CN108013033A - A kind of Herbicidal combinations for preventing resistant weed - Google Patents
A kind of Herbicidal combinations for preventing resistant weed Download PDFInfo
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- CN108013033A CN108013033A CN201710066434.5A CN201710066434A CN108013033A CN 108013033 A CN108013033 A CN 108013033A CN 201710066434 A CN201710066434 A CN 201710066434A CN 108013033 A CN108013033 A CN 108013033A
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- herbicidal combinations
- herbicide
- mesotrione
- herbicidal
- safener
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/32—Ingredients for reducing the noxious effect of the active substances to organisms other than pests, e.g. toxicity reducing compositions, self-destructing compositions
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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
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
- A01N41/10—Sulfones; Sulfoxides
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- Agronomy & Crop Science (AREA)
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Abstract
The invention belongs to technical field of pesticide, discloses a kind of to wheat safety, Herbicidal combinations significant to the anti-sulfonylurea Weed-control effect of wheatland.Herbicidal combinations provided by the invention are made of herbicidal active component and safener, and wherein herbicidal active component is mesotrione.The mass fraction of herbicidal active component mesotrione is 1 99%, preferably 10 55% in the composition.The weight ratio of herbicidal active component and herbicide-safener is 1 in the composition:2 ~ 10, preferably 1:4‑8.Can by add different auxiliary material be processed into can suspending agent, dispersible oil-suspending agent, wettable powder, water dispersible granules, any pesticidal preparations type of granule.There is not been reported in wheat crops field prevention sulfonylurea resistant weed for Herbicidal combinations safety applications provided by the invention, belongs to domestic initiation.The Herbicidal combinations are to throughout the year thorough using preventive effects such as the undesirable Descurainia sophia of sulfonylurea herbicide effect, Herba Galii Teneri, shepherd's purse, wallflower, amur foxtail, Alopecurus, bromegrass, wild oat, rye grass, annual bluegrasses.
Description
Technical field
The present invention relates to Pesticide formulation and applied technical field, and in particular to and it is a kind of to wheat safety, wheatland is resisted
The significant Herbicidal combinations of sulfonylurea Weed-control effect, which includes herbicidal active component and optional herbicide is pacified
Full agent.
Background technology
The application of herbicide is using weeds as target, and weeds and cover crop are all plant, although herbicide action mechanism
With selectivity, but it usually should be human factor, environmental factor etc. and cause crop to produce poisoning, gently then suppress growth, drop
Low quality of agricultural product, the heavy then underproduction or plant death.
At present because applying herbicide the poisoning that occurs, it has also become it is very important in agricultural production the problem of.In numerous solutions
Certainly in the method for herbicide damage, herbicide-safener comes into being.
Herbicide-safener（Safener）Also known as antidote（Antidote）Or protective agent（Protectant）, simply
In fact, the poisoning from herbicide for cover crop is referred to, so as to increase the security of crop and improve weed control efficacy
Compound.Safener is added in herbicide, is artificial conferring herbicide with a kind of means of selectivity, to improve crop
Drug resistance, cover crop from pesticide residue infringement, can also alternatively property herbicide synergist, to expand herbicide
Herbicide controlling spectrum, the preventive effect to antagonism weeds is improved, without increasing poisoning to crop.
Herbicide-safener can be divided into naphthoic acid anhydride, dichloroacetyl amine, oxime ethers, heterocyclic, sulphur by structure difference
Uride（Amine）Class, plant growth regulation class, fungicide class etc..So far, the safener of commercialization has more than ten to plant.
Mesotrione, also known as mesotrione, chemical name：2-（4- mesyl 2- nitro-benzoyls）Thiacyclohexane-
1,3- diketone, structural formula are：
Mesotrione is a kind of broad weed-killing spectrum, activity is high, miscibilty is strong, selectivity is good, has contact herbicide, especially
It is effective to sulfonylurea resistant weed.Mesotrione is currently used primarily in corn field, also have registration for lawn, sugarcane, rice,
Onion, sorghum and other small ancestor crops etc., prevent most broadleaved herbs and some grassy weeds.
