CN101911947A - Wheatfield herbicide composition - Google Patents
Wheatfield herbicide composition Download PDFInfo
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- CN101911947A CN101911947A CN 201010210202 CN201010210202A CN101911947A CN 101911947 A CN101911947 A CN 101911947A CN 201010210202 CN201010210202 CN 201010210202 CN 201010210202 A CN201010210202 A CN 201010210202A CN 101911947 A CN101911947 A CN 101911947A
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- fluroxypyr
- methyl
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Abstract
The invention discloses a herbicide composition for preventing and killing off farmland weeds and application thereof, and in particular relates to a herbicide for preventing and controlling broadleaf weeds in the wheatfield. The herbicide composition is a triplet herbicide mixture consisting of carfentrazone-ethyl serving as a first active ingredient, tribenuron-methyl or thifensulfuron-methyl serving as a second active ingredient and fluroxypyr serving as a third active ingredient. The weight ratio of the first active ingredient to the second active ingredient to the third active ingredient in the composition is (1-16) to (2-32) to (8-128), and preferably (1-10) to (2-10) to (10-30); and the composition can be prepared into agriculturally allowable formulations such as wettable powder, water dispersible granules and dispersible oil suspending agents in practical application. The composition has the advantages of expanding the weed prevention and control spectrum, reducing the herbicide application frequency, reducing the prevention and control cost, slowing down the production of herbicide resistance of the weeds and meeting the requirement on safety of pesticide formulations, along with reasonable components, good weed control effect and high crop safety.
Description
Technical field
The present invention relates to a kind of wheat paddock Herbicidal combinations, be specifically related to a kind of herbicidal composition that is used to prevent and treat broad leaved weed between wheat paddock, it is by the first active component azoles humulone, second active component tribenuron-methyl or the thifensulfuronmethyl, and the 3rd active component fluroxypyr is formed.
Background technology
The English common name carfentrazone-ethyl of azoles humulone, molecular formula C
15H
14Cl
2F
3N
3O
3, chemical name ethyl-2-chloro-3-{2-chloro-5-[4-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxygen-1H-1,2,4-triazol-1-yl]-the 4-fluorophenyl } ethyl propionate.The azoles humulone is by suppressing the protoporphyrin oxidase, thereby makes the film division, uses on cereal crop, is used for leaf surface treatment behind the seedling, and responsive broad leaved weed conduction is obstructed and very fast withered death.It is fast to kill careless speed, sprays in back 15 minutes to be absorbed by plant leaf blade, occurs poisoning symptom, death in 2～4 days in 3～4 hours.To cereal crop safety such as wheat, corns, to having special efficacy in long-term weeds of using sulfonylureas weed killer herbicide area to develop immunity to drugs, to succession crop safety, but single agent use cost height, improper as administrated method, the too high meeting of dosage increases the poisoning occurrence probability, increases the weight of symptom of chemical damage, and the wheat weeds in field has the trend that strengthens gradually to azoles humulone resistance, big grass is not killed root, easily recurrence.
The English common name tribenuron-methyl of tribenuron-methyl, molecular formula C
15H
17N
5O
6S, chemical name 2-[4-methoxyl group-6-methyl isophthalic acid, 3,5-triazine-2-base (methyl) carbamyl amino-sulfonyl] benzoic acid or methyl esters.Tribenuron-methyl is a selective herbicide behind the sulfonylurea inner sucting conduction type bud.Can be after cauline leaf is handled by the root absorption of weeds cauline leaf, and conduction in vivo, by hindering acetolactate synthestase, the biosynthesis of valine, isoleucine is suppressed, stop cell division, cause weeds death.Broadleaf weed chickweed, shepherd's purse, conical silene herb, corn gromwell, ion grass, clearvers, Hairy Bittercress, Stellaria alsine Grim., volume stem knotweed etc. are to the tribenuron-methyl sensitivity, medium sensitivities such as wartwort, Veronica.Observed weeds in 10-14 days after the dispenser and be subjected to the severe inhibition effect, lobus cardiacus moves back green necrosis gradually, and blade moves back green, and generally whole gradually strain in 30 days is withered behind the winter wheat medicine, and dead plant strain growth is suppressed, and acts on slower.Anti-heterodynes such as field bindweed, Commelina communis, acalypha copperleaf, Armstrong, field thistle strengthen with dosage rising inhibitory action.Cereal crop has good drug resistance to tribenuron-methyl.
