CN102388894B - Weeding composition - Google Patents
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Abstract
The invention relates to the field of pesticide preparation and discloses a weeding composition. The weeding composition of the invention comprises penoxsulam, cyhalofopbutyl and metamifop in a mass ratio of 1:4-9:5-10. The invention also provides a herbicide using the weeding composition of the invention as an active component. The composition of the invention, together with common adjuvants can be prepared into herbicide in forms of emulsifiable solution, oil suspending agent and wettable powder, etc. The penoxsulam, cyhalofopbutyl and metamifop in the weeding composition expand a herbicide controlling spectrum, can control and kill most weeds in a paddy field, have enhanced control effect on cockspur grass, anuual nutgrass flatsedge and a plurality of broad leaf grasses and have advantages of wide use age, safety to succeeding crops, long effective duration and safety to environment.
Description
Technical field
The present invention relates to the pesticidal preparations field, relate to specifically the Herbicidal combinations that a kind of active component is comprised of penoxsuam, cyhalofop-butyl and metamifop.
Background technology
Paddy rice is one of world's staple food crop, and nearly half population in the world comprises the almost population in whole East Asia and Southeast Asia, and the rice of all take is food, produces and spreads all over each continent except the South Pole.Eighties of last century late period, 4,000 hundred million kilograms of left and right of View of World Rice annual production average out to, approximately 1.45 hundred million hectares of cultivated areas.In China paddy rice, be also most important cereal crops.China's rice growing face accounts for 1/4 of national cereal crops, and annual about more than 3,500 ten thousand hectares, output accounts for over half.No matter cultivated area and output, all rank first in China cereal crops.
The rice field of all rice workspaces of China, always have a large amount of weeds to occur.Paddy rice all has plantation in China various places, and the weeds in paddy field kind is a lot, and various places are because of factor weeds kind differences such as weather, soil.According to statistics, the weeds that national rice field can form harm have more than 200 to plant, wherein the most common, occur general, harm is serious has more than 40 to plant.According to investigations, crop smothering area of (2～5 grades) crop smothering more than medium in national rice field reaches 1546.7 ten thousand hm
2, accounting for more than 46% of total cultivated area, (4～5 grades) area of wherein seriously causing harm is 3,800,000 hm
2, account for more than 11.5% of Monitoring of Paddy Rice Plant Area.Maximum with barnyard grass generation area and harm in these weeds, also have the hazard area utmost point orders of severity such as difformed galingale herb, Monochoria vaginalis, flat stalk Fischer grass, moleplant seed, pondweed, Monochoria korsakowii to take second place, water silk floss, duckweed, Chinese scholartree leaf duckweed, little najas marina, short arrowhead, eel grass, bent grass, Herba Cyperi Glomerati, firefly Lin, water pepper, alternanthera philoxeroides, water three-coloured amaranth, hornwort, Eclipta prostrata, Sculellaria barbata etc. in addition that various places are common.
Along with the development of agricultural cience and farming techniques, one of the applying as the saving of labor, save time of chemical herbicide, cost-effective strong well stimulation.The usage ratio of domestic water paddy chemical weeding agent almost reaches 100%, and its dosage is very large.At present, paddy rice chemical herbicide kind is more, but mostly has various problems, as narrow as weed killer herbicide single dose herbicide spectrum, easily to produce resistance, lasting period short, and the binary Herbicidal combinations use age is narrow, to the uneasy congruent problem of succession crop.Along with rice cropping mode, cropping system constantly change, the crop smothering problem is increasingly severe, and weeds in field is wide in variety, emergence period is long, and density is high, and harm is heavy, selecting safety, chemical herbicide efficient, wide spectrum is the main method of current paddy field weeding, is also the key of guaranteeing that Rice Production gets an abundant harvest.
Summary of the invention
In view of this, purpose of the present invention provides a kind of Herbicidal combinations for paddy field of safe, efficient, wide spectrum.
For realizing purpose of the present invention, the present invention adopts following technical scheme:
A kind of Herbicidal combinations, be comprised of penoxsuam, cyhalofop-butyl and metamifop, and the weight ratio of described penoxsuam, cyhalofop-butyl and metamifop is 1: 4-9: 5-10.
