CN107347901A - A kind of wheat paddock post-emergence complex weedicide - Google Patents
A kind of wheat paddock post-emergence complex weedicide Download PDFInfo
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- CN107347901A CN107347901A CN201710609125.8A CN201710609125A CN107347901A CN 107347901 A CN107347901 A CN 107347901A CN 201710609125 A CN201710609125 A CN 201710609125A CN 107347901 A CN107347901 A CN 107347901A
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- mesosulfuron
- tralkoxydim
- preventive effect
- benzene flumetsulam
- weeds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
- A01N35/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen
- A01N35/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen containing a carbon-to-nitrogen double bond
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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- Agronomy & Crop Science (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Pest Control & Pesticides (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of mixed herbicide of wheat after seedling, its effective ingredient is made up of mesosulfuron, tralkoxydim and benzene flumetsulam, and wherein the mass ratio of mesosulfuron, tralkoxydim and benzene flumetsulam is 1~30:10‑40:10~50.Herbicide effects of the present invention are notable, compared with mesosulfuron, tralkoxydim, benzene flumetsulam single dose, its dosage is low, cost is low, expand herbicide controlling spectrum, the preventive effect of the single, double cotyledon weeds in field, fresh weight preventive effect, comprehensive fresh weight preventive effect are significantly improved, it is obvious to field crops safety, quick-acting.Dispenser can prevent and kill off the weeds in crop whole breeding time, and, noresidue friendly to environment is highly safe to second stubble crop.It is a kind of herbicide that the cauline leaf process of resistant weed such as Triticum tauschii, bromegrass and resistance broad leaved weed clearvers, Veronica is prevented and kill off for wheat paddock comparatively ideal at present.
Description
Technical field
The present invention relates to pesticide field, more particularly to a kind of wheat paddock post-emergence complex weedicide.
Background technology
The chemical name of mesosulfuron (Mesosulfuron-methyl) is:[(4,6-=methoxyl groups are phonetic by 3- for methyl -2
Pyridine -2- bases)-ureido sulfuryl] -4- methanesulfonylaminobenzene formic acid esters, molecular formula:C17H21N5O9S2, molecular weight:
503.51.Mesosulfuron is sulfonylurea herbicide, is mainly absorbed by the cauline leaf of plant, is passed through bast and xylem
Lead, on a small quantity by soil absorption, suppress the activity of the acetolactate synthestase in sensitive plant body, cause the numerous sour conjunction of side chain ammonia
Into being obstructed, so as to suppress cell division, cause sensitive plant dead.Available for preventing and kill off wheat paddock amur foxtail, wild oat, caput
Grass, annual bluegrass, hard grass, alkali thatch, Itanlian rye, lolium temulentum, bromegrass, candle grass, Triticum tauschii, Tong grass, wheatgrass, shepherd's purse, Descurainia sophia,
Ox chickweed, spontaneous rape etc..
Tralkoxydim, chemical name are 2- [1- (ethoxy imino) propyl group] -3- hydroxyls -5- (2,4,6- trimethylbenzenes
Base) hexamethylene -2- ketenes, molecular formula C20H27NO3, molecular weight 329.43, high selectivity herbicide.Make with Uptake and translocation
With preventing and kill off a variety of grassy weeds for barley, wheat paddock.After foliage application, plant whole body, weeds are transferred to by absorption rapidly
Chlorosis, it is then withered.Control Wild oat, Triticum tauschii, amur foxtail, Wang grass, bromegrass etc., from early growth section to leaflet phase and jointing
Phase is effective.