The English common name thifensulfuron-methyl of thifensulfuronmethyl, other Chinese name thiameturonmethyl, thifensulfuron methyl, molecular formula C
12H
13N
5O
6S
2, chemical name 3-(4-methoxyl group-6-methyl isophthalic acid, 3,5-triazine-2-base carbamyl amino-sulfonyl) thiophene-2-carboxylic acid.Thifensulfuronmethyl is the bud post processing, and sensitive plant almost stops growing immediately and be dead in 7-21 days.Add that surfactant can improve the activity of thifensulfuron methyl to broad leaved weed.Under effective dose, crops such as winter wheat, spring wheat, hard wheat, barley and oat have tolerance to this agent.Because this agent can be sowed second stubble crop in back 30 days in processing rapidly by microbial decomposition under the aerobic conditions in soil.This product belongs to selectivity inner sucting conduction type sulfonylurea herbicide, is the side chain amino acid synthetic inhibitor.Broad leaved weed absorbs rapidly and transfers to the body inner meristem through blade face and root system, suppresses the biosynthesis of valine and different bright acid, thereby stops cell division, reaches the purpose of cutting weeds extremely.
The English common name fluroxypyr of fluroxypyr, other Chinese name fluroxypyr, the fluorine grass is fixed, molecular formula C
15H
21Cl
2FN
2O
3, chemical name 4-amino-3,5-two chloro-6-fluoro-pyridine-2-pyridine fluoroacetic acid.Fluroxypyr is the inner sucting conduction type herbicide after seedling.Very fast behind the medicine by plant absorbing, make sensitive plant the reaction of typical hormone herbicide, plant deformity, distortion occur.In drug resistance plant such as wheat body, the fluorine grass can be combined into conjugates surely and lose toxicity, thereby has selectivity.Temperature does not have influence to the final effect of its weeding, but influences the speed of its drug effect performance.Generally the drug effect performance is slower when temperature is low, stop growing after can making dunsiekte, but dead immediately; The very fast death of plant after temperature raises.Leaching is not remarkable in soil, and major part is distributed in 0～10 centimetre of topsoil, under the condition of aerobic, is degraded into non-poisonous materials such as 2-pyridine alcohol very soon in the effect of edaphon, in soil the half life period shorter, can not exert an influence to a following batch broad leaf crop.
In actual use, the azoles humulone has the better prevention effect to the most of broad leaved weeds between wheat paddock, it is fast to kill careless speed, low active weeds in sulfonylurea herbicide such as tribenuron-methyl or the thifensulfuronmethyl there is effect preferably, but exist big grass is not killed root, easily recurrence, single agent use cost height, wheat weeds in field have the trend that strengthens gradually to azoles humulone resistance; Tribenuron-methyl and thifensulfuronmethyl are as a kind of sulfonylurea wheat paddock weed killer herbicide commonly used, and effective to multiple broadleaved herb, price is low, and safety is good, but exist because the resistance problem usage amount increases year by year, to low defectives of part broad leaved weed preventive effect such as clearvers, wartwort; Fluroxypyr has preventive effect preferably to broad leaved weed between wheat paddock, comprise the clearvers, wartwort of the anti-heterodyne of tribenuron-methyl etc., because of it has the interior conductivity of inhaling, big grass had Gent point extremely, be difficult for recurrence, safety is good, but exists single agent use cost higher, kills careless speed when temperature is low and waits defective slowly.Therefore, azoles humulone, tribenuron-methyl or thifensulfuronmethyl and fluroxypyr rationally are mixed, have remarkable synergy, enlarge the control of weeds spectrum, reduce spraying times, reduce the control cost, slow down the effect that the weeds resistance produces.
Summary of the invention
The object of the present invention is to provide a kind of component reasonable, herbicidal effect is good, and significantly synergy, control of weeds are composed wide, and spraying times is few, and drug cost is low, the herbicide composition for wheat field that is difficult for developing immunity to drugs.
Another object of the present invention is to provide above-mentioned composition to be used for preventing and kill off the application of broad leaved weed between wheat paddock.
In order to overcome the defective of existing unitary agent, technical scheme of the present invention is to solve like this:
The present invention contains the first active component azoles humulone, second active component tribenuron-methyl or the thifensulfuronmethyl, and the 3rd active component fluroxypyr, wherein weight ratio is (1～16) between first active component, second active component and the 3rd active component three: (2～32): (8～128), preferably (1～10): (2～10): (10～30).The cumulant of first active component, second active component and the 3rd active component (weight add and) is preferably 10%～40% for 5%～60% of described composition total weight.
According to method known in those skilled in the art, but the preparation formulation that herbicide composition for wheat field of the present invention can be prepared is wetting powder, water dispersible granules dispersed oil suspending agent.