Penoxsuam is to use weed killer herbicide after the seedling of being developed by U.S. Tao Nongke company (Dow AgroSciences), is sulfonylurea herbicide, and it is inhibitor of acetolactate synthetase, works by suppressing acetolactate synthestase (ALS).Penoxsuam is translocated herbicide, through cauline leaf, young shoot and Root Absorption, conducts to meristematic tissue by xylem and phloem, suppresses plant growth, makes the growing point chlorosis, processes the 7-14d terminal bud rubescent, necrosis, 2-4 week plant death.The penoxsuam broad weed-killing spectrum, to the common multiple weeds of paddy field, comprise that barnyard grass, annual nutgrass flatsedge and multiple broadleaved herb all have good preventive effect, and the lasting period reaches 30～60 days, the weeds harm of full season of a drug energy basic controlling, for composing the widest kind by herbicide in weed killer herbicide in current rice field.Penoxsuam is applicable to direct-sowing dry field, water direct seeding field, rice seedling bed and rice transplanting, rice transplanting, the cultivation field of paddy rice, fool proof to paddy rice, to rear stubble also safety.
Cyhalofop-butyl, be the aryloxy carboxylic acid weed killer herbicide of LG-DOW agricultural science company exploitation, is unique kind that paddy rice is had to tight security in fragrant phenoxy phenoxy propionic acid weed killer herbicide.Cyhalofop-butyl has interior suction conductivity, blade and leaf sheath by plant corpus absorb, the phloem conduction, accumulate the meristem zone in plant corpus, suppress acetyl-CoA carboxylase, fatty acid is synthesized and stop, the division of cell can not normally be carried out, it is destroyed that film system etc. contains ester structure, finally causes plant death.In the paddy rice body, cyhalofop-butyl can be degraded to rapidly the diacid state to the acetyl-CoA carboxylase non-activity, paddy rice is had to the safety of height, and in soil and in typical paddy field water either, degraded is rapid because of it, therefore to succession crop safety.Cyhalofop-butyl is mainly used in preventing and kill off grassy weed, efficient to moleplant seed, and the low age barnyard grass is had to certain preventive effect, also can prevent and kill off lady's-grass, Paspalum distichum, green foxtail, eleusine indica, amur foxtail etc., but invalid to sedge weed and broad leaved weed.
Metamifop is the fragrant phenoxy esters of gallic acid weed killer herbicide by the exploitation of Korea S Chemical Engineering Technology research institute, belongs to the ACC enzyme inhibitor, can suppress vegetable fatty acid synthetic.After medication in several days sensitive varieties occur that blade face moves back greenly, suppress growth, some kind 2 weeks after dispenser occur withered, even dead.Metamifop can be fabulous prevent and kill off most of annual gramineous weeds, can effectively prevent and kill off paddy field main weeds such as barnyard grass, moleplant seed, lady's-grass, eleusine indica etc., be mainly used in transplanting and the direct seading rice field.And the metamifop low toxicity, to rice safety, environmentally safe, miscibilty is widely arranged.
Penoxsuam, cyhalofop-butyl are different with the metamifop structure, mechanism of action difference, the Herbicidal combinations be comprised of penoxsuam, cyhalofop-butyl and metamifop has enlarged the herbicide spectrum, can prevent and kill off simultaneously most of weeds of paddy field, barnyard grass, annual nutgrass flatsedge and multiple broadleaved herb preventive effect are strengthened, also have simultaneously wide, long to rear stubble safety, lasting period, environmentally safe advantage of use age.
Different herbicidal activity components are mixed the difference of rear each active component due to composition, structure, physicochemical property, make the synergy between each active component be typically expressed as synergistic effect, summation action or antagonism.So-called synergistic effect is exactly the mutual synergism between different material, and the effect of its generation is greater than the sum total of each composition effect; And the effect that summation action is exactly its generation equals the sum total of each composition effect; Antagonism refers to when two kinds of materials act on living organism, and a kind of material disturbs the effect of another kind of material, or the effect of interfering with an opponent each other, the phenomenon that general effect is descended.