Benzene flumetsulam category miazines, is proporphyrinogen oxidase (PPO) inhibitor, and its chemical name is:N'-[2-
The chloro- fluoro- 5- of 4- ((the 2H)-pyrimidine of 3- methyl -2,6- dioxies -4- (trifluoromethyl) -3,6- dihydros -1) benzoyl]-N- isopropyls -
N- methyl sulphamides, molecular formula:C17H17ClF4N4O5S.Benzene flumetsulam can be used as steriland herbicide to use, and can effectively prevent and kill off
A variety of broad leaved weeds, including glyphosate, ALS and triazines are produced with the weeds of resistance;With go out raw effect and soil quickly
Residue degrading is rapid.Can be mixed with gramineous weed weedicide, effect is fine, can all be applied in various crop field and bare place
With wheel is restricted small.There is single dose to be used in wheat paddock at present, it is obvious to wheat paddock broadleaf weed preventive effect.It is prevented and kill off pair
As for annual single, double cotyledon weeds, such as amur foxtail, wild oat, caput grass, annual bluegrass, hard grass, alkali thatch, Itanlian rye, poison
Wheat, bromegrass, candle grass, Triticum tauschii, Tong grass, wheatgrass, shepherd's purse, Descurainia sophia, ox chickweed, spontaneous rape, clearvers, shepherd's purse, grandmother
Receive, corn gromwell, lamb's-quarters etc..
Above-mentioned three kinds of agricultural chemicals herbicidal effects have limitation, it is impossible to and disposable dispenser is all effective to all weeds of wheat paddock,
So as to increase formulation rate and dispenser cost.
The content of the invention
To solve the above problems, the present invention provides a kind of wheat field mixed herbicide, resistance Triticum tauschii, sparrow can solve the problem that
The problems such as wheat, Itanlian rye, clearvers, Veronica.
Technical scheme is as follows:
A kind of mixed herbicide of wheat after seedling, its effective ingredient are by mesosulfuron, tralkoxydim and the phonetic sulphur grass of benzene
Amine forms, and wherein the mass ratio of mesosulfuron, tralkoxydim and benzene flumetsulam is 1~30:10- 40:10~50.
Further scheme, the mass ratio of the mesosulfuron, tralkoxydim and benzene flumetsulam is 10~15: 10-
20:10~35.
Further scheme, the mass ratio of the mesosulfuron, tralkoxydim and benzene flumetsulam is 10: 15:
25。
Further scheme, the quality sum of the mesosulfuron, tralkoxydim and benzene flumetsulam account for the compounding
The 1~80% of herbicide gross mass.
Further scheme, the formulation of the complex weedicide include wettable powder, water dispersible granules, aqueous emulsion, suspension
Agent, suspension emulsion, aqua or missible oil.
A kind of mixed herbicide of wheat after seedling suspending agent is made up of by mass percentage following component:Mesosulfuron is former
Medicine 10-25%, tralkoxydim 10-40%, benzene flumetsulam 10-50%, 8kg polyoxygenated Asia alkene, 9kg/ castor oil polyoxy second
Alkene ether, 2kg dodecyl benzene sulfonates, methylated vegetable oil complement to 100kg.Each component is by being sufficiently mixed allotment, ball milling
Crush, adjust, being packaged to be dispersible oil-suspending agent.
Herbicide effects of the present invention are notable, compared with mesosulfuron, tralkoxydim, benzene flumetsulam single dose, dosage
Low, cost is low, expands herbicide controlling spectrum, has substantially to the preventive effect of the single, double cotyledon weeds in field, fresh weight preventive effect, comprehensive fresh weight preventive effect
Improve, it is obvious to field crops safety, quick-acting.Dispenser can prevent and kill off the weeds in crop whole breeding time, to environment
Friendly, noresidue, it is highly safe to second stubble crop.Be it is comparatively ideal at present it is a kind of for wheat paddock prevent and kill off Triticum tauschii, bromegrass and
The herbicide of the cauline leaf process of resistant weed such as resistance broad leaved weed clearvers, Veronica.
Mixed herbicide of wheat after seedling provided by the invention is preventive effect, fresh weight preventive effect to weeds in field, comprehensive compared with single dose
Close fresh weight preventive effect to be improved, to field crops safety.