For water dispersible granules, those skilled in the art are familiar with the use corresponding adjuvants and finish the present invention very much.Dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, alkylphenol polyoxyethylene, EO/PO block polyether; Wetting agent is selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate, sodium lignin sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene; Disintegrant is selected from ammonium sulfate, sodium sulphate, sodium chloride, ammonium chloride, urea, sucrose, glucose, carboxymethyl cellulose, soluble starch, polyvinylpyrrolidone; Binding agent is selected from polyvinyl alcohol, soluble starch, dextrin, xanthans, carboxymethyl (ethyl) cellulose family; Filler is selected from diatomite, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, potter's clay.
To wetting powder, spendable auxiliary agent has: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate; Wetting agent is selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate; Filler is selected from ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, potter's clay.
But to the dispersed oil suspending agent, spendable auxiliary agent has: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), TERSPERSE 2425 (U.S. Huntsman Corporation produces, the alkyl naphthalene sulfonic acid salt); Emulsifier is selected from the serial emulsifier (BY-110 of BY (castor oil polyoxyethylene ether), BY-125, BY-140), Nongru-700 # (common name: alkyl phenol formaldehyde resin polyoxyethylene ether), farming breast 2201, this dish-60# (common name: sorbitan monostearate), Tween-60 # (common name: the sorbitan monostearate APEO), the newborn 1601# of farming (common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), TERSPERSE 4894 (U.S. Huntsman Corporation product); Wetting agent is selected from alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500 (U.S. Huntsman Corporation product); Thickener is selected from white carbon, polyvinyl alcohol, bentonite, aluminium-magnesium silicate; Antifreezing agent is selected from ethylene glycol, propane diols, glycerine, urea, inorganic salts (as sodium chloride); Stabilizing agent is selected from epoxidized soybean oil, epoxychloropropane, triphenyl phosphate; Dispersion medium is selected from soybean oil, rapeseed oil, corn oil, methyl oleate, diesel oil, machine oil, mineral oil.
Component of the present invention is reasonable, and herbicidal effect is good, and synergy is remarkable, has enlarged the control of weeds spectrum, has reduced spraying times, has reduced the control cost, slows down the generation of weeds resistance, and is good to crop safety, meets the security requirement of pesticidal preparations.The present invention has outstanding control efficiency to broad leaved weed between wheat paddock.
Embodiment
In order to prevent and kill off the wheat paddock weeds in the agricultural production, the inventor has carried out mutual composite synergy research with effective active compositions such as azoles humulone, tribenuron-methyl/thifensulfuronmethyl, fluroxypyrs.The indoor pot method is carried out cauline leaf and is handled test reference " agricultural chemicals indoor bioassay test rule weed killer herbicide the 4th part ".
1.1 reagent agent
The former medicine of former medicine 95% thifensulfuronmethyl of 95% tribenuron-methyl
The former medicine of the former medicine 90% azoles humulone of 95% fluroxypyr
1.2 for the examination weeds
Chickweed Stellaria media clearvers Galium aparine
Wartwort Sun Euphorbia Herb
1.3 experimental scheme
29 processing are established in this test altogether, wherein the azoles humulone establishes 0.375,0.75,1.5,3,5 dosage of 6 gram/hectares are handled, tribenuron-methyl (thifensulfuronmethyl) establishes 0.75,1.5,3.0,6,5 dosage of 12 gram/hectares are handled, fluroxypyr establishes 3,6,12,24,5 dosage of 48 gram/hectares are handled, azoles humulone+tribenuron-methyl (thifensulfuronmethyl)+fluroxypyr three uses with and sets up 0.375+0.75+3 separately, 0.75+3+12,0.75+6+24,0.75+12+48,1.5+1.5+12,1.5+3+24,1.5+6+48,3.0+1.5+24,3.0+3+48,3.0+12+6,6.0+1.5+48,6.0+6+6,6.0+12+12 12 dosage ratios of gram/hectare are handled, other establishes 1 auxiliary agent contrast, amount to 29 processing, repeat four times.
1.4 test method
Medicament adopts now with the current, after former medicine adopts dmso solution, adds the Tween 80 emulsifier, prepares 10% mother liquor.According to the medicament characteristic, 5 dosage from high to low are set.