The present invention estimates three kinds of mixed interactions of different activities component of the present invention with reference to Sun Yunpei (Sun Y-P) method, wherein, co-toxicity coefficient obviously is greater than 100 and is synergistic effect, and co-toxicity coefficient is significantly less than 100 and is antagonism, and co-toxicity coefficient=100 are summation action.The present invention is by calculating penoxsuam, cyhalofop-butyl and co-toxicity coefficient after metamifop is mixed, estimate the mixed rear effect of three, the result demonstration, the weight ratio of described penoxsuam, cyhalofop-butyl and metamifop is 1: the co-toxicity coefficient of 4-9: 5-10 all is greater than 100.By the test of outdoor biological activity determination, find, described penoxsuam, cyhalofop-butyl be take weight ratio and be 1 with metamifop: the ratio of 4-9: 5-10 is mixed use and is had the notable synergistic effect.
Preferably, the weight ratio of described penoxsuam, cyhalofop-butyl and metamifop is 1: 5-8: 6-9.
The present invention also provides a kind of weed killer herbicide, and it is made by Herbicidal combinations of the present invention and conventional adjuvant.
Wherein, the percentage by weight that accounts for described weed killer herbicide as preferred Herbicidal combinations of the present invention is 1%～90%, more preferably 10～60%.
Weed killer herbicide of the present invention can be made various formulations by Herbicidal combinations of the present invention and conventional adjuvant as required.Preferably, weed killer herbicide of the present invention is missible oil, oil-suspending agent or wetting powder.
As preferably, described Herbicidal combinations is missible oil, and wherein to account for the percentage by weight of described missible oil be that the percentage by weight that 10-20%, emulsifier account for described missible oil is that 1-30%, surplus are solvent to Herbicidal combinations of the present invention.
Herbicidal combinations of the present invention also is preferably oil-suspending agent, and wherein to account for the percentage by weight of described oil-suspending agent be that percentage by weight that 1-90%, dispersant account for described oil-suspending agent is that percentage by weight that 1-30%, wetting agent account for described oil-suspending agent is that percentage by weight that 1-30%, emulsifier account for described oil-suspending agent is that the percentage by weight that 1-30%, thickener account for described oil-suspending agent is that 0.1-10%, surplus are solvent to Herbicidal combinations of the present invention.
Herbicidal combinations of the present invention also is preferably wetting powder, and wherein to account for the percentage by weight of described wetting powder be that percentage by weight that 1-90%, wetting agent account for described wetting powder is that the percentage by weight that 1-10%, dispersant account for described wetting powder is that 1-10%, surplus are carrier to Herbicidal combinations of the present invention.
Experiment shows, weed killer herbicide of the present invention can be prevented and kill off the serious weeds in paddy field of harm such as the barnyard grass, moleplant seed, lady's-grass, Monochoria vaginalis of paddy field effectively, so the present invention also provides the application of described weed killer herbicide in killing weeds in rice field.
Embodiment
The embodiment of the invention discloses a kind of Herbicidal combinations.Those skilled in the art can use for reference this paper content, suitably improve technological parameter and realize.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the artly, they all are deemed to be included in the present invention.Product of the present invention is described by preferred embodiment, and the related personnel obviously can change product as herein described or suitably change and combination within not breaking away from content of the present invention, spirit and scope, realize and apply the technology of the present invention.
Realize purpose of the present invention, the present invention adopts following technical scheme:
A kind of Herbicidal combinations, be comprised of penoxsuam, cyhalofop-butyl and metamifop, and the weight ratio of described penoxsuam, cyhalofop-butyl and metamifop is 1: 4-9: 5-10.
Preferably, the weight ratio of described penoxsuam, cyhalofop-butyl and metamifop is 1: 5-8: 6-9.
The former medicine of agricultural chemicals is that active component generally can not directly be used, and must process and be mixed with various types of preparations, could use.Therefore the present invention also provides a kind of weed killer herbicide, and it is made by Herbicidal combinations of the present invention and conventional adjuvant.Wherein, the percentage by weight that accounts for described weed killer herbicide as preferred Herbicidal combinations of the present invention is 1%～90%, more preferably 10～60%.
The form of preparation claims formulation, and weed killer herbicide of the present invention can be made various formulations by Herbicidal combinations of the present invention and conventional adjuvant as required, and wherein said adjuvant comprises corresponding carrier, surfactant, dispersant or other agricultural agents.What agricultural chemicals use at present was more is that pulvis, aqua, wetting powder, missible oil, suspending agent, microcapsule suspending agent, water dispersible granules etc. more than ten are planted formulation.Weed killer herbicide of the present invention comprises missible oil, oil-suspending agent or wetting powder.
