CN108835117A - A kind of herbicidal composition containing sulfentrazone and fluroxypyr - Google Patents
A kind of herbicidal composition containing sulfentrazone and fluroxypyr Download PDFInfo
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- CN108835117A CN108835117A CN201811111598.6A CN201811111598A CN108835117A CN 108835117 A CN108835117 A CN 108835117A CN 201811111598 A CN201811111598 A CN 201811111598A CN 108835117 A CN108835117 A CN 108835117A
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- fluroxypyr
- sulfentrazone
- herbicidal composition
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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
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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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to pesticide herbicide technical fields, provide a kind of herbicidal composition containing sulfentrazone and fluroxypyr, and sulfentrazone and fluroxypyr weight ratio range are 16:1-0.25:1.Sulfentrazone and fluroxypyr compound comprehensive two single dose advantages, and weed control spectrum has complementary advantages, and quick-acting and lasting effect are fine, have good effect to test field weed Descurainia sophia, shepherd's purse, clearvers.The present invention expands degrass spectrum, enhances preventive effect, 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 a kind of containing sulfentrazone and fluroxypyr
Herbicidal composition.
Background technique
Wheat is one of China's Three major grain crops, and cultivated area and total output are only second to rice, national cultivated area
Up to more than 3,000 ten thousand hectares, about 4.5 hundred million mu, the 22%-30% of national cultivated area, the about 20%- of cereal crops sown area are accounted for
27%, about 100,000,000 tons of wheat total output, reach the 22% of total output of grain（Wu Mingrong etc., 2013, pesticide）.Wheat is that China is main
Commodity food and strategic reserves grain kind, in grain-production, circulation and consumption have critical role, develop Wheat Production to me
State's national economic development and people's lives are of great significance.
But the weeds of wheat paddock have great threat to Wheat Production.According to national weeds reconnaissance information, China wheat
Field weed type has more than 200 kinds, and crop smothering area accounts for 30% or more of wheat planting area, and loss accounts for about wheat total output
15%.Therefore wheat weeds prevention and treatment is one of important process of wheat planting.
Herbicide is the common measure of current wheat weeds prevention and treatment, promotion wheat yield is improved and saved planting cost tool
There is important role.But herbicide it is long-term, be widely applied, make farmland weed chemical control there are Weed Resistance,
Population succession and drug injury problem are on the rise, and seriously affect the high yield and the safety of good harvest and succession crop of wheat（Wei Youhai, lake
Northern agricultural sciences, 2011.4）.Long-time service single herbicide, which is prevented and kill off, will lead to the decline of susceptible weeds quantity, insensitive or evil
Property weeds quantity rise, cause weed community to change, seriously affected the harvest of wheat 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 mgs/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..
Fluroxypyr, Chinese nickname：The two fluoro- 2- pyridine fluoroacetic acid of chloro- 6- of 4- amino -3,5-;Fluroxypramide;4- ammonia
Base -3,5- dichloropyridine fluoroacetic acid；English name：Fluroxypyr；No. CAS：69377-81-7；Molecular formula：
C7H5Cl2FN2O3；Molecular weight：255.0306.Fluroxypyr belongs to pyridine fluoroacetic acid class herbicide.With Uptake and translocation
Effect has typical hormone like herbicide to react.It is used after seedling, the reaction of classical hormones class herbicide occurs in sensitive crop.?
On cereal crop using optimum period it is wider, can be used for the ground such as wheat, barley, corn, grape and orchard, pasture, forest farm prevent and kill off it is wealthy
Leaf weeds, such as clearvers, field bindweed, shepherd's purse, herba stellariae mediae, volume stem amaranth, purslane weeds.But it is used in chlorine fluorine pyrrole oxygen second above wheat
Acid encounters especially arid year, and fluroxypyr effect is bad, because too dry, it is bad that interior suction passes to effect.It is not recommended that
It is mixed with triazole bactericidal agent, it is such as common：Difenoconazole, propiconazole etc..Triazole bactericidal agent encounters special weather,
It itself will inhibit the growth of wheat, mixed fluroxypyr can only can aggravate phytotoxicity.
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, the present invention provides a kind of removing containing sulfentrazone and fluroxypyr
Careless agent composition.
The present invention is achieved by the following technical solutions：
A kind of herbicidal composition containing sulfentrazone and fluroxypyr, sulfentrazone and fluroxypyr weight ratio
Example range is 16:1-0.25:1 .
