CN110024794A - A kind of herbicidal composition containing topramezone and sulfentrazone suitable for corn field - Google Patents
A kind of herbicidal composition containing topramezone and sulfentrazone suitable for corn field Download PDFInfo
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- CN110024794A CN110024794A CN201910391273.6A CN201910391273A CN110024794A CN 110024794 A CN110024794 A CN 110024794A CN 201910391273 A CN201910391273 A CN 201910391273A CN 110024794 A CN110024794 A CN 110024794A
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- sulfentrazone
- topramezone
- corn field
- herbicidal composition
- corn
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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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- 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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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Abstract
The invention belongs to pesticide herbicide technical fields, provide a kind of herbicidal composition for containing topramezone and sulfentrazone suitable for corn field, and topramezone and sulfentrazone weight ratio range are 1:0.625-1:40.Herbicidal composition provided by the invention has good synergistic effect or addition for preventing and kill off the annual grassy weeds such as weeds herba setariae viridis, barnyard grass, piemarker and the purslane of corn field.The present invention expands degrass spectrum, enhances preventive effect, quick-acting and lasting effect effective supplement, and avoiding to be prevented and kill off using single herbicide will lead to Weed Resistance and quickly occur, and delays the generation of herbicide resistance, reduces dosage, reduces use cost, mitigates environmental pollution.
Description
Technical field
The invention belongs to pesticide herbicide technical fields, and in particular to one kind is suitable for corn field and contains topramezone and first
The herbicidal composition of sulphur grass amine.
Background technique
China is corn major producing country in the world, about 300,000,000 mu of long-term cultivated area or so, Huang-Huai-Hai be China most
Big Summer Maize growing area.Planting type is mostly that wheat-corn yields two crops a year, and plantation form is largely interplanting or iron stubble
Sowing.Corn field weed type is more, and growth is fast, and easily formation crop smothering, corn field main weeds have herba digitariae, herba eleusines indicae, barnyard grass, dent
Amaranth, Amaranthus retroflexus, field bindweed, Chenopodiaceae, herba eragrostidis pilosae, setaria viridis, the rhizome of nutgrass flatsedge, iron amaranth grass, black nightshade etc..Crop smothering is seriously threatening corn just
It is frequently grown, is to restrict corn with high yield, stable yields, good significant obstacle.Weeds and corn contention moisture, nutrient, illumination and space,
Deteriorate the growing environment of corn, influences the normal growth of Maize at Seedling Stage.General time, Weed infestation can make the corn underproduction 1
~2 one-tenth, 3~5 one-tenth of underproduction when serious.Corn field weed prevention and treatment is important link in maize production.
Herbicide is the common measure of current corn field weed prevention and treatment, promotion corn yield is improved and saved planting cost
It plays an important role.But long-term, the large scale application of herbicide, making farmland weed chemical control, there are weeds to resist
Property, population succession and drug injury problem be on the rise, seriously affect the high yield and the safety of good harvest and succession crop of corn.Make for a long time
It is prevented and kill off with single herbicide and will lead to the decline of susceptible weeds quantity, insensitive or malignant weed quantity rises, and causes weed control
It falls and changes, seriously affected the harvest of corn crop yield.
Sulfentrazone, English name Sulfentrazone, alias N- (2,4-Dichloro-5- (4-
(difluoromethyl)-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenyl)
Methanesulfonamide, name of product N- (2,4- bis- chloro- 5- (4- difluoromethyl -4,5- dihydro -3- methyl -5- oxos -
1H-1,2,4- triazol-1-yls) phenyl) Methanesulfomide, molecular formula C11H10Cl2F2N4O3S, molecular weight 387.19, CAS accession number
122836-35-5.Belong to low toxicity herbicide.Raw medicine rat acute LD50 > 2855 mg/kg, Acute inhalation LC504.14
Mg/litre, the medicine is irritating to lagophthalmos to rabbit skin minimal irritation, to fish low toxicity.Belong to proporphyrinogen oxidase inhibitor.It is logical
Inhibition proporphyrinogen oxidase is crossed, makes to generate excessive protoporphyrin IX in plant cell, the latter is photosensitizer, causes to generate into the cell
Active oxygen eventually leads to cell membrane, the rupture such as vesicular membrane, the exudation of cell Dissolve things inside, death of drying up.Soil half-life period 110-280
It, cauline leaf process, soil treatment.It leads a cow suitable for the Tanakas such as corn, sorghum, soybean, peanut prevention and treatment, is Amaranthus retroflexus, Chenopodiaceae, graceful
Top sieve, herba digitariae, herba setariae viridis, Siberian cocklebur, herba eleusines indicae, rhizome of nutgrass flatsedge etc. 1 year raw broadleaf weeds, gramineae weed and nutgrass flatsedge etc..