As preferably, described Herbicidal combinations is missible oil, and wherein to account for the percentage by weight of described missible oil be that the percentage by weight that 10%-20%, emulsifier account for described missible oil is that 1-30%, surplus are solvent to Herbicidal combinations of the present invention.In embodiment, missible oil of the present invention is by 10%-20% active component, emulsifier 6%-10%, and surplus is solvent, is uniformly mixed and obtains, and the performances such as its dispersiveness, stability meet missible oil formulation technical standard.
Herbicidal combinations of the present invention also is preferably oil-suspending agent, and wherein to account for the percentage by weight of described oil-suspending agent be that percentage by weight that 1-90%, dispersant account for described oil-suspending agent is that percentage by weight that 1-30%, wetting agent account for described oil-suspending agent is that percentage by weight that 1-30%, emulsifier account for described oil-suspending agent is that the percentage by weight that 1-30%, thickener account for described oil-suspending agent is that 0.1-10%, surplus are solvent to Herbicidal combinations of the present invention.In embodiment, oil-suspending agent of the present invention is that solvent evenly obtains by 30%-60% active component, 1-30% dispersant, 1-30% wetting agent, 1-30% emulsifier, 0.1-10% thickener, surplus, and the correlated performances such as its dispersiveness, stability all meet the technical standard of missible oil formulation.
Herbicidal combinations of the present invention also is preferably wetting powder, and wherein to account for the percentage by weight of described wetting powder be that percentage by weight that 1-90%, wetting agent account for described wetting powder is that the percentage by weight that 1-10%, dispersant account for described wetting powder is that 1-10%, surplus are carrier to Herbicidal combinations of the present invention.In embodiment, wetting powder of the present invention is by 20-40% active component, 3% wetting agent, 4-5% dispersant, and surplus is carrier, fully mixes, and obtains through pulverizing processing, and fineness meets the spraying requirement, and 98% can pass through 325 orders.
Weed killer herbicide of the present invention can also be made microcapsules, aqueous emulsion, microemulsion and the multiple formulations such as organic clay agent newly developed except above-mentioned formulation as required, to be applied to agricultural production.
Above various preparations solvent, wetting agent, dispersant, emulsifier, thickener, carrier and other auxiliary materials used of preparation is and well known to a person skilled in the art.
Solvent of the present invention comprises aromatic solvent naphtha, toluene, dimethylbenzene, 1-METHYLPYRROLIDONE, N, dinethylformamide, tributyl phosphate, four cyanogen sugar alcohols, dimethyl sulfoxide (DMSO), oxolane, cyclohexanol, cyclohexanone, epoxidized soybean oil, vegetable oil, paraffin oil, lubricating oil or solvent naphtha No. 100, No. 150, No. 180, No. 200 etc. can also be this area other solvents commonly used.
Wetting agent of the present invention is the mixture of lauryl sodium sulfate, dodecyl sodium sulfate, Negel, fatty alcohol polyglycol ether sulphate, fat alcohol polyethylene ether, polyoxyethylene nonylphenol ether, sorbitan fatty acid ester APEO, Fluhyzon formaldehyde condensation products, alkylnaphthalene sulfonate and anionic wetting agent.
Dispersant of the present invention is NNO, sodium lignin sulfonate, calcium lignosulfonate, Sodium Polyacrylate, di-2-ethylhexylphosphine oxide naphthalene sulfonate, alkyl amine group taurate, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products, polyoxyethylene polyoxypropylene block copolymer, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, sodium phosphate trimer, alkylnaphthalene sulfonate condensation polymer.
Emulsifier of the present invention is one or more in agriculture breast 500, agriculture breast 600, Nongru-700, NP series, 0201B, 0203B, 2201, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy ether, polyoxyethylene aliphatic alcohol ether, ethoxy castor oil, PMA, fatty acid polyethylene glycol ester, trilaurin APEO.
Thickener of the present invention is xanthans, polyvinyl alcohol, sodium alginate, diatomite, starch, kaolin, organobentonite.
Carrier of the present invention is one or more in the mixture of kaolin, diatomite, precipitated calcium carbonate, white carbon, concave convex rod, soluble starch, urea, amine fertilizer, glucose, maltose, sucrose, citric acid, Anhydrous potassium carbonate, Carbon Dioxide hydrogen potassium, anhydrous sodium sulfate, anhydrous sodium bicarbonate, natrium carbonicum calcinatum and anhydrous sodium bicarbonate.