Potted plant cultivation is adopted in the cultivation of target weeds, with 11 * 12cm plastic basin, will not use air-dry, the back dress basin that sieves of the soil of adopting back in the farmland of weed killer herbicide, quantitative 4/5 place of dry ground in the basin, soil pH value 7.0, the content of organic matter 1.2%.Adopt basin alms bowl bottom infiltrating irrigation mode, after making soil moistening fully, chickweed, clearvers, the wartwort seed that last year, gathered in the field are soaked each about 30 even program request of back at soil surface, blinding is placed in the greenhouse for 0.5～1 centimetre and cultivates, 28～32 ℃/18～25 ℃ of indoor temperatures (d/n), relative moisture 75% ± 15%.With the moisturizing of basin alms bowl bottom infiltrating irrigation mode, keep soil moisture.When broad leaved weed chickweed, clearvers, wartwort 3-5 leaf, put and spray medicine (ASS-1 type pesticide spraying system, DG8003 shower nozzle, atomisation pressure 2.75MPA, spouting liquid 40kg/ mu) in the spray tower, treat after the dispenser that natural air drying is placed on cultivation observation in the greenhouse.
1.5 weeds investigation and analytical method
Periodical visual inspection is observed growth conditions, poisoning symptom and the poisoning degree of weeds after the dispenser, the record symptom of chemical damage, and the type of action of medicament is used in 14 days and the evaluation of 21 days employing Colby methods with behind the medicine, further inquires into the reasonability of proportioning.
1.5.1 ocular estimate
After the dispenser 14 days with ocular estimate investigation records activity of weeding, adopt following grade scale to investigate:
1 grade: do not have grass;
2 grades: the 0-2.5% that is equivalent to the blank district;
3 grades: the 2.6-5% that is equivalent to the blank district;
4 grades: the 5.1-10% that is equivalent to the blank district;
5 grades: the 10.1-15% that is equivalent to the blank district;
6 grades: the 15.1-25% that is equivalent to the blank district;
7 grades: the 25.1-35% that is equivalent to the blank district;
8 grades: the 35.1-67.5% that is equivalent to the blank district;
9 grades: the 67.6-100% that is equivalent to the blank district;
1.5.2 absolute value investigation method
Each processing ground chlorenchyma of clip adopts scales/electronic balance weighing in the time of 21 days, calculates actual survival rate E, adopts formula (2) theory of computation survival rate E0, checks with the Colby method, and the evaluation three uses the synergy type to weeds with.
Actual survival rate E (%)=treatment region weeds fresh weight * 100/ check plot weeds fresh weight (1)
Theoretical survival rate E0=XYZ/100 (n-1) (2)
When E0-E＞10%, illustrate to produce synergistic effect, when E0-E＜-10%, illustrate to produce antagonism, when E0-E between ± 10% the time, the generation addition is described.
2 results and analysis
2.1 weeds death condition
After the dispenser 1 day, the chickweed, clearvers, the wartwort meristematic tissue that use the agent of azoles humulone list to handle the yellow symptom occurs and cause withered spot thereupon, dispenser 5 days tribenuron-methyls, fluroxypyr high dose processing chickweed, wartwort dry up, the clearvers yellow, respectively to handle little wartwort seriously withered for the 15th day fluroxypyr after the dispenser, clearvers, the yellow of wartwort severe deformities, Lao Ye comes off.The most of chickweed of 20 days fluroxypyrs and composite processing is withered and yellow after the dispenser, wartwort, clearvers death.
2.2 14 days range estimation results behind the medicine:
Behind the medicine 14 days, each treatment region weeds is estimated investigation, the result is as follows:
Table 1 azoles humulone+tribenuron-methyl+fluroxypyr is used the visual observation (level) of 14 days chickweeds behind the medicine with
14 days chickweeds were surveyed result's (level) after table 2 azoles humulone+thifensulfuronmethyl+fluroxypyr was used medicine with
Table 3 azoles humulone+tribenuron-methyl+fluroxypyr is used the visual observation (level) of 14 days clearvers behind the medicine with
Table 4 azoles humulone+thifensulfuronmethyl+fluroxypyr is used the visual observation (level) of 14 days clearvers behind the medicine with
Table 5 azoles humulone+tribenuron-methyl+fluroxypyr is used the visual observation (level) of 14 days wartwort behind the medicine with
Table 6 azoles humulone+thifensulfuronmethyl+fluroxypyr is used 14 days wartwort visual observation (level) behind the medicine with
2.3 21 days investigation results behind the medicine
Table 7 azoles humulone+tribenuron-methyl+fluroxypyr is used with chickweed survival rate and theoretical survival rate
Azoles humulone, tribenuron-methyl and fluroxypyr are used with the chickweed co-toxicity: tribenuron-methyl, fluroxypyr are better to the chickweed preventive effect, the azoles humulone is general relatively to the chickweed preventive effect, along with the increase of fluroxypyr, tribenuron-methyl consumption, use the preventive effect raising of back with to chickweed.Actual preventive effect difference after using with as seen from Table 7 is substantially greater than 10%, and the preventive effect to chickweed after the three uses with is synergistic effect.
