CN105379736B - A kind of compound weeding composition and its application containing clodinafop-propargyl and Flumetsulam - Google Patents
A kind of compound weeding composition and its application containing clodinafop-propargyl and Flumetsulam Download PDFInfo
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- CN105379736B CN105379736B CN201510434435.1A CN201510434435A CN105379736B CN 105379736 B CN105379736 B CN 105379736B CN 201510434435 A CN201510434435 A CN 201510434435A CN 105379736 B CN105379736 B CN 105379736B
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- flumetsulam
- propargyl
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- 238000009333 weeding Methods 0.000 title claims abstract description 15
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- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 3
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 3
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Abstract
The invention discloses a kind of compound weeding composition containing clodinafop-propargyl and Flumetsulam and its application, for the Herbicidal combinations using clodinafop-propargyl and Flumetsulam as principle active component, the mass ratio of clodinafop-propargyl and Flumetsulam is 1~99：1~99, the two gross mass percentage composition in Herbicidal combinations is 10~80%.Herbicidal combinations of the present invention can be used for wheat paddock postemergence weed control, particularly have remarkable result for preventing and kill off grassy weed and broad leaved weed in wheat paddock.Herbicidal combinations of the present invention on the premise of drug effect is improved, delay Weed Resistance relative to single dose, and herbicidal spectrum is wide, lasting period length, and all have security to wheat and succession crop.
Description
Technical field
The invention belongs to technical field of pesticide, especially herbicide field, and in particular to a kind of clodinafop-propargyl and flumetsulam
The binary built Herbicidal combinations of amine, the Herbicidal combinations can be applied to wheat paddock postemergence weed control.
Background technology
Clodinafop-propargyl, also known as top, chemical name：R-2- [4- (the fluoro- 2- epoxides pyridines of the chloro- 3- of 5-)-phenoxy group]-propine
Acid, belong to phenoxy carboxylic acid herbicides, structural formula：
Clodinafop-propargyl is acetyl-CoA carboxylase (ACCase) inhibitor, uptake and translocation herbicide, by the blade of plant
Absorbed with leaf sheath, bast conduction, accumulate and obtained in plant in separate living tissue, suppress acetyl-CoA carboxylase, close aliphatic acid
Into stopping, the growth division of cell can not be normally carried out, and the structure containing fat such as membranous system is destroyed, and finally results in Plant death.From alkynes
It is slower that careless ester is absorbed into weeds Mortality Ratio, generally requires 1-3 weeks.
Flumetsulam, also known as Flumetsulam, pyrrole flumetsulam, Flumetsulam, fluorine ethofumesate, fluorine Flumetsulam, change
Scientific name claims：2 ', 6 '-two fluoro- 5- methyl (1,2,4)-triazol (1,5-A) pyrimidine -2- sulfonanilides or N- (2,6- difluorobenzenes
Base) -5- methyl isophthalic acids, 2,4- triazols [1,5-a] pyrimidine -2- sulfonamide, belong to triazolopyrimidine sulfonamides herbicide, structure
Formula：
Flumetsulam is acetolactate synthestase (ALS) inhibitor.Due to its serious inhibitory action, make in plant
Branched-chain amino acid --- leucine stops with isoleucine biosynthesis, protein biosynthesis block, growth retardation, final dead.
Flumetsulam has very strong uptake and translocation, since plant absorption medicament to there are damage symptoms, up to Plant death
It is a slow process of comparison.Weeds absorb medicament after symptom be：Blade middle arteries chlorosis, vein and blade tip fade, by the heart
Leaf starts that yellowish-whiteization, purpleization, internode be short, terminal bud death, and final complete stool is dead.
Wheat field herbicide is limited by crop safety at present, and herbicide controlling spectrum is also limited, and a kind of herbicide single dose is used alone
Can not completely effectively control the generation of weeds of wheat, furthermore some herbicides due to the water-soluble big or field lasting period too
Grow, dosage is excessive or the uneven residual hazard all easily caused to this season crop or succession crop of dispenser.
The content of the invention
It is an object of the invention to provide a kind of compound weeding composition containing clodinafop-propargyl and Flumetsulam.
It is a further object of the present invention to provide application of the Herbicidal combinations in wheat paddock weeding.