In order further to understand the present invention, the present invention is described in detail below in conjunction with embodiment.
Embodiment 1: the efficiency test of Herbicidal combinations of the present invention to weeds
Test is to take respectively the former medicine of 99% penoxsuam (A), 95% cyhalofop-butyl active compound (B) and the former medicine of 96% metamifop (C) to be active ingredient, adds the formulated missible oil of appropriate amount of addition agent, test process and formulation rate in Table 1.
Table 1 test is processed and formulation rate
| Process | Reagent agent | Formulation rate (active constituent content, g/ hectare) |
| 1 | A | 15 |
| 2 | B | 95 |
| 3 | C | 105 |
| 4 | A+B | 10+70 |
| 5 | A+C | 10+80 |
| 6 | B+C | 70+80 |
| 7 | A+B+C | 5+40+25 |
| 8 | A+B+C | 5+20+50 |
| 9 | A+B+C | 5+40+45 |
| 10 | A+B+C | 5+25+35 |
| 11 | A+B+C | 5+35+40 |
| 12 | Clear water | 0 |
Wherein, every processing repeats for 4 times, and the community area is 20m
2, random district group is arranged, and the medicament clear water of each processing dissolves, and medication in 20 days, drain water in field before dispenser after rice growing, and after dispenser, the 24h field of pouring water back, kept water layer 3～4 days, and each processes water consumption is the 600kg/ hectare, and the employing sprayer evenly sprays.After dispenser, 30 days statistics weed density preventive effects are surveyed weeds fresh weight preventive effect simultaneously, and statistics is in Table 2.
The preventive effect (%) of table 2 Herbicidal combinations of the present invention to weeds
As seen from the results in Table 2, the active ingredient penoxsuam, cyhalofop-butyl with after metamifop is composite with alone or composite comparing in twos separately, preventive effect is higher than penoxsuam, the single use of cyhalofop-butyl or metamifop and composite in twos, and enlarge the herbicide spectrum, can effectively prevent and kill off barnyard grass, moleplant seed, lady's-grass, the broad leaved weeds such as Monochoria vaginalis, and preventive effect is higher than single use penoxsuam, cyhalofop-butyl or metamifop and penoxsuam and cyhalofop-butyl, penoxsuam and metamifop or cyhalofop-butyl and metamifop are composite, show that Herbicidal combinations active component of the present invention is without antagonism, and improved preventive effect, dosage and types of medicines have been reduced, number of times.
Embodiment 2:20% penoxsuam cyhalofop-butyl metamifop wetting powder
Penoxsuam 1%, cyhalofop-butyl 9%, metamifop 10%, dodecyl sodium sulfate 3%, sodium lignin sulfonate 4%, kaolin complement to 100%, fully mix, after crushed, namely obtain 20% penoxsuam cyhalofop-butyl metamifop wetting powder.
The weed killer herbicide that weed killer herbicide prepared by the present embodiment and penoxsuam, cyhalofop-butyl or metamifop single-activity composition are made and wherein two kinds of composite weed killer herbicides contrasts of making of active component, take each active component consumption is criterion calculation, each active component consumption in described weed killer herbicide is less than under the prerequisite of each single dose or built reactive composition consumption, its preventive effect is higher than single dose and two kinds of preventive effects that single dose is composite, can effectively prevent and kill off most of weeds of paddy field, barnyard grass, annual nutgrass flatsedge and multiple broadleaved herb preventive effect are strengthened.
Embodiment 3:36% penoxsuam cyhalofop-butyl metamifop wetting powder
Penoxsuam 3%, cyhalofop-butyl 15%, metamifop 18%, lauryl sodium sulfate 3%, NNO 5%, precipitated calcium carbonate complement to 100%, fully mix, after crushed, namely obtain 36% penoxsuam cyhalofop-butyl metamifop wetting powder.