Table 8 azoles humulone+thifensulfuronmethyl+fluroxypyr is used with chickweed survival rate and theoretical survival rate
Azoles humulone, thifensulfuronmethyl and fluroxypyr are used with the chickweed co-toxicity: thifensulfuronmethyl, fluroxypyr are better to the chickweed preventive effect, the azoles humulone is general relatively to the chickweed preventive effect, along with the increase of fluroxypyr, thifensulfuronmethyl consumption, use the back with chickweed is imitated raising.Actual preventive effect difference after using with as seen from Table 8 is greater than 10%, and the three uses the back with the chickweed effect is synergistic effect.
Table 9 azoles humulone+tribenuron-methyl+fluroxypyr is used with the actual measurement survival rate of clearvers and theoretical survival rate
Azoles humulone, tribenuron-methyl and fluroxypyr are used the co-toxicity to clearvers with: the azoles humulone is fine to the preventive effect of clearvers, fluroxypyr is general to the preventive effect of clearvers, tribenuron-methyl is relatively poor to the preventive effect of clearvers, along with the increase of azoles humulone, tribenuron-methyl, fluroxypyr consumption, use the preventive effect raising of back with to clearvers.Can find out actual preventive effect difference after using with substantially greater than 10% from table 9, the three uses the back with the preventive effect of clearvers is synergistic effect.
Table 10 azoles humulone+thifensulfuronmethyl+fluroxypyr is used with the actual measurement survival rate of clearvers and theoretical survival rate
Azoles humulone, thifensulfuronmethyl and fluroxypyr are used the co-toxicity to clearvers with: the azoles humulone is fine to the preventive effect of clearvers, fluroxypyr is general to the preventive effect of clearvers, thifensulfuronmethyl is relatively poor to the preventive effect of clearvers, along with the increase of azoles humulone, thifensulfuronmethyl, fluroxypyr consumption, use the preventive effect raising of back with to clearvers.Actual preventive effect difference after using with as seen from Table 10 is substantially greater than 10%, and the preventive effect to clearvers after the three uses with is synergistic effect.
Table 11 azoles humulone+tribenuron-methyl+fluroxypyr is used with the actual measurement survival rate of wartwort and theoretical survival rate
Azoles humulone, tribenuron-methyl and fluroxypyr are used the co-toxicity to clearvers with: the azoles humulone is fine to the preventive effect of wartwort, fluroxypyr is better to the inhibitory action of wartwort, tribenuron-methyl is relatively poor to the preventive effect of wartwort, along with the increase of azoles humulone, tribenuron-methyl, fluroxypyr consumption, use the preventive effect raising of back with to wartwort.Actual preventive effect difference after using with as seen from Table 11 is substantially greater than 10%, and the preventive effect to wartwort after the three uses with is synergistic effect.
Table 12 azoles humulone+thifensulfuronmethyl+fluroxypyr is used with wartwort actual measurement survival rate and theoretical survival rate
Azoles humulone, thifensulfuronmethyl and fluroxypyr are used the co-toxicity to wartwort with: fluroxypyr is fine to the preventive effect of wartwort, the azoles humulone is to the good inhibitory effect of wartwort, thifensulfuronmethyl is relatively poor to the preventive effect of wartwort, along with the increase of azoles humulone, thifensulfuronmethyl, fluroxypyr consumption, use the preventive effect raising of back with to wartwort.Actual preventive effect difference after using with as seen from Table 12 is substantially greater than 10%, and the preventive effect to wartwort after the three uses with is synergistic effect.
Can find out from above result of the test, azoles humulone, tribenuron-methyl or thifensulfuronmethyl, fluroxypyr are used with, chickweed, clearvers, wartwort are synergistic effect, use with to have enlarged and kill the grass spectrum, reduced the content of azoles humulone, tribenuron-methyl or thifensulfuronmethyl, the single agent of fluroxypyr three, improved total preventive effect, the three uses certain feasibility with on producing.
The invention will be further described below in conjunction with embodiment.
Example of formulations 1:
Take by weighing 3% azoles humulone, 7% tribenuron-methyl, 30% fluroxypyr, 3%TERSPERSE 2700,2% dispersing agent NNO, 3% Nekal BX (nekal), 2%K-12 (lauryl sodium sulfate), 5% soluble starch, 5% glucose, kaolin and add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule is promptly mixed, ultra micro comminution by gas stream, mixing, granulation step are produced 40% azoles humulone tribenuron-methyl fluroxypyr water dispersible granules.