Mesosulfuron tralkoxydim benzene flumetsulam suspending agent provided by the invention, it is outstanding with mesosulfuron oil
Floating agent, tralkoxydim water dispersible granules, benzene flumetsulam water dispersible granules are compared, and reduce dosage, are reduced residual, are improved
To the preventive effects of the single, double cotyledon weeds in wheat paddock field, fresh weight preventive effect, comprehensive fresh weight preventive effect, to field crops safety, to small
Wheatland resistant weed positive effect.
Embodiment
The invention discloses a kind of wheat paddock herbicide after seedling, those skilled in the art can use for reference present disclosure, suitably
Modified technique parameter is realized.In particular, all similar replacements and change be for a person skilled in the art
It will be apparent that they are considered as being included in the present invention.The method of the present invention and application are carried out by preferred embodiment
Description, related personnel can substantially not depart from present invention, method described herein and application entered in spirit and scope
Row change is suitably changed with combining, to realize and using the technology of the present invention.
With reference to embodiment, the present invention is expanded on further:
Embodiment 1 prepares the dispersible oil-suspending agent of complex weedicide of the present invention
The 30% dispersible oil-suspending agent of mesosulfuron tralkoxydim benzene flumetsulam, 30% refers to the sulphur of methyl two
Three kinds of active components of grand, tralkoxydim and benzene flumetsulam account for the percentage of gross weight.Take 10kg mesosulfurons, 10kg tri-
Toluene humulone, 10kg benzene flumetsulams, 8kg polyoxygenateds Asia alkene, 9kg/ castor oil polyoxyethylene ethers, 2kg DBSAs
Salt, methylated vegetable oil complement to 100kg.Through being sufficiently mixed allotment, ball mill grinding, adjust, to be packaged to be dispersible oil outstanding
Floating agent.
Embodiment 2 prepares the water dispersible granules of complex weedicide of the present invention
40% mesosulfuron tralkoxydim benzene flumetsulam water dispersible granules, weigh mesosulfuron, front three
Methoxyphenone accounts for the percentage of gross weight with three kinds of active components of benzene flumetsulam.Take 10kg mesosulfurons, 10kg tralkoxydims,
20kg benzene flumetsulams, D-425 6kg, EFW2kg, ammonium sulfate 5kg, polyethylene glycol 1kg, kaolin supply 100%, through abundant
Mixing, air-flow crushing, mixing, granulation, drying and screening, obtain dispersible granule.
Embodiment 3:Prepare the wettable powder of complex weedicide of the present invention
50% mesosulfuron tralkoxydim benzene flumetsulam wettable powder, weighs mesosulfuron, front three
Methoxyphenone accounts for the percentage of gross weight with three kinds of active components of benzene flumetsulam.Take 10kg mesosulfurons, 15kg tralkoxydims,
25kg benzene flumetsulams, 4kg dispersants NNO, 3kg wetting agent K12,4kg White Carbon black, precipitated calcium carbonate complement to 100kg.Through filling
Divide mixing, air-flow crushing, mixing, obtain wettable powder.
Embodiment 4:Prepare the suspending agent of complex weedicide of the present invention
60% mesosulfuron tralkoxydim benzene flumetsulam suspending agent, weigh mesosulfuron, trimethylbenzene grass
Ketone accounts for the percentage of gross weight with three kinds of active components of benzene flumetsulam.Take 15kg mesosulfurons, 15kg tralkoxydims, 30kg
Benzene flumetsulam, emulsifying agent 1601#15%, wetting agent LS 5%, dispersant SOPA- 270 4%, bentonite 3%, xanthans
0.1%, organic silicon defoamer 0.4%, glycerine 5%, deionized water complements to 100%.
Embodiment 5:Prepare the missible oil of complex weedicide of the present invention
70% mesosulfuron tralkoxydim benzene flumetsulam missible oil, weighs mesosulfuron, tralkoxydim
The percentage of gross weight is accounted for three kinds of active components of benzene flumetsulam.Take 15kg mesosulfurons, 20kg tralkoxydims, 35kg benzene
Flumetsulam, dense newborn No. 33 4%, dodecyl benzene sulfonate 6%, dimethylbenzene complements to 100%.