Preferably, sulfentrazone and fluroxypyr weight ratio range are 8:1-1:1.
It is furthermore preferred that sulfentrazone and fluroxypyr weight ratio range are 4:1-1:1.
It is furthermore preferred that the sulfentrazone and fluroxypyr weight ratio range are 4:1,3:1,2:1,1:1.
Preferably, the sulfentrazone and fluroxypyr weight ratio range are 16:1,8:1,0.5:1,0.25:
1、。
Herbicidal composition preparation is missible oil, aqueous suspension agent, oil-suspending agent, wettable powder, granule or water-dispersible grain
The acceptable dosage form of the pesticides such as agent.
Herbicidal composition is used to prevent and kill off weeds Descurainia sophia, Veronica, shepherd's purse, the clearvers of wheat paddock.
The beneficial effects of the invention are as follows：
1. expanding degrass spectrum.Sulfentrazone and fluroxypyr compound comprehensive two single dose advantages, and it is mutual that advantage is composed in weed control
It mends, quick-acting and lasting effect are fine, have good effect to test field weed Descurainia sophia, shepherd's purse, clearvers.
2. enhancing preventive effect.Interaction type is addition and has after first sulfentrazone is compounded with fluroxypyr
Synergistic 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.
1 sulfentrazone of embodiment, fluroxypyr configure suspending agent
Reagent agent is 91% sulfentrazone raw medicine, 94% fluroxypyr raw medicine.It is weighed respectively with electronic balance quantitative
Sulfentrazone, fluroxypyr raw medicine add 2 times of n,N-Dimethylformamide after emulsifier special dissolution is first added
To being completely dissolved, it is spare that 1% mother liquor is diluted to 0.1% Tween-80 aqueous solution.
Sulfentrazone sets 45,90,180,360 ga.i./ha, fluroxypyr sets 22.5,45,90,180ga.i./
ha.Each medicament various dose uses to obtain different mixed dosage with two-by-two.
Sulfentrazone, fluroxypyr ratio are shown in Table 1.
1 sulfentrazone of table, fluroxypyr compound proportion
| Sulfentrazone | Fluroxypyr |
| 45 | 22.5 |
| 45 | 45 |
| 45 | 90 |
| 45 | 180 |
| 90 | 22.5 |
| 90 | 45 |
| 90 | 90 |
| 90 | 180 |
| 180 | 22.5 |
| 180 | 45 |
| 180 | 90 |
| 180 | 180 |
| 360 | 22.5 |
| 360 | 45 |
| 360 | 90 |
| 360 | 180 |
2 sulfentrazone of embodiment, fluroxypyr configure suspending agent
30% methyl tribenuron-methyl chlorine fluorine pyrrole oxygen second is prepared using 40% sulfentrazone suspending agent and 200g/L fluroxypyr missible oil
10% methyl tribenuron-methyl fluroxypyr suspending agent, sulfentrazone is made in sour suspending agent, dilution：Fluroxypyr is 1:1,
2:1、3:1、4:1。
The screening of 3 laboratory experiment of embodiment
No.1 experimental condition
It is Descurainia sophia, shepherd's purse, Veronica and clearvers for examination weeds.The training of test test material is carried out in the glasshouse for having heating
It supports, 15-25 DEG C of temperature, natural lighting.Quantitative weed seed is sowed in the plastic tub that diameter is 9 cm, weeds earthing 1-2
Mm, is put into the enamel tray equipped with water, water is allowed gradually to penetrate into, and it is stand-by to be transferred to phjytotron after waiting water to be seeped into native table.
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.
No.2 experimental design
Complex weedicide is configured according to method in embodiment 1, sulfentrazone sets 45,90,180,360 ga.i./ha, chlorine fluorine pyrrole oxygen
Acetic acid sets 22.5,45,90,180ga.i./ha.Each medicament various dose uses to obtain different mixed dosage with two-by-two.
It is tested in Descurainia sophia, shepherd's purse, Veronica 3-5 leaf phase；Clearvers 1-2 takes turns the processing of compound 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）Spray 50 mL medical fluids（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.
No.3 test result calculates
With synergy type of the Gowing method evaluation after mixed.