Example of formulations 2
Take by weighing 1.6% azoles humulone, 10.4% tribenuron-methyl, 48% fluroxypyr, 4%TERSPERSE2700,2% dispersing agent NNO, 1% Nekal BX, 1%K-12,1% carboxymethyl cellulose, 3% urea, diatomite and add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule is promptly mixed, ultra micro comminution by gas stream, mixing, granulation step are produced 60% azoles humulone tribenuron-methyl fluroxypyr water dispersible granules.
Example of formulations 3:
Take by weighing 10% azoles humulone, 2.5% tribenuron-methyl, 40% fluroxypyr, 4%TERSPERSE 2700,1% Nekal BX, 1%K-12,0.5% dextrin starch, 2% ammonium sulfate, attapulgite and add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule is promptly mixed, ultra micro comminution by gas stream, mixing, granulation step are produced 52.5% azoles humulone tribenuron-methyl fluroxypyr water dispersible granules.
Example of formulations 4:
Take by weighing 4% azoles humulone, 10% thifensulfuronmethyl, 36% fluroxypyr, 4%Morwet D-425 (alkylnaphthalene sulfonate, Akzo Nobel N.V. produces), 3% dispersing agent NNO, 2% Nekal BX, 2%K-12,2% polyvinylpyrrolidone, 0.5% xanthans, kaolin adds to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule is promptly mixed, ultra micro comminution by gas stream, mixing, granulation step are produced 50% azoles humulone thifensulfuronmethyl fluroxypyr water dispersible granules.
Example of formulations 5
Take by weighing 2% azoles humulone, 5% thifensulfuronmethyl, 20% fluroxypyr, 5% calcium lignosulfonate, 2% Nekal BX, 2%K-12,5% white carbon black, kaolin and add to 100% weight portion.Above-mentioned raw materials makes 27% azoles humulone thifensulfuronmethyl fluroxypyr wetting powder through mixing behind the comminution by gas stream.
Example of formulations 6
Take by weighing 1% azoles humulone, 2% tribenuron-methyl, 30% fluroxypyr, 4% calcium lignosulfonate, 3%TERSPERSE 2700,2% Nekal BX, 1%K-12,3% white carbon black, precipitated calcium carbonate and add to 100% weight portion.Above-mentioned raw materials makes 33% azoles humulone tribenuron-methyl fluroxypyr wetting powder through mixing behind the comminution by gas stream.
Example of formulations 7
Take by weighing 5% azoles humulone, 1% tribenuron-methyl, 50% fluroxypyr, 4% calcium lignosulfonate, 3% dispersing agent NNO, 2% Nekal BX, 2%K-12,3% white carbon black, attapulgite and add to 100% weight portion.Above-mentioned raw materials makes 56% azoles humulone tribenuron-methyl fluroxypyr wetting powder through mixing behind the comminution by gas stream.
Example of formulations 8
Take by weighing 2% azoles humulone, 20% tribenuron-methyl, 20% fluroxypyr, 4% sodium lignin sulfonate, 2%TERSPERSE 2700,2%K-12,3% white carbon black, potter's clay and add to 100% weight portion.Above-mentioned raw materials makes 42% azoles humulone tribenuron-methyl fluroxypyr wetting powder through mixing behind the comminution by gas stream.
Example of formulations 9
Take by weighing 4% azoles humulone, 2% thifensulfuronmethyl, 4% fluroxypyr, 3% calcium lignosulfonate, 1% Nekal BX, 1%K-12,2% white carbon black, kaolin and add to 100% weight portion.Above-mentioned raw materials makes 10% azoles humulone thifensulfuronmethyl fluroxypyr wetting powder through mixing behind the comminution by gas stream.
Example of formulations 10
Take by weighing 2% azoles humulone, 4% tribenuron-methyl, 20% fluroxypyr, 3%TERSPERSE 2700,3% sodium lignin sulfonate, 1%K-12, ammonium sulfate and add to 100% weight portion.Above-mentioned raw materials makes 26% azoles humulone tribenuron-methyl fluroxypyr wetting powder through mixing behind the comminution by gas stream.
Example of formulations 11
Take by weighing 1.5% azoles humulone, 4% thifensulfuronmethyl, 17.5% fluroxypyr, 2%TERSPERSE2425,4% this dish-60#, 3% Tween-60 #, 2% Nongru-700 #, 1%TERSPERSE 2500,0.5% white carbon, 5% propane diols, 1% epoxychloropropane, methyl oleate and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, but with making 23% azoles humulone thifensulfuronmethyl fluroxypyr dispersed oil suspending agent behind the sand mill sand milling.