A kind of compound weeding composition containing clodinafop-propargyl and Flumetsulam, the Herbicidal combinations are with clodinafop-propargyl and the phonetic sulphur of azoles
Careless amine is principle active component, wherein, the weight ratio of clodinafop-propargyl and Flumetsulam is 1~99：1~99；It is preferred that the weeding group
Clodinafop-propargyl and the weight of Flumetsulam ratio are 1~80 in compound：1~80；Clodinafop-propargyl in the further preferred Herbicidal combinations
Weight ratio with Flumetsulam is 1~60：1~60；The most preferably weight of clodinafop-propargyl and Flumetsulam in the Herbicidal combinations
Amount is than being 29~60：1~5.
The compound weeding composition containing clodinafop-propargyl and Flumetsulam described in technical solution of the present invention, clodinafop-propargyl are phonetic with azoles
Weight/mass percentage composition of both the sulphur grass amine in Herbicidal combinations is 1~80%；It is preferred that clodinafop-propargyl exists with both Flumetsulams
Weight/mass percentage composition in Herbicidal combinations is 30~65%.
In the clodinafop-propargyl of the system present invention and the binary built composition of Flumetsulam, except clodinafop-propargyl and flumetsulam
Outside the active ingredients such as amine, the conventional surfactants allowed on pesticidal preparations, thickener, solvent or solid packing can also be added
Any one formulation for being configured to allow on agricultural chemicals Deng auxiliary agent.It is preferred that it is processed into missible oil, suspending agent, aqueous emulsion, microemulsion, moisture
Any one in scattered seed agent and wettable powder.
The foregoing weeding auxiliary agent that can be applied to the present invention is not particularly limited, including but not limited to alkyl phenol polyoxy
Vinethene, phenethyl phenol polyethenoxy ether, aluminium-magnesium silicate, dimethylbenzene, methyl naphthalene sulfonate formaldehyde condensate, polyoxyethylene nonyl phenyl second
Alkene ether, aluminium-magnesium silicate, ethylene glycol, tributyl phosphate, silicone oil, sodium metnylene bis-naphthalene sulfonate, ammonium sulfate, polyvinyl alcohol, kaolin,
Solvent naphtha and water etc..
Herbicidal combinations of the present invention can be applied in wheat paddock postemergence weed control, the standing grain particularly in wheat paddock is prevented and kill off
Being applied in undergraduate course weeds has remarkable result.
The Herbicidal combinations of the present invention have advantages below：
1st, activity of weeding is high.The Herbicidal combinations of the present invention can kill weeds by two kinds of different mechanism so that weeds
Resistance produces speed and reduced, and is greatly enhanced the removing activity of herbicide.
2nd, herbicidal spectrum is wide, lasting period length.Flumetsulam is broad spectrum weeding agent, and it has to annual gramineous weed
Good preventive effect, clodinafop-propargyl can prevent and treat most of grassy weeds.After both mixing, it is possible to increase to a variety of grassy weeds
Preventing and treating.
3rd, it is safe.Because its dosage is under control, making medicament, it is to small on the premise of drug effect is improved
The security of wheat and succession crop is also improved.
The Herbicidal combinations of the present invention, applied to wheat paddock postemergence weed control, it can prevent and kill off various grass family in wheat paddock
Weeds, on the premise of drug effect is improved, all there is security to wheat and succession crop.
Therefore, Herbicidal combinations of the present invention can be applied in the herbicide for wheat paddock postemergence weed control is prepared,
Particularly applied in the herbicide for being used for preventing and kill off grassy weed in wheat paddock is prepared.
Embodiment
With reference to embodiment, the invention will be further described, but protection scope of the present invention not limited to this：
Embodiment 1
Clodinafop-propargyl 34g, Flumetsulam 1g, APES 4g, phenethyl phenol polyethenoxy ether 15g are weighed,
Dimethylbenzene is configured to the missible oil that weight/mass percentage composition is 35% to 100g according to the formulation method of routine.
Embodiment 2
Weigh clodinafop-propargyl 29g, Flumetsulam 1g, methyl naphthalene sulfonate formaldehyde condensate 6g, NPE
3g, aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g, surplus are water, are matched somebody with somebody according to the formulation method of routine
System
Into the suspending agent that weight/mass percentage composition is 30%.