Mesotrione suppresses medical midbodies of para (ortho)-hydroxybenzoic acetone acid esters dual oxide enzyme（HPPD）, be it is a kind of can be used for bud before and after seedling it is wide
Spectral selectivity herbicide, was listed in 2001, and in the sales volume harvested more than 100,000,000 dollars in 2002, was hereafter had every year
Different degrees of growth, at present mesotrione occupy the 4th in global herbicide ranking list.
Cornfield herbicidal faces problems at present：1. due to the long-time service for preventing and kill off broad leaved weed tribenuron-methyl, bensulfuron-methyl,
The resistances such as wheatland advantage broad leaved weed Descurainia sophia, shepherd's purse occur generally, and some areas have reached 200-1500 times of resistance level, former
There is medicament to control its harm.2. since tillage machinery cross-regional operation, seed transfer etc. cause field weed community to drill
For getting worse, some grassy weeds and some malignant weeds are increasingly becoming dominant weed, such as Triticum tauschii, Itanlian rye,
Big fringe amur foxtail, Herba Galii Teneri etc..3. herbicide damage happens occasionally.Herbicide safety is big by such environmental effects, peasant household's life
It is universal that the phenomenon of dosage is arbitrarily increased in production, most domestic area practical technique, apparatus level are low etc., all cause
The factor of herbicide damage.
Although external major company develops the preparation based on noval chemical compound, such as mesosulfuron, pyroxsulam, double fluorine
Sulphur grass amine, Flumetsulam etc., but they always do not have gratifying characteristic in practice, such as Safe to wheat problem.
The content of the invention
To solve the above problems, a kind of security of present invention offer is good, wheatland sulfonylurea resistant weed is efficiently removed
Careless composition.
Herbicidal combinations of the present invention, are mesotrione comprising herbicidal active component, and choose any one kind of them or a variety of remove
Careless agent safener.The mass fraction of herbicidal active component mesotrione is 1-99%, preferably 10-55% in the composition.
The weight ratio of herbicidal active component and herbicide-safener is 1 in the composition:2 ~ 10, preferably 1:4-8.
The herbicide-safener is isoxadifen, cyclopropyl-sulfonylamide, mefenpyrdiethyl, fenchlorazole, the careless quinoline of solution, furans
Fenchlorazole, cloquintocet, dichloropropylene acid, chlorine oxalene peace, brassin lactones, gibberellin and all can be used for herbicide and make
Herbicide is reduced or eliminated during to one or more kinds of combinations in the auxiliary agent of chemical injury of crops.
Further, the Herbicidal combinations can be processed into can suspending agent, dispersible oil-suspending agent, wettable powder,
Water dispersible granules, any pesticidal preparations type of granule.
Containing the agriculturally acceptable various auxiliary agents needed for Pesticide formulation in the Herbicidal combinations, comprising solvent,
Emulsifying agent, wetting agent, stabilizer, dispersant, bleeding agent, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler,
One or more in carrier, medium, surfactant, are known substance, can be varied from, had no according to different situations
It is particularly limited to.
By taking dispersible oil-suspending agent as an example, surfactant can be added in oil phase, can be polyoxyethylene nonyl phenyl ethyl
One kind in ether, castor oil polyoxyethyl ether, fatty alcohol polyoxyethyl ether, alkyl benzene calcium sulfonate surfactant commonly used in the art
Or it is several, through mixing, being uniformly dispersed, the present composition is added under high shear agitation, separately adds viscosity modifier, defoaming
Other adjuvants such as agent, are ground under bead or zirconium pearl medium, are ground to 4-7 μm of particle diameter.Add stabilizer, pH tune
Agent etc. is saved, is dispensed after indices detection is qualified, that is, obtains the dispersible oil-suspending agent of Herbicidal combinations of the present invention.
Herbicidal combinations of the present invention can be used for the crop fields such as wheat, barley, oat, rye, buckwheat, highland barley, prevent
Control sulfonylurea resistant weed and include Descurainia sophia, Herba Galii Teneri, shepherd's purse, wallflower, amur foxtail, Alopecurus, bromegrass, wild swallow
Wheat, rye grass, annual bluegrass etc..