Topramezone, Chinese nickname: [3- (4,5- dihydro -3- isoxazolyl) -2- methyl -4- (methylsulfonyl) phenyl] (5-
Hydroxyl -1- methyl-1 H- pyrazoles -4- base) ketone；[3- (4,5- dihydro -3- isoxazolyl) -4- sulfonyloxy methyl -2- methylbenzene]
5- hydroxyl -1- methyl-1 H- pyrazoles -4- base) ketone；Benzene pyrazoles humulone；Pyrrole grass sulphur；English name: TOPRAMEZONE； [3-
(4,5-Dihydro-3-isoxazolyl)-2-methyl-4-(methylsulfonyl)phenyl](5-hydroxy-1-
methyl-1H-pyrazol-4-yl)methanone； bas 670； Hsdb 7500； Topramezone [iso]；CAS
No.:210631-68-8；No. EINECS: 606-699-4；Molecular formula: C16H17N3O5S.Topramezone (Topramezon) is bar
First benzene methyl pyrazolone herbicide of Si Fu exploitation, also belongs to p-hydroxybenzene pyruvic acid (HPP) ester dual oxide enzyme (HPPD) class
Inhibitor, to glyphosate tolerant, triazines, acetolactate synthestase (ALS) inhibitor and acetyl coenzyme A carboxylase
(ACCase) weeds of inhibitor have good preventive effect, can there is the main grass family prevented and kill off in world wide on corn crop
Weeds and broadleaf weeds.
Exploitation new product herbicide is expensive, the period is long, and in contrast, exploitation is efficient, less toxic, low-residual with research
With investing, small, the lead time is short with mixture for compounding.Reasonable chemical herbicide compounding or mixture, which have, expands degrass spectrum, improves
Control efficiency extends application period, reduces dosage, reduce phytotoxicity risk, reduce residual, delay weeds drug resistance and drug resistance
Generation and development the advantages that, so selecting suitable mixture of herbicides or mixture is solve the above problems maximally efficient and warp
One of method of Ji；However because the mechanism of action is complicated between mixed pesticide, after combination whether shadow of the synergy by many factors
It rings, only dependence experimental result is verified, and can not be expected.
Summary of the invention
To solve the deficiency in the prior art, it is suitable for corn field the present invention provides one kind and contains topramezone and methylsulphur
The herbicidal composition of careless amine.
The present invention is achieved by the following technical solutions:
The present invention provides a kind of herbicidal composition for containing topramezone and sulfentrazone suitable for corn field, topramezones
It is 1:0.625-1:40 with sulfentrazone weight ratio range.
Preferably, topramezone and sulfentrazone weight ratio range are 1:0.625-1:20.
It is furthermore preferred that topramezone and sulfentrazone weight ratio range are 1:2.5-1:10.
Preferably, topramezone and sulfentrazone weight ratio are 1:2.5,1:5 or 1:10.
Preferably, the topramezone and sulfentrazone weight ratio are 1:3 or 1:7.
Preferably, the topramezone and sulfentrazone weight ratio are 1:0.625,1:1.25,1:20 or 1:40.
The herbicidal composition preparation is missible oil, aqueous suspension agent, oil-suspending agent, wettable powder, granule or water
The acceptable dosage form of the pesticides such as dispersible granule.
The herbicidal composition is used to prevent and kill off weeds herba setariae viridis, barnyard grass, piemarker and the purslane of corn field.
The beneficial effects of the present invention are:
1. expanding degrass spectrum, quick-acting and lasting effect obtain effective supplement.Weeds are anti-after sulfentrazone is compounded with topramezone
Except spectrum has complementary advantages, there is good effect to corn field broadleaf weeds and gramineae weed, and quick-acting and lasting effect are excellent.
2. enhancing preventive effect.Interaction type is addition and has synergy after first sulfentrazone is compounded with topramezone
Effect, preventive effect enhancing are better than effect is applied alone.
3. avoiding to be prevented and kill off using single herbicide will lead to Weed Resistance and quickly occur, delay the hair of herbicide resistance
It is raw.
4. reducing dosage, use cost is reduced, mitigates environmental pollution.
Specific embodiment
The present invention will be further described With reference to embodiment, but the present invention should not be interpreted as limited to these
Embodiment.
