CN106719707A - A kind of Herbicidal combinations comprising topramezone Yu clodinafop-propargyl - Google Patents
A kind of Herbicidal combinations comprising topramezone Yu clodinafop-propargyl Download PDFInfo
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- CN106719707A CN106719707A CN201710096340.2A CN201710096340A CN106719707A CN 106719707 A CN106719707 A CN 106719707A CN 201710096340 A CN201710096340 A CN 201710096340A CN 106719707 A CN106719707 A CN 106719707A
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- clodinafop
- topramezone
- propargyl
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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
- A01N43/72—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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- 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)
- 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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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to the Herbicidal combinations containing topramezone and clodinafop-propargyl, described Herbicidal combinations evidence has synergistic function, wherein, the weight ratio of topramezone and clodinafop-propargyl is 1:15‑10:3, preferably 1:1‑1:5 are most preferably 1：2.
Description
Technical field
The invention belongs to mixture of herbicides field, and in particular to be a kind of Herbicidal combination containing topramezone Yu clodinafop-propargyl
Thing, the Herbicidal combinations are good with herbicidal effect with topramezone and clodinafop-propargyl as main active, low to crop safety
The features such as residual.
Background technology
Weeds of wheat occurs universal, and species is various, and harm at present is more serious grassy weed：Triticum tauschii, sparrow
Wheat, wild oat, amur foxtail, Alopecurus, Itanlian rye, annual bluegrass, Wang grass, hard grass etc.；Broad leaved weed：Descurainia sophia, shepherd's purse
Dish, clearvers, field bindweed, corn gromwell, grey dish etc..Weeds fight for moisture, fertilizer, space, sunlight etc. with wheat, once occur all
Wheat yield can be caused, when seriously breaking out, or even total crop failure, endanger very serious.Recent years due to the trans-regional operation of mechanization,
Weed seed is caused to be propagated more rapid, wheat paddock crop smothering is also increasingly severe.
Topramezone is researched and developed by BASF AG, belongs to benzene methyl pyrazolone herbicide, and the mechanism of action is suppressed to hydroxyl
The double hydrogenases of yl benzoic acid ester.After after seedling cauline leaf process, absorbed by root and seedling, leaf, separate living tissue be transmitted in plant,
Suppress the double hydrogenases of p-hydroxybenzoate, suppress the biosynthesis of plastoquinone and carotenoid, chloroplaset synthesis and function are disorderly
Disorderly, the susceptible weeds albefaction of germination, growth is caused to be suppressed, necrosis, plant is dead within 14 days or so, can prevent and kill off big portion
Divide grass family and broad leaved weed, such as eleusine indica, lady's-grass, piemarker, wild amaranth and Siberian cocklebur.The crop of registration is mainly corn at present
Field, rarely has the report for being applied to wheat paddock.
Clodinafop-propargyl is the cauline leaf process wheat herbicide after seedling of aryloxyphenoxypropanoates class, mainly prevents and kill off wheat paddock grass family
Weeds.It is characterized in that small toxicity, consumption are few, drug effect is high, metabolic capability is strong and influenceed small by weather.It is the auxiliary quick A hydroxylases of acetyl
Inhibitor, causes plant fat to synthesize and reduces, and ultimately results in plant dead.It is degraded to free acid phenyl and pyrrole quickly in soil
Pyridine, environmental pollution is small.The standing grain such as wheat paddock amur foxtail, wild oat, bromegrass, rye grass, rough stalked blue grass and green bristlegrass can be prevented and treated
Undergraduate course weeds, it is poor to broad-leaved preventive effect.
Nearest this year, wheat field herbicide drug level more and more higher, the resistance of weeds is more and more stronger, relies solely on single dose
Use, to reach the effect of preferable preventing and treating, it is necessary to increase dosage.The increase of dosage not only increases drug cost, increases
Plus environmental pressure, and increased the risk of wheat poisoning.
Scientific investigations showed that, by the screening of the pesticide species compounded formula of the different mechanisms of action, with expansion herbicide controlling spectrum,
Prevention effect is improved, dosage is reduced, delays various advantages such as the generation of herbicide resistance.Present inventor sieves indoors
On the basis of choosing and field test, according to Weed-control effect, the complex composition of topramezone and clodinafop-propargyl is filtered out, for wheat
Field grassy weed and broad leaved weed show extraordinary preventive effect, and the Herbicidal combinations on both and its application are current still
Nobody reported that topramezone was also first Application to wheat paddock weeding.
The content of the invention
It is an object of the invention to supplement the deficiencies in the prior art, there is provided it is a kind of efficiently, low toxicity, low cost, be not likely to produce
The Synergistic herbicide compositions of resistance.