Herbicidal combinations provided by the invention, are wheat crops seedling to tillering stage in the best period of the crop fields application,
It can be applied before the winter to after turning green, it is especially good with application effect after turning green.The method of generally use cauline leaf spraying uses, can also
As needed technology is used using other agriculturally promoted and applied.
Compared with prior art, Herbicidal combinations of the invention have the following advantages：
1. Herbicidal combinations safety applications provided by the invention are not yet appeared in the newspapers in wheat crops field prevention sulfonylurea resistant weed
Road, belongs to domestic initiation.The Herbicidal combinations to throughout the year using the undesirable Descurainia sophia of sulfonylurea herbicide effect, Herba Galii Teneri,
The preventive effects such as shepherd's purse, wallflower, amur foxtail, Alopecurus, bromegrass, wild oat, rye grass, annual bluegrass are thorough.
2. composition provided by the invention includes herbicide-safener, medicine of the herbicide to wheat crops can be eliminated or reduced
Evil, so as to expand the application range and application period of the herbicide active active ingredients, carries to ensure crop safety, ensureing that stable yields is surely received
A kind of novel, practical weeds solution is supplied.
3. Herbicidal combinations provided by the invention include a kind of herbicidal active component mesotrione, both selected with after seedling
Property, and there is certain sealing effect.Mesotrione is HPPD inhibitor, tribenuron-methyl common with wheatland, bensulfuron-methyl, thiophene
The ALS inhibitor such as sulphur is grand, flucarbazone, florasulam are different, by the change of action site, to ALS inhibitor（Sulfonylureas
Class, sulfonamides）The Weed-control effect for producing resistance is notable.
It is pointed out that the proportioning of herbicidal active component of the present invention and herbicide-safener is by system
What experiment obtained, the preventive effects of the Herbicidal combinations antagonism weeds is surveyed and field experiment multiple authentication by raw, produced
Beneficial effect there are sufficient data to support, those skilled in the art cannot be obtained acquired by the present invention by logic analysis
Conclusion and test effect.
Embodiment
The present invention is illustrated by taking the following example as an example, but does not limit the present invention.Each preparation case study on implementation is real with biology
It is corresponding to apply example.
Example of formulations
Example of formulations 1：18% mesotrione isoxadifen（15:3）Suspending agent
By 150 grams of mesotrione, 30g grams of isoxadifen, 55 grams of alkylphenol polyoxyethylene ether phosphate, multi-styrene phenol gathers
42 grams of ethylene oxide ether phosphate, puts into mixing kettle, and colloid mill is crossed after being uniformly mixed, and is sanded afterwards into sand mill,
Then 200 grams, sodium benzoate 14g of 1% xanthan gum solution is added, 30 grams of ethylene glycol, 479 grams of deionized waters, are stirred in cutter
Uniformly, up to 18% mesotrione isoxadifen（15:3）Suspending agent.
Example of formulations 2：24% mesotrione cyclopropyl-sulfonylamide（21:3）Dispersible oil-suspending agent
Be pumped into container in 545 grams of methyl oleates, by 100 grams of NONYL PHENOL POLYOXYETHYLENEs, 30 grams of sorbitan fatty acid, 50 grams
Calcium dodecyl benzene sulfonate is added in container, then adds 240 grams of mesotriones, 30 grams of cyclopropyl-sulfonylamides while stirring, 5 grams have
Machine bentonite.Then high speed shear is uniformly mixed material in 30 minutes.Circulation water management sand mill is opened below 40 degree, thing
For material by being sanded, fineness crosses 325 mesh sieves, up to 24% mesotrione cyclopropyl-sulfonylamide（21:3）Dispersible oil-suspending agent.