Sulfentrazone, topramezone configuration aqueous suspension agent method are as follows: sulfentrazone raw medicine, topramezone raw medicine, electricity consumption
Sub- balance weighs quantitative sulfentrazone, topramezone raw medicine respectively, after emulsifier special dissolution is first added, adds 2 times
It is spare that n,N-Dimethylformamide to being completely dissolved, with 0.1% Tween-80 aqueous solution is diluted to mother liquor.
The screening of 1 formula indoor of embodiment
1.1 experimental condition
It is herba setariae viridis, barnyard grass, piemarker and purslane for examination weeds.The culture of test test material, temperature 25- are carried out in glasshouse
35 DEG C, natural lighting.Quantitative herba setariae viridis, barnyard grass, piemarker, purslane seed are sowed in the plastic tub that diameter is 9 cm, are covered
Native 1-2 mm is put into the enamel tray equipped with water, water is allowed gradually to penetrate into, is transferred to phjytotron after waiting water to be seeped into native table and waits for
With.
In addition to 1-2 days after spray cannot water, the periodically moisturizing in a manner of the infiltrating irrigation of bottom, to keep soil moisture.
1.2 experimental design
Reagent agent is 88% topramezone raw medicine, 91% sulfentrazone raw medicine.Weigh quantitative benzene azoles respectively with electronic balance
Humulone, sulfentrazone raw medicine after emulsifier special dissolution is first added, add 2 times of n,N-Dimethylformamide to completely molten
Solution, it is spare to be diluted to 1% mother liquor with 0.1% Tween-80 aqueous solution.
Topramezone sets 7.5,15,30,60 ga.i./ha, and sulfentrazone sets 37.5,75,150,300 ga.i./ha.Often
A medicament various dose uses to obtain different mixed dosage with two-by-two.
It tests in herba setariae viridis, 1 heart stage of 2 leaf of barnyard grass, 2 needle phase of piemarker, the processing of purslane 3-5 leaf phase cauline leaf even spraying.
Sprinkling system, Fan spray head, in conjunction with sprinkler pressure, flow etc., by practical spray face are automatically controlled using ASS-4 type
Product (1.1 m2) 50 mL medical fluids of sprinkling (equivalent 30 L of mu water consumption), the speed of service has been debugged, plastic tub to be processed is uniform
It is arranged on spraying platform, even spraying processing.0.4 MPa of atomisation pressure, Fan spray head flow 800mL/min.It is supreme by low amounts
Amount successively sprays.Every processing is repeated 4 times.
1.3 test results calculate
With synergy type of the Gowing method evaluation after mixed.
Gowing law theory preventive effect calculating formula are as follows:
X, Y are respectively the anti-valid value of actual measurement (%) of two single doses in formula, and E is the anti-valid value of actual measurement (%) that different ratio is used with, E0For
Theoretical anti-valid value (%).As E- E0It is addition, E- E when between -5-50It is synergistic effect, E- E when > 50It is short of money when < -5
Anti- effect.
1 topramezone of table and sulfentrazone mixture synergy indoor measurement-Gowing method
Test result show topramezone to corn field broadleaf weeds piemarker, purslane and gramineae weed barnyard grass have compared with
Good effect, speed of action is slightly slow, with weed growth after application, newly goes out blade albefaction, death of then gradually drying up, and dosage is low
Processing have and turn green, but topramezone is slightly poor to another gramineae weed herba setariae viridis effect；Another medicament sulfentrazone pair
Gramineae weed herba setariae viridis, barnyard grass and broadleaf weeds piemarker have good effect, to another broadleaf weeds purslane effect
Slightly lower, the pharmacy effect speed is fast, and 2 days weeds start to dry up after application, then dead.
After topramezone is compounded with sulfentrazone, quick-acting and lasting effect are complementary, very well, to herba setariae viridis, barnyard grass, piemarker
There is good effect with purslane, and compounding effect belongs to apparent synergistic effect, topramezone and sulfentrazone weight
Than showing as synergy or addition, topramezone and first in 1:0.625,1:1.25,1:2.5,1:5,1:10,1:20,1:40
Sulphur grass amine weight ratio shows as synergistic effect in 1:0.625,1:1.25,1:2.5,1:5,1:10,1:20, recommends topramezone
30-60g a.i./ha and sulfentrazone 150-300g a.i./ha compounding, i.e. topramezone: sulfentrazone 1:2.5-10.