The Toxicity Determination of embodiment 6
Test objective:Under greenhouse experiment, using pot-culture method, research mesosulfuron, tralkoxydim, the phonetic sulphur of benzene
The herbicidal effect of careless amine ternary built, and the contact effect that both co-toxicity coefficient method evaluations using Sun Yunpei different proportions are mixed
Type, test basis is provided for experiment.
Experimental condition:For trying weeds, amur foxtail, wild oat, caput grass, annual bluegrass, hard grass, alkali thatch, Itanlian rye, poison
Wheat, bromegrass, candle grass, Triticum tauschii, Tong grass, wheatgrass, shepherd's purse, Descurainia sophia, ox chickweed, spontaneous rape, clearvers, shepherd's purse, grandmother
Receive, corn gromwell, lamb's-quarters etc., (field harvesting upper one year seed, germination percentage is more than 85%).
Carried out in illumination cultivation room, 10-25 DEG C of temperature
Application method:In weeds seedling stage cauline leaf process.
Experimental design
The mesosulfuron active compound (Jiangsu Agricultural Hormone Engineering Technology Research Centre Co., Ltd.) of reagent agent 95%;
95% tralkoxydim active compound (Jiangsu Agricultural Hormone Engineering Technology Research Centre Co., Ltd.), 97% benzene flumetsulam active compound
(offer of active compound portion of Anhui Fengle Agricultural Co., Ltd).
Quantitative active compound, concentration needed for dilution are weighed using balance.
Experimental design
The synergy of tralkoxydim and benzene flumetsulam
Tralkoxydim, benzene flumetsulam single dose and 5 tralkoxydims and benzene flumetsulam mixture preparation are set 5 respectively
Individual dosage, separately sets blank control, and each test process is repeated 4 times.
Treatment agent dosage refers to table 1
The test process of table 1 and test level (effective ingredient consumption)
The synergy of tralkoxydim, the optimal mixture of benzene flumetsulam and mesosulfuron
Tralkoxydim benzene flumetsulam mixture, mesosulfuron single dose and 5 mixture preparations are set into 5 agent respectively
Amount, separately sets blank control, each test process is repeated 4 times.Treatment agent dosage refers to table 2.
Table 2:Test process and test level (effective ingredient consumption)
Application method
For wheat paddock after seedling cauline leaf process, using power spraye, Fan spray head, the spraying of simulation crop field, spray value are filled
For 40 kgs/acre.
Spraying time and number:Test and carry out reagent spray processing, dispenser 1 time within 15th in September in 2015.
Record intoxication conditions in detail after dispenser, 20 days after medicine, carry out fresh weight measurement, and compared with control treatment, calculate fresh
Weight preventive effect.
Synergy assay method
Synergy type of the result of the test with Sun Yunpei co-toxicity coefficient method evaluation after mixed.
According to SUN, Y-P (Sun Yunpei) method calculates its actual toxicity index, mixture theoretical toxicity index, co-toxicity coefficient.With
Log concentration is X, and prevention and control of weeds niqueMin is Y, seeks regression equation.
Actual toxicity index=standard agent LD50The LD of/mixture50×100
Theoretical toxicity index=∑ (percentage of the medicament active ingredient of the toxicity index of reagent agent × in mixture)
Actual toxicity index/theoretical toxicity index × 100 of co-toxicity coefficient=mixture
Benzene flumetsulam is standard agent in experiment.
Criterion:Co-toxicity coefficient < 80 is antagonism, is summation action between 80-120, and > 120 makees for synergy
With.
Table 3:Single dose fresh weight preventive effect is investigated
Fresh weight is four repetition average values in table.