It is a further object of the present invention to provide a kind of comprehensive regulation that can be used for wheat paddock grassy weed and broad leaved weed
Herbicidal combinations.
The active component of the composition includes topramezone and clodinafop-propargyl.
Herbicidal combinations of the invention can also include other active components, the mainly herbicide and/or peace of other species
Full agent.
Herbicidal composition of the invention has synergistic function so that the consumption reduction of each active component or phase
Strengthen with the drug effect under consumption, wherein the weight ratio of topramezone and clodinafop-propargyl is 1:15-10:3, preferably 1:1-1:5 is optimal
Elect 1 as：2.
The content of active component can be used in scope wider in Herbicidal combinations of the invention, such as percentage composition
Can be 1-90%, more preferably preferably 10-50%, 20-30%.
Herbicidal combinations of the invention can be with auxiliary element conventional in Pesticide formulation according to customary preparation methods
Prepare following formulation：Wettable powder, water dispersible granules, granule, suspending agent, dispersible oil-suspending agent.
Further, Herbicidal combinations of the invention are a kind of new, efficient wheat herbicide after seedling, can disposably be had
Effect prevents and kill off various grassy weeds and broad leaved weed, can be used in national wheat planting district.
The frequency of use and usage amount of Herbicidal combinations of the invention with crops, weeds, weather condition and it is small change,
The purpose of effective preventing and treating can be reached by using suitable dosage.
Compared with prior art, beneficial effects of the present invention are：Active ingredient includes two kinds in described Herbicidal combinations
The different mechanism of action, by the active ingredient compounding use of the different mechanisms of action, can effectively delay the product of herbicide resistance
It is raw；There is obvious synergistic effect between Herbicidal combinations active ingredient of the invention, preventive effect can be significantly improved, reduce
The usage amount of agricultural chemicals and the risk to environment, meet the agricultural chemicals policy related to environmental protection；Additionally, combinations of herbicides of the invention
Thing is safe, meets the security requirement of pesticidal preparations, very safe to wheat under recommended dose.
Specific embodiment
In order to be better understood from essence of the invention, present disclosure is described further with reference to embodiment,
But limitation of the present invention can not be considered as, it is as described below to be only used for explaining the present invention, for without departing from spirit of the invention and principle
Modification, replacement or the improvement made, belong to the scope of protection of present invention.
First, example of formulations
1st, the topramezone clodinafop-propargyl of embodiment 1.20% dispersibles oil-suspending agent（1：1）
Topramezone 10%
Clodinafop-propargyl 10%
Cloquintocetmexyl 3%
White carbon 2%
Propane diols 5%
Rilanit special ethylene oxide condensate 7%
AEO 10%
Methyl oleate surplus
It is described dispersible oil-suspending agent procedure of processing be：Oil dispersant, thickener, emulsifying agent are mixed by above-mentioned formula, warp
High speed shear is well mixed 30min, adds topramezone and clodinafop-propargyl, continues to shear mixing 30min, subsequently into horizontal sand milling
In machine grind, make preparation particle diameter all below 10 microns, prepared active constituent content be 20% topramezone clodinafop-propargyl can
Dispersion oil-suspending agent.
2nd, embodiment 2:20% topramezone clodinafop-propargyl wettable powder（1：3）
Topramezone 5%
Clodinafop-propargyl 15%
Cloquintocetmexyl 4%
Calcium lignosulfonate 2%
Alkylnaphthalene sulfonate formaldehyde condensation products 5%
Lauryl sodium sulfate 6%
White carbon 8%
Diatomite surplus
The procedure of processing of the wettable powder is：By above-mentioned formula by topramezone and clodinafop-propargyl and dispersant, wetting agent
With filler mixing, the uniform stirring in stirred tank is well mixed, you can prepared active constituent content is after ultra micro air-flow crushing
20% topramezone clodinafop-propargyl wettable powder.
3rd, embodiment 3：24% topramezone clodinafop-propargylwater water dispersible granule（2：10）
Topramezone 4%
Clodinafop-propargyl 20%
Cloquintocetmexyl 5%
Alkylnaphthalene sulfonate formaldehyde condensation products 2%
Lauryl sodium sulfate 5%
Butene dioic acid and styrol copolymer 1%
Ammonium sulfate 6%
Diatomite surplus
The procedure of processing of the water dispersible granules is：By above-mentioned formula by topramezone, clodinafop-propargyl and dispersant, wetting agent, collapse
Solution agent and filler are well mixed, are crushed with micro jet, through mediating, subsequently into Squeezinggranulator granulation, boiling
Dried in drying machine, through sampling analysis after screening, prepared active ingredient is 24% topramezone clodinafop-propargylwater water dispersible granule.