Example of formulations 3：56% mesotrione mefenpyrdiethyl brassin lactones（50:5.9:0.1）Wettable powder
Successively by 500 grams of mesotrione, 59 grams of mefenpyrdiethyl, 1 gram of brassin lactones, 30 grams of white carbon, calcined kaolin 330
Gram, 30 grams of lauryl sodium sulfate, in 50 grams of input cone-type mixers of naphthalenesulfonate formaldehyde condensation compound, mixing makes material in 30 minutes
It is uniformly mixed, 325 mesh is crushed to through airslide disintegrating mill, then material is mixed 30 minutes in Agravicmixer, up to 56% nitre
Sulphur humulone mefenpyrdiethyl brassin lactones（50:5.9:0.1）Wettable powder.
Example of formulations 4：30% mesotrione furilazole（24:6）Suspending agent
By 40 grams of multi-styrene phenol polyoxyethylene phosphonate triethanolamine salts, 35 grams of fatty alcohol polyoxyethylene ether, 25 grams of castors
In sesame oil polyoxyethylene ether input mixing kettle, 240 grams of mesotriones, 60 grams of furilazoles, stirring are then added while stirring
Colloid mill is crossed after mixing, is sanded afterwards into sand mill, then adds 25 grams of aluminium-magnesium silicate aqueous solutions, 50 gram of 1% xanthans
Aqueous solution, 3.5 grams of sodium benzoates, 30 grams of ethylene glycol, 542 grams of water are supplied, and high speed shear is uniformly mixed material in 30 minutes, i.e.,
Obtain 30% mesotrione furilazole（24:6）Suspending agent.
Example of formulations 5：70% mesotrione fenchlorazole（63:7）Water dispersible granules
Successively by 630 grams of mesotriones, 70 grams of fenchlorazoles, 60 grams of polycarboxylates, 30 grams of lauryl sodium sulfate, kaolin 210
Gram, put into mixing kettle pilot scale material material and be uniformly mixed, then cross airslide disintegrating mill, fineness of materials crosses 325 mesh sieves.Add water
150 milliliters or so are mixed into wet feed, and wet method makes 20 mesh grains, are dried in pallet in hot-air oven when 45 DEG C or so drying 2 are small
After dry, after 18 mesh sieve whole grains, up to 70% mesotrione fenchlorazole（63:7）Water dispersible granules.
Preventive effect embodiment
Preventive effect is influenced by factors such as environment, pesticide application technologies during the practical application of herbicide field, inventor is by as above example of formulations
Respective sample is configured to, with reference to " National Standard of the People's Republic of China's pesticide field efficacy medicine test criterion（One）Herbicide is prevented
Wheat crops ground weeds GB/T17980.41-2000 " design field efficacies and safety testing, with clear and definite Herbicidal combination of the present invention
Thing field efficacy and the security to wheat crops.Specific test operation is as follows：
Test medicine：Example of formulations 1 ~ 5, it is specific as follows：
Example of formulations 1：18% mesotrione isoxadifen（15:3）Suspending agent
Example of formulations 2：24% mesotrione cyclopropyl-sulfonylamide（21:3）Dispersible oil-suspending agent
Example of formulations 3：56% mesotrione mefenpyrdiethyl brassin lactones（50:5.9:0.1）Wettable powder
Example of formulations 4：30% mesotrione furilazole（24:6）Suspending agent
Example of formulations 5：70% mesotrione fenchlorazole（63:7）Water dispersible granules
Comparison medicament：10% tribenuron-methyl wettable powder（WP）, 15% mesotrione oil dispersion（OD）
Pilot survey object：Medicament is investigated to the preventive effect of various weeds and total careless preventive effect, investigates medicine ensuing crop security.Wheat paddock
Experimental field it is selected from Shui Po villages, conventional wheat kind（Jimai 22）, field main weeds are bromegrass, Triticum tauschii, shepherd's purse, little Hua sugar
Mustard, Descurainia sophia, Herba Galii Teneri etc..
Former years medicining condition：Field weeding uses tribenuron-methyl throughout the year, in recent years and arranges in pairs or groups using flucarbazone and methyl two
Sulphur is grand etc..
Spraying time：50d after wheat cultivation, weeds in field all sprout substantially, mostly in 2 ~ 6 leaf phases.The dispenser same day is minimum
Temperature is more than 5 DEG C.