Example of formulations 12
Take by weighing 1% azoles humulone, 2% tribenuron-methyl, 12% fluroxypyr, 2% dispersing agent NNO, 3% agricultural newborn 2201#, 8%BY-110,1%TERSPERSE 2500,1% aluminium-magnesium silicate, 3% propane diols, 15% epoxidized soybean oil, soybean oil and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, but with making 15% azoles humulone tribenuron-methyl fluroxypyr dispersed oil suspending agent behind the sand mill sand milling.
Example of formulations 13
Take by weighing 0.2% azoles humulone, 2% tribenuron-methyl, 5% fluroxypyr, 1.5%TERSPERSE 2425,3% this dish-60#, 3% Tween-60 #, 8%BY-110,1%TERSPERSE 2500,0.5% white carbon, 5% propane diols, 20% epoxidized soybean oil, methyl oleate and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, but with making 7.2% azoles humulone tribenuron-methyl fluroxypyr dispersed oil suspending agent behind the sand mill sand milling.
Biological Examples 1 is prevented and kill off wheat paddock weeds field trial
Carried out 27% azoles humulone thifensulfuronmethyl fluroxypyr (2%+5%+20%) wetting powder in Dai Jia township, Wugong County, Shaanxi Province and prevented and kill off the wheat paddock weeds test of pesticide effectiveness, verified that this medicament is to the control efficiency of wheat paddock weeds, effective dose and to the safety of wheat.Trial crops is a wheat, and controlling object is a chickweed, clearvers, and wartwort, descurainia sophia (l.) webb ex prantl, shepherd's purse, corn gromwell weeds leaf age are in 2～5 leaf phases.Test medicine and dosage are 27% azoles humulone thifensulfuronmethyl fluroxypyr wetting powder 20g/ mu, 25g/ mu, 30g/ mu, 19% thifensulfuronmethyl fluroxypyr (2.5%+16.5%) wetting powder 40g/ mu, 25% azoles humulone fluroxypyr (5%+20%) wetting powder 30g/ mu, 36% azoles humulone thifensulfuronmethyl (22%+14%) wetting powder 5g/ mu, 40% azoles humulone water dispersible granules 5g/ mu, 20% fluroxypyr missible oil 70g/ mu, 10% thifensulfuronmethyl wetting powder 20g/ mu.Adopt conventional spray-on process.
Each chemicals treatment district compares with contiguous blank district, estimates the weeds population, with the indexs such as quantity, cover degree, height and healthy and strong growing way of weeds, represents (with contrast is 0%, and death is 100% fully) with percentage.
Every sub-district is selected 5 points, every some 1m at random
2Carry out sample investigation, record weeds kind, weeds strain number, cover degree and weeds weight.
The drug effect computational methods:
In the formula: CK is the remaining careless number in blank district; PT is the remaining careless number in chemicals treatment district.
Table 13 27% azoles humulone thifensulfuronmethyl fluroxypyr WP is to the wheat paddock weed control efficacy
Table 14 27% azoles humulone thifensulfuronmethyl fluroxypyr WP is to the wheat paddock weed control efficacy
Table 15 27% azoles humulone thifensulfuronmethyl fluroxypyr WP is to the wheat paddock weed control efficacy
Table 16 27% azoles humulone thifensulfuronmethyl fluroxypyr WP is to the wheat paddock weed control efficacy
Table 17 27% azoles humulone thifensulfuronmethyl fluroxypyr WP is to the wheat paddock weed control efficacy
Table 18 27% azoles humulone thifensulfuronmethyl fluroxypyr WP is to the wheat paddock weed control efficacy
The average preventive effect analysis of table 19
Field test results shows: 27% azoles humulone thifensulfuronmethyl fluroxypyr WP has significant preventive effect to the wheat paddock weeds, its 25g/ mu, the preventive effect of 30g/ mu obviously is better than contrasting medicament 19% thifensulfuronmethyl fluroxypyr (2.5%+16.5%) wetting powder 40g/ mu, 25% azoles humulone fluroxypyr (5%+20%) wetting powder 30g/ mu, 36% azoles humulone thifensulfuronmethyl (22%+14%) wetting powder 5g/ mu, 40% azoles humulone water dispersible granules 5g/ mu, 20% fluroxypyr missible oil 70g/ mu, 10% thifensulfuronmethyl wetting powder 20g/ mu; Solved each single agent after 3 kinds of components are mixed broad leaved weed is prevented and kill off a defective difficult problem, and synergy is remarkable, improved the comprehensive preventive effects of wheat paddock weeds and saved drug cost, to wheat safety.