Two pharmacy mix see the table below 4 to the indoor virulence of single, double cotyledon weeds and synergy
Table 4:Indoor virulence and synergy
As can be seen from the above table, handle (C), (D), (E), (F), the co-toxicity coefficient of (G) are respectively 144.29,194.35,
203.12nd, 158.00,159.78,120 are all higher than, there is synergistic effect, wherein the co-toxicity coefficient of (E) is maximum, is 200.28, reaches
To notable synergistic effect.
Conclusion (of pressure testing), by experiment, tralkoxydim, benzene flumetsulam press 15:25 ratio mixtures are more suitable, right
There is annual grassy weeds notable synergistic to act on
The synergy of the optimal mixture of tralkoxydim benzene flumetsulam and mesosulfuron
The tralkoxydim benzene flumetsulam fresh weight preventive effect table 5 to weeds mixed with mesosulfuron
Fresh weight is four repetition average values in table.
Three pharmacy mix see the table below 6 to the indoor virulence of single, double cotyledon weeds and synergy
Processing | Regression equation | Coefficient correlation | LD50 | Actual toxicity index | Theoretical toxicity index | Coefficient of synergism |
(A) | Y=1.0978X+3.1527 | 0.9944 | 48.1663 | 7.50 | / | / |
(B) | Y=1.4496X+4.1912 | 0.9964 | 3.6137 | 100 | / | / |
(C) | Y=2.0901X+2.8895 | 0.9902 | 10.2270 | 35.33 | 25.11 | 140.7 |
(D) | Y=2.0765X+2.9239 | 0.9956 | 9.9957 | 36.15 | 19.17 | 188.58 |
(E) | Y=2.7541X+2.3864 | 0.9952 | 8.8913 | 40.64 | 14.90 | 272.75 |
(F) | Y=1.5895X+2.9227 | 0.9770 | 20.2691 | 17.83 | 10.9 | 163.58 |
(G) | Y=1.5623X+2.8227 | 0.9739 | 24.7548 | 14.60 | 9.06 | 161.15 |
As can be seen from the above table, handle (C), (D), (E), (F), the co-toxicity coefficient of (G) are respectively 140.7,188.58,
272.75th, 163.58,161.15,120 are all higher than, there is synergistic effect, wherein the co-toxicity coefficient of (E) is maximum, is 272.75, reaches
To notable synergistic effect.
Understand that mesosulfuron tralkoxydim presses 10 with benzene flumetsulam by experiment:40 mixtures are more suitable, altogether
Malicious coefficient is maximum, has notable synergistic effect to annual single, double cotyledon weeds.
The field control effectiveness test of embodiment 7
Dispenser place:Henan Province Luohe City Yancheng District Meng Miao towns wheat paddock, preceding stubble are corn.Experimental field fertility uniform one
Cause, physical features is flat.The inclined clay of soil, middle fertility, humidity are moderate.Sow Pu wheats No. 10, the main annual unifacial leaf of wheat paddock
Weeds have wild oat, Triticum tauschii, bromegrass, amur foxtail etc., and broadleaf weed master has Veronica, clearvers, benbie, sandwort, shepherd's purse
Dish etc., is evenly distributed.
Spraying time:In wheat 3-4 leaf phase dispensers, the specific time is dispenser in afternoon on November 10 in 2015.
Dispenser condition:Fine day on the day of dispenser, 13 DEG C~22 DEG C of temperature.
Dispenser dosage and mode:Formulation rate 100ml/667m2, decoction is using the preparation of two step dilution methods.Medical instruments using workers and peasants-
16 knapsack sprayers, fill fan shower nozzle, artificial even spraying, water consumption 40kg/667m2。
Test group:It is divided into oil-suspending agent test group, water dispersible granules test group, water dispersible granules test group;Wherein, oil is outstanding
According to 100ml/667m in floating agent test group2The dose spray embodiment of the present invention 1 30% mesosulfuron trimethylbenzene grass
The dispersible oil-suspending agent of ketone benzene flumetsulam, the dispersible mesosulfuron OD30 milliliters of oil-suspending agent test group 30%/mu, examination
Group is tested according to WG80 grams/acre of 40% tralkoxydim, 70% WG5 grams/acre of benzene flumetsulam.Blank control group:Used according to equal
Amount sprinkling clear water.