Application method and field management：By local farming method.
Quarter Design：The random district's groups arrangement of cell, per 30 square metres of cell, 4 repetitions.
Preventive effect is investigated：Absolute-value scheme, randomly chooses per cell at 4 points, and 0.25 square metre every is sampled, statistics weeds strain
Number, calculates strain preventive effect（E1）.
CK0For number of weeds before dispenser, CK1For number of weeds after dispenser；Pt0For number of weeds before treatment region dispenser, Pt1For processing
Number of weeds after area's dispenser.
Crop is investigated：Observation medicament whether there is poisoning to crop, records the type and extent of poisoning.
Result of the test：
1 mesotrione of table and safener combination are to wheat paddock main weeds preventive effect
By upper table data as it can be seen that due to using tribenuron-methyl throughout the year, Descurainia sophia, Herba Galii Teneri, shepherd's purse generate different degrees of resistance,
The resistance of wherein Herba Galii Teneri is most strong, and preventive effect is only 68.18%, and preventive effect is undesirable；In addition, tribenuron-methyl, which is used alone, cannot prevent field
Between grassy weed, seedling stage and crop strive water and strive fertile serious, and Seedling Stage is not easy to wheat seeding differentiation, can only manually extract in the later stage,
Greatly increase production cost.It is miscellaneous that the preventive effect of as above 5 more broad leaved weeds of example of formulations involved in the present invention is better than grass family
Careless preventive effect, preventive effect can reach more than 90%, to the preventive effect of bromegrass more than 85%, can especially control more than 50% malignant weed
Triticum tauschii.In current cornfield herbicidal market, in addition to mesosulfuron, Triticum tauschii is without effective pesticide control, and mesosulfuron
It is high using technical requirements, easily there is poisoning, also promote Triticum tauschii to start to occur in more areas, and become dominant weed.
Reaction of the observation post administration wheat to test medicine, example of formulations of the present invention according to mesotrione effectively into
Dividing 12.5g/ mus of dosage, tiller number is suitable with blank control, no symptom of chemical damage in use, the equal growing way of wheat seeding is normal.And comparison medicine
15% mesotrione OD dosages of agent have showed obvious alphosis when being 10g/ mus, and part old leaf dries up death, lobus cardiacus albefaction,
Whole strain growth is suppressed obvious, and tiller number is reduced.
Security embodiment
The present inventor have chosen domestic common cereal crop wheat, oat, highland barley, barley, with reference to farm-chemical indoor determination
The 6th part of test rule herbicide：Active determination test cauline leaf spray-on process carries out safety testing to seedling stage crop.
Test medicine：1,2,3 in above-mentioned example of formulations are selected, set two dosage 12.5ga.i./mus respectively,
25ga.i./mu, medicament is compared with 15% mesotrione OD10ga.i./mu.
Crop seedling condition of culture：Nutritive cube is sowed, per 15 seeds of alms bowl, 15-25 DEG C of culture, light application ratio 14/ in greenhouse
10, water at regular time and quantity, it is spare to the 3-4 leaf phases to treat that seedling grows.
Investigation index：Crop color, form and growth change are investigated, counts fresh weight inhibition.
Result of the test：
7d, that is, each crop of visible comparison medicament processing shows obvious lobus cardiacus albefaction after medicine, and there have the old leaf blade tip phase to wilt to be dry
It is withered, subsequent albefaction, withered area increase, full wafer lobus cardiacus albefaction.The aggrieved lighter plant in 21d parts has new extraction normally after to medicine
Lobus cardiacus, most of old leaf dries up severe one, lobus cardiacus still albefaction, and growth inhibition is obvious.Each example of formulations 12.5ga.i./mu is used
Amount processing is suitable with blank control, and range estimation growing way suppresses without obvious, and leaf color is normal；25ga.i./mu dosage processing range estimation plant height is omited
It is short in blank control, blade is without symptom of chemical damage.