4th, embodiment 4：30% topramezone clodinafop-propargyl suspending agent（1： 2）
Topramezone 10%
Clodinafop-propargyl 20%
Cloquintocetmexyl 5%
Lignosulfonates 8%
Styryl phenol polyethenoxy ether 4%
Alkylphenol-polyethenoxy base ether phosphate 5%
EO-PO block polyethers 0.7%
Epoxidized soybean oil 0.8%
Glycerine 3%
Deionized water surplus
The specific procedure of processing of the suspension emulsion is：Dispersant, thickener, defoamer are mixed by above-mentioned formula, is cut through high speed
Well mixed, addition topramezone, clodinafop-propargyl continuation shearing mixing are cut, is ground subsequently into horizontal sand mill, make preparation
All below 5 microns, prepared active constituent content is 30% topramezone clodinafop-propargyl suspension emulsion in footpath.
2nd, toxicity is determined
1st, Application Example 1：The bioactivity of topramezone and clodinafop-propargyl and its mixture composition to wheat paddock grassy weed
Determine report
Experiment purpose：Topramezone and clodinafop-propargyl and its different blended are determined under laboratory greenhouse condition of pot with composition to standing grain
Preventive effect of the undergraduate course weeds amur foxtail after 15 days, and its synergy is have rated, it is the formulation development and agricultural chemicals of Mixed Pharmacy
Registration field control effectiveness test provides scientific basis.
For examination target:Amur foxtail（Alopecurus aequalisSobol.）.
Evaluation method：Herbicide mode of application is evaluated according to Colby methods, its formula is：E0=X+Y-XY/100
X, Y are respectively topramezone and clodinafop-propargyl when dosage is a or b to the preventive effect of weeds；E0It is topramezone and clodinafop-propargyl
Desired value when dosage is a+b, when the observed value of herbicidal composition is more than the desired value according to Colby methods, that is, thinks
The compounding of topramezone and clodinafop-propargyl shows synergistic function, and result of the test is shown in Table 1.
As can be seen from Table 1, relatively each alone comparing sees wheat to wheat paddock grassy weed after topramezone is mixed with clodinafop-propargyl
Ma has extraordinary preventive effect, with notable synergistic effect, is worth the popularization and application in production.
2nd, Application Example 2：Topramezone and clodinafop-propargyl and its mixture composition are surveyed to the bioactivity of wheat paddock broad leaved weed
Fixed report
Experiment purpose：Topramezone and clodinafop-propargyl and its different blended are determined under laboratory greenhouse condition of pot with composition to small
Preventive effect of the wheatland broad leaved weed shepherd's purse after 15 days, and its synergy is have rated, it is formulation development and the agriculture of Mixed Pharmacy
Medicine registration field control effectiveness test provides scientific basis.
For examination target:Shepherd's purse（Capsella bursapastoris(L.) Medic.）.
Evaluation method：Herbicide mode of application is evaluated according to Colby methods, its formula is：E0=X+Y-XY/100
X, Y are respectively topramezone and clodinafop-propargyl when dosage is a or b to the preventive effect of weeds；E0It is topramezone and clodinafop-propargyl
Desired value when dosage is a+b, when the observed value of herbicidal composition is more than the desired value according to Colby methods, that is, thinks
The compounding of topramezone and clodinafop-propargyl shows synergistic function, and result of the test is shown in Table 2.
As can be seen from Table 2, relatively each alone comparing has to wheat paddock broad leaved weed shepherd's purse after topramezone is mixed with clodinafop-propargyl
Extraordinary preventive effect, particularly clodinafop-propargyl unit, almost without preventive effect, are a significant increase after compounding and shepherd's purse are prevented to shepherd's purse
Effect, with notable synergistic effect, is worth the popularization and application in production.
3rd, field control effectiveness test
3.1 pairs of tests of pesticide effectiveness of wheat paddock amur foxtail
This experiment is located at Liaocheng of Shandong Province Dongchangfu District road junction and spreads, brown earth, pH6.8, medium fertility, and it is good that water pours condition；
Spraying period is on October 30th, 2016, cloudy, 5-16 DEG C of temperature；Wheat breed is Jimai 22, and wheat is in 3 leaves during spray
Phase, weeds are in the 2-3 leaf phases；Field main weeds species is amur foxtail（Coverage accounts for whole weed community 85%）.Plot area
67 square metres, it is repeated 4 times, random district's groups arrangement.Prevent respectively at 15 days observed and recorded range estimation preventive effects, 30 days investigation fresh weights after medicine
Effect.Result of the test is shown in Table 3.