Test method:Each test group and blank control group are repeated 4 times, and each test group and blank control group account for respectively
With experimental plot plot area 60m2, cell random alignment.Before dispenser, in the cell of each test group and blank control group, medicine
It is preceding to take at 4 points at random;Dispenser 30d, 45d investigate the withered quantity of weeds, calculate strain preventive effect, and 45d calculates strain preventive effect and fresh weight preventive effect,
Each test group and blank control group cell number of weeds (strain/m is recorded respectively2), calculate Weed-control effect (%);After dispenser 45d, pull out
Go out weeds and weigh fresh weight (g/m2), calculate fresh weight preventive effect (%).
The herbicidal effect of each test group is shown in Table
Each formulation herbicidal effect of mesosulfuron tralkoxydim benzene flumetsulam of table 7
As seen from the above table, after dispenser 30d, the embodiment of the present invention 1 is obtained containing 30% mesosulfuron trimethylbenzene grass
The dispersible oil-suspending agent of ketone benzene flumetsulam to the preventive effect of single, double cotyledon weeds more than 95%, containing 30% methyl
The grand preventive effect to single, double cotyledon weeds of two sulphurs is respectively to single leaf weeds in 76.1%, 50%, 40% tralkoxydim
Preventive effect is 75.6%, and 70% benzene flumetsulam water dispersible granules are invalid to monocotyledon weed, broadleaf weed preventive effect
For 51.3%.Compared with each single dose, the preventive effect to weeds is not only increased, while have also been enlarged herbicide controlling spectrum, there is pole significance difference
Different (P < 0.01).
After dispenser 45d, the embodiment of the present invention 1 is obtained to contain 30% mesosulfuron tralkoxydim benzene flumetsulam
Dispersible oil-suspending agent to the preventive effect of single, double cotyledon weeds more than 95%, containing 30% mesosulfuron OD to single, double cotyledon
The preventive effect of weeds is respectively to be to the preventive effect of monocotyledon weed in 80.4%, 58.3%, 40% tralkoxydim
75.6%, 70% benzene flumetsulam water dispersible granules are invalid to monocotyledon weed, and broadleaf weed preventive effect is 75.0%.With
Each single dose is compared, and not only increases the preventive effect to weeds, while have also been enlarged herbicide controlling spectrum, has pole significant difference (P < 0.01).
Dispenser 45d weighs fresh weight after extracting weeds, and the embodiment of the present invention 1 is obtained to contain 30% mesosulfuron trimethylbenzene
The dispersible oil-suspending agent of humulone benzene flumetsulam is 100% to the fresh weight preventive effect of single, double cotyledon weeds, containing the sulphur of 30% methyl two
More than 70%, 40% tralkoxydim exists the grand fresh weight preventive effect to single, double cotyledon weeds to the fresh weight preventive effect of monocotyledon weed
More than 50%, 70% benzene flumetsulam is more than 75% to the fresh weight preventive effect of broadleaf weed, compared with each single dose, is not only improved
To the fresh weight preventive effect of weeds, while herbicide controlling spectrum is have also been enlarged, there is pole significant difference (P < 0.01).
Summary result of the test shows, the dispersible oil-suspending agent of mesosulfuron tralkoxydim benzene flumetsulam
It is preventive effect to weeds in field, fresh compared with mesosulfuron oil-suspending agent, tralkoxydim water dispersible granules, benzene flumetsulam
Weight preventive effect is improved, to field crops safety.
Embodiment 8
Dispenser place:Anhui Province Bozhou City great Yang towns wheat paddock, preceding stubble are corn.Experimental field fertility uniformity, physical features
It is flat.The inclined clay of soil, middle fertility, humidity are moderate.Yangmai 13 is sowed, mainly annual monocotyledon weed has open country to wheat paddock
Oat, bromegrass, amur foxtail etc., broadleaf weed master have clearvers, benbie, chickweed, shepherd's purse etc., are evenly distributed.