The measurement of 2 field efficacy of embodiment
2.1 experimental condition
2.1.1 the selection of crop and cultivar
Summer corn, kind are the single sowing on June 12nd, 981,2018 in Shandong, 4500/mu of single grain fine sowing.Spacing in the rows 0.6m, line-spacing
0.25m。
2.1.2 the selection of subjects weeds
Herba digitariae, barnyard grass, herba setariae viridis, purslane.
2.1.3 cultivation condition
Test corn field is located at Jinan City, Shandong Province Jiyang area peace town.Experimental field be loam, the content of organic matter 1.6% or so,
PH value 7.6.Experimental plot weeding control effect is uniform, so not applying other herbicides during entire test；Have no that disease pest is sent out when application
Raw, in addition corn seeding applies 50kg Controlled Release Fertilizer per acre simultaneously.
It is smooth to test topography, management is consistent, and it is preferable that fertility and water pour condition.
Experimental field preceding stubble plants wheat, and herbicide used is florasulam+azoles humulone.
2.2 experimental design
2.2.1 test medicine
30% topramezone suspending agent, 40% sulfentrazone suspending agent, 30% topramezone sulfentrazone suspending agent (pass through indoor examination
It tests 3 proportions of recommended ratio design and 30% topramezone sulfentrazone suspending agent is made, topramezone: sulfentrazone is respectively 1:
3,1:5,1:7).
2.2.2 application method
Spraying instrument is noncomparable advanced knapsack sprayer, tests each processing by per hectare and is watered 450 liters of even sprayings.In
The processing of corn field annual grassy weeds 2-5 leaf phase cauline leaf even spraying.
2.2.3 spraying time and number
It tests and is carried out on June 25th, 2018, application is primary altogether.Corn 3-5 leaf, grows fine when application；Weeds in field 2-5
Ye Qi, based on herba digitariae, barnyard grass, herba setariae viridis, purslane.
2.3 drug effect calculation methods
Calculation formula:
2 30% topramezone sulfentrazone suspending agent of table is applied to corn field effect measuring (30d is investigated after application)
Test result shows that 30% topramezone suspending agent is fine to herba digitariae, barnyard grass, herba setariae viridis, purslane effect, after application
With weed growth, newly going out blade albefaction influences growth, then gradually dead, but trial zone is prevented and kill off and is not thorough；40% methylsulphur grass
Amine suspending agent has good effect, and work fast to herba setariae viridis, barnyard grass, purslane, hops to it within the 2nd day after application withered
It dies, but the later period has part to turn green.
30% topramezone sulfentrazone suspending agent of the two compound preparation integrates two single dose advantages, and quick-acting and lasting effect are equal
Excellent, weed control spectrum has complementary advantages, and has to experimental plot gramineous weeds sativa, barnyard grass, herba setariae viridis and broadleaf weeds purslane
Good effect, 4 proportions are better than two single doses.
30% topramezone sulfentrazone suspending agent is safe to corn.
The measurement of 3 field efficacy of embodiment
3.1 experimental condition
3.1.1 the selection of crop and cultivar
Corn variety is to step on extra large sowing on June 13rd, 605,2018, and single grain fine sowing 4500 is per acre.0.6 m of spacing in the rows.
3.1.2 the selection of subjects weeds
Herba setariae viridis, barnyard grass, piemarker, Amaranthus retroflexus.
3.1.3 cultivation condition
Test corn field is located at Shandong Province, the village city-level Suo Zhenlong village, Tengzhou.Experimental field be loam, the content of organic matter 1.4% or so,
PH value 7.8.Experimental plot weeding control effect is uniform, so not applying other herbicides during entire test.
It is smooth to test topography, management is consistent, and it is preferable that fertility and water pour condition.
Experimental field preceding stubble plants wheat, and herbicide used is mesosulfuron+florasulam.
3.2 experimental design
3.2.1 test medicine
30% topramezone suspending agent, 40% sulfentrazone suspending agent, 30% topramezone sulfentrazone suspending agent (pass through indoor examination
It tests 3 proportions of recommended ratio design and 30% topramezone sulfentrazone suspending agent is made, topramezone: sulfentrazone is respectively 1:
3,1:5,1:7).
3.2.2 application method
Spraying instrument is noncomparable advanced knapsack sprayer, tests each processing by per hectare and is watered 450 liters of even sprayings.In
The raw weeds 2-5 leaf phase cauline leaf even spraying processing of Winter Corn field overwintering the previous year.
3.2.3 spraying time and number
It tests and is carried out on July 3rd, 2018, application is primary altogether.Corn is in the 3-4 leaf phase when application.