Field control effectiveness test result shows, after topramezone and clodinafop-propargyl mixture, to wheat paddock amur foxtail preventive effect very
Good, the preventive effect of the composition of same preparation consumption is significantly higher than the preventive effect of single dose, and the preventive effect of highest composition reaches 98.26%, right
Without influence, final product result of surveying shows that volume increase reaches 26.59% to wheat safety, it can be seen that, the compounding of topramezone and clodinafop-propargyl
It is worth the popularization and application in production.
3.2 pairs of tests of pesticide effectiveness of wheat paddock shepherd's purse
This is tested and is located at Jinan City, Shandong Province, cinnamon soil, pH7.2, general fertility, and it is good that water pours condition；Spraying period is 2017
On November 10, in, cloudy cloudy, 3-16 DEG C of temperature；Wheat breed is Jimai 22, and wheat is in the 3-4 leaf phases during spray, at weeds
In the 2-3 leaf phases；Field main weeds species is shepherd's purse（Coverage accounts for whole weed community 85%）.67 square metres of plot area, weight
It is multiple 4 times, random district's groups arrangement.Respectively at 15 days observed and recorded range estimation preventive effects, 30 days investigation fresh weight preventive effects after medicine.Result of the test is shown in
Table 4.
Field control effectiveness test result shows, good to wheat paddock shepherd's purse preventive effect after topramezone and clodinafop-propargyl mixture, multiple
Preventive effect after matching somebody with somebody is up to 97.67%, and production-increasing function is substantially, increases production up to 25.35%, and in scope of medication, it is right all not find
Wheat has poisoning to produce, it can be seen that, topramezone is worth the popularization and application in production with the compounding of clodinafop-propargyl.
3.3 pairs of wheat paddock amur foxtails and shepherd's purse recur the test of pesticide effectiveness in plot
This experiment is located at Hebei province Xingtai City Nanhe County, and cinnamon soil, pH7.6, the content of organic matter 1.3, general fertility, water pours condition
Well；Spraying period is on November 16th, 2017, cloudy cloudy, 4-15 DEG C of temperature；Wheat breed sees 35, wheat during spray for weighing apparatus
The 3-4 leaf phases are in, weeds are in the 2-3 leaf phases；Field main weeds species is amur foxtail and shepherd's purse（Coverage accounts for whole weed control
Fall 96%, wherein amur foxtail accounts for 60%）.67 square metres of plot area, is repeated 4 times, random district's groups arrangement.Seen respectively at 15 days after medicine
Examine record range estimation preventive effect, 30 days investigation fresh weight preventive effects.Result of the test is shown in Table 5.
Field control effectiveness test result shows, after topramezone and clodinafop-propargyl mixture, to wheat paddock amur foxtail and shepherd's purse preventive effect
All very well, the preventive effect after compounding is up to 98.14%, and production-increasing function is substantially, volume increase reachable 26.41%, in scope of medication,
It was found that thering is poisoning to produce wheat, it can be seen that, topramezone is worth the popularization and application in production with the compounding of clodinafop-propargyl.
The illustrative embodiments that above-described embodiment is used only for explanation inventive principle, but the present invention is not limited only to
This, those skilled in the art can make various improvement and change in the case where real situation of the present invention is not departed from, and these improve and become
More fall within protection scope of the present invention.
Claims (7)
1. a kind of herbicidal composition, its feature is with active component includes topramezone and clodinafop-propargyl.
2. Herbicidal combinations according to claim 1, it is characterised in that the weight ratio of the topramezone and clodinafop-propargyl is
Weight ratio is 1:15-10:3, preferably 1:1-1:5 are most preferably 1：2.
3. according to the Herbicidal combinations of claim 1 or 2, it is characterised in that the Herbicidal combinations also add comprising pesticidal preparations
Conventional auxiliary element in work.
4. Herbicidal combinations according to any claim in claim 1-3, it is characterised in that described weeding
Composition also includes one or more other agricultural active composition.
5. herbicidal composition according to claim 4, it is characterised in that described other agricultural active compositions are safener.
6. the herbicidal composition according to claim 1-5 is used to prevent and kill off the purposes of noxious plant.
7. purposes according to claim 6, it is characterised in that the noxious plant is grass family and broad leaved weed.
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|---|---|---|---|---|
| CN107087619A (en) * | 2017-05-13 | 2017-08-25 | 南京高正农用化工有限公司 | A kind of Herbicidal combinations comprising topramezone and clodinafop-propargyl and application thereof |
| CN117481113A (en) * | 2023-12-21 | 2024-02-02 | 山东科赛基农生物工程有限公司 | Topramezone and clodinafop-propargyl dispersible oil suspending agent and application thereof |
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Application publication date: 20170531 |