Spraying time:In wheat 3-4 leaf phase dispensers, the specific time is dispenser in afternoon on November 20 in 2015.
Dispenser condition:Fine day on the day of dispenser, 10 DEG C~18 DEG C of temperature.
Dispenser dosage and mode:100 grams/acre of formulation rate, decoction are prepared using two step dilution methods.Medical instruments use workers and peasants -16
Knapsack sprayer, fill fan shower nozzle, artificial even spraying, water consumption 40kg/667m2。
Test group:It is divided into wettable powder test group, oil-suspending agent test group, water dispersible granules test group, water-dispersible grain
Agent test group;Wherein, according to obtained in 100 grams/acre of the dose spray embodiment of the present invention 3 in wettable powder test group
Containing 50% mesosulfuron tralkoxydim benzene flumetsulam wettable powder, the dispersible first of oil-suspending agent test group 30%
The grand OD30 milliliters/mu of the sulphur of base two, test group according to WG80 grams/acre of 40% tralkoxydim, 70% WG5 grams of benzene flumetsulam/
Mu.Blank control group:Clear water is sprayed according to equal dosage.
Test method:Each test group and blank control group are repeated 4 times, and each test group and blank control group account for respectively
With experimental plot plot area 75m2, cell random alignment.Before dispenser, in the cell of each test group and blank control group, medicine
It is preceding to take at 4 points at random;Dispenser 30d, 45d investigate the withered quantity of weeds, calculate strain preventive effect, and 45d calculates strain preventive effect and fresh weight preventive effect,
Each test group and blank control group cell number of weeds (strain/m is recorded respectively2), calculate Weed-control effect (%);After dispenser 45d, pull out
Go out weeds and weigh fresh weight (g/m2), calculate fresh weight preventive effect (%).
The herbicidal effect of each test group is shown in Table
Each formulation herbicidal effect of mesosulfuron tralkoxydim benzene flumetsulam of table 8
As seen from the above table, after dispenser 30d, the embodiment of the present invention 3 is obtained containing 50% mesosulfuron trimethylbenzene grass
Ketone benzene flumetsulam wettable powder to the preventive effect of single, double cotyledon weeds more than 95%, containing the sulphur of 30% methyl two
The grand preventive effect to single, double cotyledon weeds is respectively that single leaf weeds are prevented in 79.4%, 54.5%, 40% tralkoxydim
Except effect is 73.1%, 70% benzene flumetsulam water dispersible granules are invalid to monocotyledon weed, and broadleaf weed preventive effect is
51.1%.Compared with each single dose, the preventive effect to weeds is not only increased, while have also been enlarged herbicide controlling spectrum, there is pole significant difference
(P < 0.01).
After dispenser 45d, the embodiment of the present invention 3 is obtained to contain 50% mesosulfuron tralkoxydim benzene flumetsulam
Wettable powder to the preventive effect of single, double cotyledon weeds more than 95%, containing 30% mesosulfuron OD to single, double cotyledon weeds
Preventive effect be respectively in 82.5%, 56.8%, 40% tralkoxydim be 74.6% to the preventive effect of monocotyledon weed,
70% benzene flumetsulam water dispersible granules are invalid to monocotyledon weed, and broadleaf weed preventive effect is 75.6%.With each single dose
Compare, not only increase the preventive effect to weeds, while have also been enlarged herbicide controlling spectrum, there is pole significant difference (P < 0.01).