Gowing law theory preventive effect calculating formula is：
X, Y are respectively the anti-valid value of actual measurement of two single doses in formula（%）, E is the anti-valid value of actual measurement that different ratio is used with（%）, E0 is
Theoretical anti-valid value（%）.It is addition, E- E0 when E- E0 is between -5-5>It is synergistic effect, E- E0 when 5<It is short of money when -5
Anti- effect.
2 sulfentrazone of table and fluroxypyr mixture synergy indoor measurement-Gowing method
Test result shows sulfentrazone to the good effect of wheat paddock broadleaf weeds Veronica, and higher dosage processing is to broadcasting ma
Wormwood artemisia, shepherd's purse and clearvers effect are also preferable, and the pharmacy effect speed is fast, after application the 2nd day weeds hop to it is withered die, disadvantage
It is that the lower processing latter portions weeds of dosage can turn green part restoration ecosystem；The after the application of another medicament fluroxypyr
2 days weeds start to distort yellow, inhibit growth, have good effect to clearvers, also preferable to Descurainia sophia, shepherd's purse effect,
It is slightly lower to Veronica.
The experimental results showed that sulfentrazone and fluroxypyr mixture cooperate with Descurainia sophia, sulfentrazone with
Fluroxypyr mixture is 8:1,4:1,2:1,0.5:1 shows as synergistic effect, other ratios show as addition, does not have
There is antagonism.
The experimental results showed that sulfentrazone and fluroxypyr mixture cooperate with shepherd's purse, in sulfentrazone and chlorine
Fluorine pyrrole fluoroacetic acid mixture is 16:1,8:1,4:1,2:1,1:1,0.5:1 shows as synergistic effect, other ratios show as addition work
With there is not antagonism.
The experimental results showed that sulfentrazone and fluroxypyr mixture cooperate with Veronica, sulfentrazone with
Fluroxypyr mixture is 4:1,2:1,1:1,0.5:1,0.25:1 shows as synergistic effect, other ratios show as addition work
With there is not antagonism.
The experimental results showed that sulfentrazone and fluroxypyr mixture cooperate with clearvers, sulfentrazone with
Fluroxypyr mixture is 4:1,2:1 shows as synergistic effect, other ratios show as addition, antagonism work does not occur
With.
First sulfentrazone has complementary advantages after compounding with fluroxypyr, and quick-acting and lasting effect are excellent, to Descurainia sophia, shepherd's purse
Dish, Veronica and clearvers have good effect, and compounding effect belongs to synergistic effect, recommend sulfentrazone 180-360g
A.i./ha and fluroxypyr 90-180g a.i./ha compounding, i.e. sulfentrazone：Fluroxypyr is 4:1-1:1.
The measurement of 4 field efficacy of embodiment
No.1 experimental condition
The selection of No.1.1 crop and cultivar
Winter wheat, kind are sowing in Jimai on October 7th, 22,2017, per acre 30 kilograms of application rate, line-spacing 30cm, the wide 4.3m of furrow.
The selection of No.1.2 subjects weeds
Descurainia sophia, shepherd's purse, clearvers etc..There are also the big fringe amur foxtails of a small amount of gramineae weed.
No.1.3 cultivation condition
Test wheat paddock is located at the Jinan City, Shandong Province Licheng District Huashan village Zhen Sujia.It is experimental field loam, the content of organic matter exists
1.3% or so, pH value 7.2.Experimental plot weeding control effect is uniform, so not applying other herbicides during entire test；When application not
See disease pest, in addition applies N P and K when winter wheat sowing per acre（Ratio is 15-15-15）Compound fertilizer 80kg, 2018 4
Urea 20kg is applied per acre when moon watering on the 1st.The wheat florescence is prevented and treated powdery mildew 2 times with triadimefon+potassium dihydrogen phosphate；Wheat earing stage
It sprays and carrys out good fortune spirit prevention and treatment winter wheat aphid twice.
It is smooth to test topography, management is consistent, and it is preferable that fertility and water pour condition, respectively on October 7th, 2017 after planting and
On December 9th, 2017, on April 1st, 2018, respectively watering was primary.
Experimental field preceding stubble maize planting, herbicide used are nicosulfuron and atrazine.
No.2 experimental design
No.2.1 test medicine
The suspending agent configured using embodiment 2.
No.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.Yu Dong
The processing of wheat paddock annual grassy weeds 3-5 leaf phase cauline leaf even spraying.