The weed killer herbicide that weed killer herbicide prepared by the present embodiment and penoxsuam, cyhalofop-butyl or metamifop single-activity composition are made and wherein two kinds of composite weed killer herbicides contrasts of making of active component, take each active component consumption is criterion calculation, each active component consumption in described weed killer herbicide is less than under the prerequisite of each single dose or built reactive composition consumption, its preventive effect is higher than single dose and two kinds of preventive effects that single dose is composite, can effectively prevent and kill off most of weeds of paddy field, barnyard grass, annual nutgrass flatsedge and multiple broadleaved herb preventive effect are strengthened.
Embodiment 4:56% penoxsuam cyhalofop-butyl metamifop oil-suspending agent
Penoxsuam 4%, cyhalofop-butyl 20%, metamifop 32%, fat alcohol polyethylene ether 5%, carboxymethyl cellulose 8%, 0201B10%, starch 6%, plant soybean oil complement to 100%, through fully mixed dissolution grinding, namely obtain 56% penoxsuam cyhalofop-butyl metamifop oil-suspending agent.
The weed killer herbicide that weed killer herbicide prepared by the present embodiment and penoxsuam, cyhalofop-butyl or metamifop single-activity composition are made and wherein two kinds of composite weed killer herbicides contrasts of making of active component, take each active component consumption is criterion calculation, each active component consumption in described weed killer herbicide is less than under the prerequisite of each single dose or built reactive composition consumption, its preventive effect is higher than single dose and two kinds of preventive effects that single dose is composite, can effectively prevent and kill off most of weeds of paddy field, barnyard grass, annual nutgrass flatsedge and multiple broadleaved herb preventive effect are strengthened.
Embodiment 5:32% penoxsuam cyhalofop-butyl metamifop oil-suspending agent
Penoxsuam 2%, cyhalofop-butyl 12%, metamifop 18%, fatty alcohol-polyoxyethylene ether 10%, NNO 8%, castor oil polyoxyethylene ether 15%, paraffin oil complement to 100%, through fully mixed dissolution grinding, namely obtain 64% penoxsuam cyhalofop-butyl metamifop oil-suspending agent.
The weed killer herbicide that weed killer herbicide prepared by the present embodiment and penoxsuam, cyhalofop-butyl or metamifop single-activity composition are made and wherein two kinds of composite weed killer herbicides contrasts of making of active component, take each active component consumption is criterion calculation, each active component consumption in described weed killer herbicide is less than under the prerequisite of each single dose or built reactive composition consumption, its preventive effect is higher than single dose and two kinds of preventive effects that single dose is composite, can effectively prevent and kill off most of weeds of paddy field, barnyard grass, annual nutgrass flatsedge and multiple broadleaved herb preventive effect are strengthened.
Embodiment 6:10% penoxsuam cyhalofop-butyl metamifop missible oil
Penoxsuam 1%, cyhalofop-butyl 4%, metamifop 5%, agriculture breast 5006%, solvent naphtha supply 100% No. 200, through abundant mixed dissolution, namely obtain 10% penoxsuam cyhalofop-butyl metamifop missible oil.
The weed killer herbicide that weed killer herbicide prepared by the present embodiment and penoxsuam, cyhalofop-butyl or metamifop single-activity composition are made and wherein two kinds of composite weed killer herbicides contrasts of making of active component, take each active component consumption is criterion calculation, each active component consumption in described weed killer herbicide is less than under the prerequisite of each single dose or built reactive composition consumption, its preventive effect is higher than single dose and two kinds of preventive effects that single dose is composite, can effectively prevent and kill off most of weeds of paddy field, barnyard grass, annual nutgrass flatsedge and multiple broadleaved herb preventive effect are strengthened.
Embodiment 7:18% penoxsuam cyhalofop-butyl metamifop missible oil
Penoxsuam 1%, cyhalofop-butyl 9%, metamifop 8%, 0203B 8%, epoxidized soybean oil complement to 100%, through abundant mixed dissolution, namely obtain 18% penoxsuam cyhalofop-butyl metamifop missible oil.
The weed killer herbicide that weed killer herbicide prepared by the present embodiment and penoxsuam, cyhalofop-butyl or metamifop single-activity composition are made and wherein two kinds of composite weed killer herbicides contrasts of making of active component, take each active component consumption is criterion calculation, each active component consumption in described weed killer herbicide is less than under the prerequisite of each single dose or built reactive composition consumption, its preventive effect is higher than single dose and two kinds of preventive effects that single dose is composite, can effectively prevent and kill off most of weeds of paddy field, barnyard grass, annual nutgrass flatsedge and multiple broadleaved herb preventive effect are strengthened.