Embodiment 3
Weigh clodinafop-propargyl 59g, Flumetsulam 1g, NNO (bitter edible plant sodium sulfonate of methylene two) 5g, ammonium sulfate 3g, polyvinyl alcohol
2g, kaolin to 100g, the water dispersion granule that weight/mass percentage composition is 60% is configured to according to the formulation method of routine.
Embodiment 4
Clodinafop-propargyl 60g, Flumetsulam 5g, NNO (bitter edible plant sodium sulfonate of methylene two) 6g, sodium lignin sulfonate 4g are weighed, it is high
Ridge soil is configured to the wettable powder that weight/mass percentage composition is 65% to 100g according to the formulation method of routine.
Embodiment 5
Weigh clodinafop-propargyl 3g, Flumetsulam 12g, methyl naphthalene sulfonate formaldehyde condensate 6g, NPE
3g, aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, solvent naphtha 20g, water to 100g, match somebody with somebody according to the formulation method of routine
The aqueous emulsion that weight/mass percentage composition is 15% is made.
Embodiment 6
Weigh clodinafop-propargyl 5g, Flumetsulam 9g, methyl naphthalene sulfonate formaldehyde condensate 6g, NPE
3g, aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, water to 100g, quality hundred is configured to according to the formulation method of routine
Divide the microemulsion that content is 14%.
Embodiment 7
Weigh clodinafop-propargyl 10g, Flumetsulam 50g, NNO (bitter edible plant sodium sulfonate of methylene two) 6g, wooden sodium sulfonate 4g, kaolinite
Soil is configured to the wettable powder that weight/mass percentage composition is 60% to 100g according to the formulation method of routine.
Embodiment 8
Weigh clodinafop-propargyl 20g, Flumetsulam 31g, methyl naphthalene sulfonate formaldehyde condensate 6g, NPE
3g, aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g, surplus are water, are matched somebody with somebody according to the formulation method of routine
The suspending agent that weight/mass percentage composition is 51% is made.
Embodiment 9
Weigh clodinafop-propargyl 19g, Flumetsulam 60g, NNO (bitter edible plant sodium sulfonate of methylene two) 5g, ammonium sulfate 3g, polyvinyl alcohol
2g, kaolin to 100g, the water dispersion granule that weight/mass percentage composition is 79% is configured to according to the formulation method of routine.
Embodiment 10
Weigh clodinafop-propargyl 5g, Flumetsulam 5g, NNO (bitter edible plant sodium sulfonate of methylene two) 6g, sodium lignin sulfonate 4g, kaolinite
Soil is configured to the wettable powder that weight/mass percentage composition is 10% to 100g according to the formulation method of routine.
1), toxicity determination test
Using the preparation in embodiment 1~4, its co-toxicity coefficient to wheat paddock common weed barnyard grass is determined.
Test method：The seed of quantitative barnyard grass is seeded in the high Disposable paper cups of 9cm respectively, 12 are sowed in every glass
Grain seed, cultivates in illumination box, when the 5 leaf phase of barnyard grass, spraying treatment is carried out in crawler crop spray.Processing
Continuing to cultivate in greenhouse afterwards, routine observation respectively handles the preventive effect to weeds, and the weeds fresh weight after each processing is weighed after 30d,
Calculate its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is more than 120, shows that two kinds of active principles have synergistic effect, altogether
Malicious coefficient is less than 80, shows that two kinds of active principles have antagonism.Measurement result is as shown in table 1.
The toxicity measurement result of table 1
As can be seen from the above table, the co-toxicity coefficient after two kinds of active principle compoundings is both greater than 120, and it is bright to illustrate that the present invention has
Aobvious synergistic effect.
2), field control effectiveness test.
Reagent agent：
4 kinds of re-compounded binary herbicides in embodiment 1~4.
Comparison medicament：
15% clodinafop-propargyl can wet-milling (commercially available), 40% Flumetsulam missible oil (commercially available).
For studying thing：Wheat
Wheat seedling grows fine, robust plant, without other pest and disease damages.
Control object：
The weeds such as annual bluegrass, Bermuda grass, lamb's-quarters, amaranth, smartweed.