3.3 drug effect calculation methods
Calculation formula:
3 30% topramezone sulfentrazone suspending agent of table is applied to corn field effect measuring (25d is investigated after application)
Test result shows that 30% topramezone suspending agent has good effect to barnyard grass, piemarker, Amaranthus retroflexus, imitates to herba setariae viridis
Fruit is slightly lower；40% sulfentrazone suspending agent is also preferable to various weeds effects, which is work fast, but should
The medicament later period has part to turn green.30% topramezone sulfentrazone suspending agent of the two compound preparation integrates two single dose advantages, quick-acting
Property and lasting effect are fine, have well to experimental plot broadleaf weeds piemarker, Amaranthus retroflexus and gramineae weed herba setariae viridis, barnyard grass
Effect, 3 proportion far better than two single doses.
30% topramezone sulfentrazone suspending agent is safe to corn.
The above is only the preferred embodiment of this patent, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the art of this patent principle, several improvement and replacement can also be made, for example on this basis
The herbicides such as atrazine or Garagard are added, these are improved and replacement also should be regarded as the protection scope of this patent.
Claims (8)
1. a kind of herbicidal composition for containing topramezone and sulfentrazone suitable for corn field, it is characterised in that: benzene azoles grass
Ketone and sulfentrazone weight ratio range are 1:0.625-1:40.
2. a kind of combinations of herbicides for containing topramezone and sulfentrazone suitable for corn field according to claim 1
Object, it is characterised in that: the topramezone and sulfentrazone weight ratio range are 1:0.625-1:20.
3. a kind of combinations of herbicides for containing topramezone and sulfentrazone suitable for corn field according to claim 2
Object, it is characterised in that: the topramezone and sulfentrazone weight ratio range are 1:2.5-1:10.
4. a kind of combinations of herbicides for containing topramezone and sulfentrazone suitable for corn field according to claim 3
Object, it is characterised in that: the topramezone and sulfentrazone weight ratio are 1:2.5,1:5 or 1:10.
5. a kind of combinations of herbicides for containing topramezone and sulfentrazone suitable for corn field according to claim 3
Object, it is characterised in that: the topramezone and sulfentrazone weight ratio are 1:3 or 1:7.
6. a kind of combinations of herbicides for containing topramezone and sulfentrazone suitable for corn field according to claim 1
Object, it is characterised in that: the topramezone and sulfentrazone weight ratio are 1:0.625,1:1.25,1:20 or 1:40.
7. a kind of combinations of herbicides for containing topramezone and sulfentrazone suitable for corn field described in -6 according to claim 1
Object, it is characterised in that: the herbicidal composition preparation is missible oil, aqueous suspension agent, oil-suspending agent, wettable powder, particle
The acceptable dosage form of the pesticides such as agent or water dispersible granules.
8. a kind of combinations of herbicides for containing topramezone and sulfentrazone suitable for corn field described in -6 according to claim 1
Object, it is characterised in that: the herbicidal composition is used to prevent and kill off weeds herba setariae viridis, barnyard grass, piemarker and the purslane of corn field.
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Cited By (1)
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| CN110024795A (en) * | 2019-05-14 | 2019-07-19 | 山东省农业科学院植物保护研究所 | A kind of herbicidal composition containing topramezone and sulfentrazone suitable for wheat paddock |
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| CN107232209A (en) * | 2017-07-14 | 2017-10-10 | 浙江天丰生物科学有限公司 | Ternary weeding composition |
| CN107372557A (en) * | 2017-08-11 | 2017-11-24 | 浙江天丰生物科学有限公司 | A kind of synergistic herbicidal compositions |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104855395A (en) * | 2015-05-24 | 2015-08-26 | 安徽丰乐农化有限责任公司 | Post-emergence herbicide composition containing topramezone, sulfentrazone and atrazine and used for corn |
| CN106376579A (en) * | 2016-12-01 | 2017-02-08 | 山东润博生物科技有限公司 | Isoxaflutole/sulfentrazone-containing weedicide composition and application thereof |
| CN107232209A (en) * | 2017-07-14 | 2017-10-10 | 浙江天丰生物科学有限公司 | Ternary weeding composition |
| CN107372557A (en) * | 2017-08-11 | 2017-11-24 | 浙江天丰生物科学有限公司 | A kind of synergistic herbicidal compositions |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110024795A (en) * | 2019-05-14 | 2019-07-19 | 山东省农业科学院植物保护研究所 | A kind of herbicidal composition containing topramezone and sulfentrazone suitable for wheat paddock |
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