2 mesotrione of table and safener combination are to crop safety（30d after medicine）
By upper table data as it can be seen that when each example of formulations dosage is 25ga.i./mu, Different Crop fresh weight inhibition is in 4-13%
Between, 12.5ga.i./mu dosage processing inhibiting rate is less than 2%, can ignore.And to various during comparison medicament dosage 10ga.i./mu
The fresh weight inhibition of crop is more than more than 40%, and 30d, may be further still without recovery after estimating symptom of chemical damage to medicine
Aggravate even lethal.Such as applied in crop field according to the dosage, effective tillering before the winter will be seriously affected, cause the underproduction or total crop failure, passed through
Ji loss can not look down upon.
To sum up, it is main to bromegrass, Triticum tauschii, shepherd's purse, wallflower, Descurainia sophia, Herba Galii Teneri etc. the present invention relates to composition
Cereal crop field resistant weed preventive effect protrudes, and to crop safety, does not influence crop growing state and early winter tillers, be it is a kind of easy,
Efficiently, safe weeding scheme.
Above the present invention is described in detail with a general description of the specific embodiments, but in the present invention
On the basis of, some modification and improvement can be made to it, therefore, these modifications made without departing from theon the basis of the spirit of the present invention
And improvement, belong to the scope of protection of the invention.
Claims (10)
1. a kind of Herbicidal combinations for preventing resistant weed, said composition is made of herbicidal active component and safener, wherein removing
Careless active ingredient is mesotrione.
2. Herbicidal combinations according to claim 1, wherein herbicide-safener include isoxadifen, cyclopropyl-sulfonylamide,
Mefenpyrdiethyl, fenchlorazole, the careless quinoline of solution, furilazole, cloquintocet, dichloropropylene acid, chlorine oxalene peace, brassin lactones,
Gibberellin and all can be used for during herbicide use reducing or eliminating herbicide to one in the auxiliary agent of chemical injury of crops
Kind or two or more combinations, the also form comprising the various salt of above-mentioned safener or ester.
3. composition according to claim 1, wherein resistant weed are anti-sulfonylurea herbicide weeds, comprising Descurainia sophia,
Herba Galii Teneri, shepherd's purse, wallflower, amur foxtail, Alopecurus, bromegrass, wild oat, rye grass, annual bluegrass.
4. Herbicidal combinations according to claim 1, wherein mesotrione weight fraction scope are 1-99%.
5. Herbicidal combinations according to claim 1, wherein mesotrione weight fraction scope are 10-55%.
6. Herbicidal combinations according to claim 1, wherein herbicide-safener and mesotrione weight fraction proportion
For 1:2~10.
7. Herbicidal combinations according to claim 1, wherein herbicide-safener and mesotrione weight fraction proportion
For 1:4-8.
8. any Herbicidal combinations according to claim 1-7 can be processed into can suspending agent, dispersible oil-suspending agent, it is wettable
Property pulvis, water dispersible granules, any pesticidal preparations type of granule.
9. it can be used for wheat, barley, oat, rye, buckwheat, highland barley according to Herbicidal combinations described in claim 1-8.
10. according to Herbicidal combinations described in claim 1-9, it is in the best period of the crop fields application：Wheat crops seedling
To tillering stage, i.e., can be applied before the winter to after turning green, it is especially good with application effect after turning green.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710066434.5A CN108013033A (en) | 2017-02-07 | 2017-02-07 | A kind of Herbicidal combinations for preventing resistant weed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710066434.5A CN108013033A (en) | 2017-02-07 | 2017-02-07 | A kind of Herbicidal combinations for preventing resistant weed |
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| CN108013033A true CN108013033A (en) | 2018-05-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114081035A (en) * | 2021-12-01 | 2022-02-25 | 内蒙古农业大学 | Technique for preventing and killing off wild millet and barnyard grass in oat field by mesotrione |
-
2017
- 2017-02-07 CN CN201710066434.5A patent/CN108013033A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114081035A (en) * | 2021-12-01 | 2022-02-25 | 内蒙古农业大学 | Technique for preventing and killing off wild millet and barnyard grass in oat field by mesotrione |
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Application publication date: 20180511 |
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| WW01 | Invention patent application withdrawn after publication |