No.2.3 spraying time and number
It tests and is carried out on March 14th, 2018, application is primary altogether.Wheat is in and turns green initial stage when application, grows fine；Field is miscellaneous
The careless 3-5 leaf phase, based on Descurainia sophia, shepherd's purse, clearvers, a small amount of big fringe amur foxtail.
No.2.4 drug effect calculation method
Calculation formula：
No.3 experimental result
3 30% methyl tribenuron-methyl fluroxypyr suspending agent of table is applied to wheat paddock field efficacy and measures (30 days after application
Investigation)
Test result shows that 40% sulfentrazone suspending agent is preferable to Descurainia sophia, shepherd's purse, clearvers effect, early period effect most
It is excellent, but later period small part weeds have and turn green, and effect is declined slightly, and later period fresh weight preventive effect is slightly below strain preventive effect；200g/L chlorine fluorine pyrrole
Fluoroacetic acid suspending agent is excellent to clearvers effect, slightly lower to Descurainia sophia, shepherd's purse.
30% sulfentrazone fluroxypyr suspending agent of the two compound preparation integrates two single dose advantages, and weed control spectrum is excellent
Gesture is complementary, and quick-acting and lasting effect are fine, has a good effect to test field weed Descurainia sophia, shepherd's purse, clearvers, and 4
Proportion is better than two single doses.
It tests while also found, the grass family that 40% sulfentrazone suspending agent is applied alone and compound preparation is a small amount of to experimental plot
The big fringe amur foxtail of weeds also has preferable effect.Another comparison medicament fluroxypyr is invalid to big fringe amur foxtail.
30% sulfentrazone fluroxypyr suspending agent is safe to wheat.
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, these are improved and replacement
Also it should be regarded as the protection scope of this patent.
Claims (7)
1. a kind of herbicidal composition containing sulfentrazone and fluroxypyr, it is characterised in that：Sulfentrazone and chlorine fluorine
Pyrrole fluoroacetic acid weight ratio range is 16:1-0.25:1 .
2. a kind of herbicidal composition containing sulfentrazone and fluroxypyr according to claim 1, feature
It is：The sulfentrazone and fluroxypyr weight ratio range are 8:1-1:1.
3. a kind of herbicidal composition containing sulfentrazone and fluroxypyr according to claim 2, feature
It is：The sulfentrazone and fluroxypyr weight ratio range are 4:1-1:1.
4. a kind of herbicidal composition containing sulfentrazone and fluroxypyr according to claim 3, feature
It is：The sulfentrazone and fluroxypyr weight ratio range are 4:1,3:1,2:1,1:1.
5. a kind of herbicidal composition containing sulfentrazone and fluroxypyr according to claim 1, feature
It is：The sulfentrazone and fluroxypyr weight ratio range are 16:1,8:1,0.5:1,0.25:1,.
6. a kind of herbicidal composition containing sulfentrazone and fluroxypyr described in -5 according to claim 1, special
Sign is：The herbicidal composition preparation is missible oil, aqueous suspension agent, oil-suspending agent, wettable powder, granule or moisture
The acceptable dosage form of the pesticides such as shot agent.
7. a kind of herbicidal composition containing sulfentrazone and fluroxypyr described in -5 according to claim 1, special
Sign is：The herbicidal composition is used to prevent and kill off weeds Descurainia sophia, Veronica, shepherd's purse, the clearvers of wheat paddock.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112544625A (en) * | 2020-11-20 | 2021-03-26 | 湖南海利常德农药化工有限公司 | Compound composition containing sulfentrazone and application thereof |
| CN113057170A (en) * | 2020-01-02 | 2021-07-02 | 山东省农业科学院植物保护研究所 | Herbicide composition applied to wheat field for soil sealing treatment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102461509A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Hybrid weeding composite containing Bispyribac-sodium and fluroxypyr and application of hybrid weeding composite |
-
2018
- 2018-09-24 CN CN201811111598.6A patent/CN108835117A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102461509A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Hybrid weeding composite containing Bispyribac-sodium and fluroxypyr and application of hybrid weeding composite |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113057170A (en) * | 2020-01-02 | 2021-07-02 | 山东省农业科学院植物保护研究所 | Herbicide composition applied to wheat field for soil sealing treatment |
| CN112544625A (en) * | 2020-11-20 | 2021-03-26 | 湖南海利常德农药化工有限公司 | Compound composition containing sulfentrazone and application thereof |
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