Dispenser 45d weighs fresh weight after extracting weeds, and the embodiment of the present invention 3 is obtained to contain 50% mesosulfuron trimethylbenzene
Humulone benzene flumetsulam wettable powder is 100% to the fresh weight preventive effect of single, double cotyledon weeds, containing 30% mesosulfuron pair
The fresh weight preventive effect of single, double cotyledon weeds is more than 70%, and 40% tralkoxydim is to the fresh weight preventive effect of monocotyledon weed 70%
More than, 70% benzene flumetsulam is more than 80% to the fresh weight preventive effect of broadleaf weed, compared with each single dose, is not only increased pair
The fresh weight preventive effect of weeds, while herbicide controlling spectrum is have also been enlarged, there is pole significant difference (P < 0.01).
Summary result of the test shows, mesosulfuron tralkoxydim benzene flumetsulam wettable powder and first
The grand oil-suspending agent of the sulphur of base two, tralkoxydim water dispersible granules, benzene flumetsulam are compared, and the preventive effect, fresh weight to weeds in field are prevented
Effect is improved, to field crops safety.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (5)
- A kind of 1. mixed herbicide of wheat after seedling, it is characterised in that:Its effective ingredient be by mesosulfuron, tralkoxydim and Benzene flumetsulam forms, and wherein the mass ratio of mesosulfuron, tralkoxydim and benzene flumetsulam is 1~30:10-40:10 ~50.
- 2. complex weedicide according to claim 1, it is characterised in that:The mesosulfuron, tralkoxydim and benzene The mass ratio of flumetsulam is 10~15:10-20:10~35.
- 3. complex weedicide according to claim 2, it is characterised in that:The mesosulfuron, tralkoxydim and benzene The mass ratio of flumetsulam is 10:15:25.
- 4. according to the complex weedicide described in claim any one of 1-3, it is characterised in that:The mesosulfuron, trimethylbenzene The quality sum of humulone and benzene flumetsulam accounts for the 1~80% of the complex weedicide gross mass.
- 5. according to the complex weedicide described in claim any one of 1-3, it is characterised in that:The formulation bag of the complex weedicide Include wettable powder, water dispersible granules, aqueous emulsion, suspending agent, suspension emulsion, aqua or missible oil.
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CN105394063A (en) * | 2015-12-24 | 2016-03-16 | 安徽美兰农业发展股份有限公司 | Tralkoxydim and mesosulfuron compounded water dispersible granule and preparation method thereof |
CN105851009A (en) * | 2016-04-18 | 2016-08-17 | 泰安市农业科学研究院 | Synergistic weeding composition containing biscarfentrazone and tralkoxydim and application of synergistic weeding composition |
CN106035344A (en) * | 2016-07-01 | 2016-10-26 | 安徽丰乐农化有限责任公司 | Wheat post-emergence compound herbicide |
CN106342858A (en) * | 2016-08-26 | 2017-01-25 | 安徽久易农业股份有限公司 | Post-emergence compound herbicide for wheat fields |
CN106689173A (en) * | 2016-12-19 | 2017-05-24 | 安徽丰乐农化有限责任公司 | Wheatland post-seedling compound weed killer containing thiencarbazone-methyl and clopyralid |
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- 2017-07-24 CN CN201710609125.8A patent/CN107347901B/en active Active
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CN105394063A (en) * | 2015-12-24 | 2016-03-16 | 安徽美兰农业发展股份有限公司 | Tralkoxydim and mesosulfuron compounded water dispersible granule and preparation method thereof |
CN105851009A (en) * | 2016-04-18 | 2016-08-17 | 泰安市农业科学研究院 | Synergistic weeding composition containing biscarfentrazone and tralkoxydim and application of synergistic weeding composition |
CN106035344A (en) * | 2016-07-01 | 2016-10-26 | 安徽丰乐农化有限责任公司 | Wheat post-emergence compound herbicide |
CN106342858A (en) * | 2016-08-26 | 2017-01-25 | 安徽久易农业股份有限公司 | Post-emergence compound herbicide for wheat fields |
CN106689173A (en) * | 2016-12-19 | 2017-05-24 | 安徽丰乐农化有限责任公司 | Wheatland post-seedling compound weed killer containing thiencarbazone-methyl and clopyralid |
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