The explanation of above embodiment is just be used to helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (9)
1. a Herbicidal combinations, is characterized in that, is comprised of penoxsuam, cyhalofop-butyl and metamifop, and the weight ratio of described penoxsuam, cyhalofop-butyl and metamifop is 1: 4-9: 5-10.
2. composition according to claim 1, is characterized in that, the weight ratio of described penoxsuam, cyhalofop-butyl and metamifop is 1: 5-8: 6-9.
3. a weed killer herbicide, is characterized in that, made by the described Herbicidal combinations of claim 1 and conventional adjuvant.
4. weed killer herbicide according to claim 3, is characterized in that, the percentage by weight that described Herbicidal combinations accounts for described weed killer herbicide is 1～90%.
5. weed killer herbicide according to claim 3, is characterized in that, it is missible oil, oil-suspending agent or wetting powder.
6. weed killer herbicide according to claim 5, is characterized in that, it is missible oil, and the percentage by weight that wherein said Herbicidal combinations accounts for described missible oil is that the percentage by weight that 1-90%, emulsifier account for described missible oil is that 1-30%, surplus are solvent.
7. weed killer herbicide according to claim 5, it is characterized in that, it is oil-suspending agent, and the percentage by weight that wherein said Herbicidal combinations accounts for described oil-suspending agent is that percentage by weight that 1-90%, dispersant account for described oil-suspending agent is that percentage by weight that 1-30%, wetting agent account for described oil-suspending agent is that percentage by weight that 1-30%, emulsifier account for described oil-suspending agent is that the percentage by weight that 1-30%, thickener account for described oil-suspending agent is that 0.1-10%, surplus are solvent.
8. weed killer herbicide according to claim 5, it is characterized in that, it is wetting powder, and the percentage by weight that wherein said Herbicidal combinations accounts for described wetting powder is that percentage by weight that 1-90%, wetting agent account for described wetting powder is that the percentage by weight that 1-10%, dispersant account for described wetting powder is that 1-10%, surplus are carrier.
9. the application of the described weed killer herbicide of claim 3～8 any one in killing weeds in rice field.
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Families Citing this family (5)
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| CN103583531A (en) * | 2013-10-14 | 2014-02-19 | 广东中迅农科股份有限公司 | Weeding composition for preventing and removing grassy weeds of paddy field |
| CN104472512B (en) * | 2014-11-25 | 2017-11-28 | 广东中迅农科股份有限公司 | Herbicide for paddy field |
| CN104585205B (en) * | 2014-12-24 | 2018-06-19 | 广东中迅农科股份有限公司 | Containing have metamifop and cyhalofop-butyl and halosulfuronmethyl except herbal-composition |
| CN108684672A (en) * | 2018-06-07 | 2018-10-23 | 合肥喜田生物科技有限公司 | A kind of mixed herbicide and its application of the metamifops of, containing cyhalofop-butyl and florasulam |
| CN115104606B (en) * | 2022-07-29 | 2024-03-01 | 合肥星宇化学有限责任公司 | Synergistic weeding composition containing cymene for paddy field and preparation |
-
2011
- 2011-12-16 CN CN2011104267959A patent/CN102388894B/en active Active
Non-Patent Citations (6)
| Title |
|---|
| "口恶唑酰草胺WP 对水稻直播田禾本科杂草的防效";朱文达等;《杂草科学》;20110925;第29卷(第3期);第62-64页 * |
| "防除直播稻田杂草的除草剂应用及水浆管理";程勤海等;《杂草科学》;20110925;第29卷(第3期);第74页第1.4节 * |
| "韩秋好混配其它药剂防除水稻直播田杂草试验";顾国伟等;《浙江农业科学》;20100211;第143-144页 * |
| 朱文达等."口恶唑酰草胺WP 对水稻直播田禾本科杂草的防效".《杂草科学》.2011,第29卷(第3期),第62-64页. |
| 程勤海等."防除直播稻田杂草的除草剂应用及水浆管理".《杂草科学》.2011,第29卷(第3期),第74页第1.4节. |
| 顾国伟等."韩秋好混配其它药剂防除水稻直播田杂草试验".《浙江农业科学》.2010,第143-144页. |
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| CN102388894A (en) | 2012-03-28 |
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