Comprehensively above-mentioned, component of the present invention is reasonable, and herbicidal effect is good, and synergy is remarkable, enlarges the control of weeds spectrum, reduces spraying times, reduces the control cost, slows down the generation of weeds resistance, and is good to crop safety, meets the security requirement of pesticidal preparations.
Claims (7)
1. herbicide composition for wheat field is characterized in that comprising:
A) the first active component azoles humulone;
B) second active component tribenuron-methyl or the thifensulfuronmethyl;
C) the 3rd active component fluroxypyr;
Weight ratio is (1～16) between first active component, second active component and the 3rd active component three: (2～32): (8～128).
2. herbicide composition for wheat field according to claim 1 is characterized in that: weight ratio is (1～10) between first active component, second active component and the 3rd active component three: (2～10): (10～30).
3. herbicide composition for wheat field according to claim 1 and 2 is characterized in that: the cumulant of first active component, second active component and the 3rd active component is 5%～60% of a described composition total weight.
4. herbicide composition for wheat field according to claim 3 is characterized in that: the cumulant of first active component, second active component and the 3rd active component is 10%～40% of a described composition total weight.
5. herbicide composition for wheat field according to claim 1 is characterized in that: described composition can be mixed with agricultural and go up any formulation that allows.
6. herbicide composition for wheat field according to claim 5 is characterized in that: but described composition is wetting powder, water dispersible granules dispersed oil suspending agent.
7. the described herbicide composition for wheat field of claim 1 is being prevented and kill off the application in the broad leaved weed between wheat paddock.
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| CN103283748A (en) * | 2013-05-22 | 2013-09-11 | 吴江市德佐日用化学品有限公司 | Weeding composition containing tribenuron-methyl, oxyfluorfen and fluroxypyr |
| CN103461344A (en) * | 2013-08-20 | 2013-12-25 | 湖南农大海特农化有限公司 | Wheat filed weeding combination |
| CN103960270A (en) * | 2014-05-24 | 2014-08-06 | 南通顺阳化工有限公司 | Novel weedicide for broad-leaved weeds |
| CN104542665A (en) * | 2014-12-27 | 2015-04-29 | 江西中迅农化有限公司 | Phytocidal composition containing mesosulfuron, carfentrazone and fluroxypyr |
| CN105794817A (en) * | 2014-12-29 | 2016-07-27 | 南京华洲药业有限公司 | Mixed herbicide containing flazasulfuron, carfentrazone-ethyl and fluroxypyr as well as applications thereof |
| CN106818828A (en) * | 2016-12-26 | 2017-06-13 | 山东滨农科技有限公司 | A kind of herbicide composition for wheat field |
| JP2017521383A (en) * | 2014-06-09 | 2017-08-03 | ダウ アグロサイエンシィズ エルエルシー | Herbicide weed control from a combination of fluroxypyr and ALS inhibitor |
| CN107125256A (en) * | 2017-07-14 | 2017-09-05 | 安徽海日生物科技有限公司 | A kind of tribenuron-methyl and azoles humulone built wettable powder and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103283748A (en) * | 2013-05-22 | 2013-09-11 | 吴江市德佐日用化学品有限公司 | Weeding composition containing tribenuron-methyl, oxyfluorfen and fluroxypyr |
| CN103461344A (en) * | 2013-08-20 | 2013-12-25 | 湖南农大海特农化有限公司 | Wheat filed weeding combination |
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| JP2017521383A (en) * | 2014-06-09 | 2017-08-03 | ダウ アグロサイエンシィズ エルエルシー | Herbicide weed control from a combination of fluroxypyr and ALS inhibitor |
| CN104542665A (en) * | 2014-12-27 | 2015-04-29 | 江西中迅农化有限公司 | Phytocidal composition containing mesosulfuron, carfentrazone and fluroxypyr |
| CN105794817A (en) * | 2014-12-29 | 2016-07-27 | 南京华洲药业有限公司 | Mixed herbicide containing flazasulfuron, carfentrazone-ethyl and fluroxypyr as well as applications thereof |
| CN105794817B (en) * | 2014-12-29 | 2018-05-22 | 南京华洲药业有限公司 | Mixed herbicide containing flazasulfuron, carfentrazoneethyl and fluroxypramide and application thereof |
| CN106818828A (en) * | 2016-12-26 | 2017-06-13 | 山东滨农科技有限公司 | A kind of herbicide composition for wheat field |
| CN107125256A (en) * | 2017-07-14 | 2017-09-05 | 安徽海日生物科技有限公司 | A kind of tribenuron-methyl and azoles humulone built wettable powder and preparation method thereof |
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