprehensive treatment of the resistance of weeds. The pesticide effect can be achieved quickly; the lasting period is long; the use cost is low; the pesticide combination can be used for preventing and treating barnyard grasses in rice seedling beds with seedlings transplanted by a rice seeder and other graminaceous weeds as well as treating most broad-leaved weeds and some cyperaceae weeds.