Test method：
According to the area of experimental plot, good various medicaments of precise, and after being watered dilution, using knapsack sprayer,
Carry out even spraying, the special Fan spray head of sprinkler selection herbicide.During spraying, it should be noted that it is small that decoction is uniformly sprayed application to experiment
Qu Zhong, the phenomenon for accomplish no drain spray, spraying more.20d, 40d observe weeds death condition after medicine respectively after experiment, and relatively more each
The activity of weeding of kind medicament.In addition, will also after medicine in 1~15d observe crop the condition of production (dosage is that every mu of ground is effective
The dosage of composition), to investigate whether medicament has poisoning to crop.
Embodiments of the invention preparation Herbicidal Testing Trials effect see the table below 2 (20d after medicine) and table 3 (40d after medicine)
The field control effectiveness test result of table 2 (20d after medicine)
The field control effectiveness test result of table 3 (40d after medicine)
As can be seen from the above table, Herbicidal combinations of the present invention, which have, expands herbicidal spectrum, improves the effect of activity of weeding, and prolong
The lasting period of medicament is grown.
Security survey result of the medicament of table 4 to crop
Wheat in each processing cell grows fine, and has no any medicine spot, illustrates that various medicaments are safe to wheat.
Claims (1)
1. a kind of compound weeding composition is used to prevent and kill off the application in wheat paddock in the herbicide of grassy weed and broad leaved weed,
It is characterized in that：The compound weeding composition is as follows：
Weigh clodinafop-propargyl 34g, Flumetsulam 1g, APES 4g, phenethyl phenol polyethenoxy ether 15g, diformazan
Benzene is configured to the missible oil that weight/mass percentage composition is 35% to 100g according to the formulation method of routine；
Or take clodinafop-propargyl 29g, Flumetsulam 1g, methyl naphthalene sulfonate formaldehyde condensate 6g, NPE 3g,
Aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g, surplus are water, are configured to according to the formulation method of routine
Weight/mass percentage composition is 30% suspending agent；
Or clodinafop-propargyl 59g is taken, and Flumetsulam 1g, the bitter edible plant sodium sulfonate 5g of methylene two, ammonium sulfate 3g, polyvinyl alcohol 2g, kaolinite
Soil is configured to the water dispersion granule that weight/mass percentage composition is 60% to 100g according to the formulation method of routine；
Or clodinafop-propargyl 60g is taken, Flumetsulam 5g, the bitter edible plant sodium sulfonate 6g of methylene two, sodium lignin sulfonate 4g, kaolin is extremely
100g, the wettable powder that weight/mass percentage composition is 65% is configured to according to the formulation method of routine.
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| CN201510434435.1A CN105379736B (en) | 2015-07-22 | 2015-07-22 | A kind of compound weeding composition and its application containing clodinafop-propargyl and Flumetsulam |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4713109A (en) * | 1981-12-31 | 1987-12-15 | Ciba Geigy Corporation | 2-(4-(5-chloro-3-fluoropyridin-2-yloxy)phenoxy)-propionic acid-propynyl ester with herbicidal activity |
| CN1604739A (en) * | 2001-02-26 | 2005-04-06 | 辛根塔参与股份公司 | Herbicidal composition |
| CN102972417A (en) * | 2011-09-03 | 2013-03-20 | 周梅芝 | Compounded herbicide for wheat fields |
| CN103749485A (en) * | 2013-09-26 | 2014-04-30 | 江志鑫 | Water dispersible granules for weeding |
-
2015
- 2015-07-22 CN CN201510434435.1A patent/CN105379736B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4713109A (en) * | 1981-12-31 | 1987-12-15 | Ciba Geigy Corporation | 2-(4-(5-chloro-3-fluoropyridin-2-yloxy)phenoxy)-propionic acid-propynyl ester with herbicidal activity |
| CN1604739A (en) * | 2001-02-26 | 2005-04-06 | 辛根塔参与股份公司 | Herbicidal composition |
| CN102972417A (en) * | 2011-09-03 | 2013-03-20 | 周梅芝 | Compounded herbicide for wheat fields |
| CN103749485A (en) * | 2013-09-26 | 2014-04-30 | 江志鑫 | Water dispersible granules for weeding |
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