CN105360138B - A kind of compound weeding composition and its application containing clodinafop-propargyl and prometryn - Google Patents
A kind of compound weeding composition and its application containing clodinafop-propargyl and prometryn Download PDFInfo
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- CN105360138B CN105360138B CN201510433466.5A CN201510433466A CN105360138B CN 105360138 B CN105360138 B CN 105360138B CN 201510433466 A CN201510433466 A CN 201510433466A CN 105360138 B CN105360138 B CN 105360138B
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Abstract
The invention discloses a kind of compound weeding composition containing clodinafop-propargyl and prometryn and its application, for the Herbicidal combinations using clodinafop-propargyl and prometryn as principle active component, the mass ratio of clodinafop-propargyl and prometryn 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 prometryn
Binary built Herbicidal combinations, 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.
Prometryn, also known as flutter it is climing to the greatest extent, mow it is good, flutter Kusatsu, chemical name：4,6- bis-isopropylamine base -2- methyl mercapto -1,3,
5- triazines, belong to triazine herbicide, structural formula：
Prometryn is selective uptake and translocation triazine herbicide, can be absorbed and conduct through root and leaf, to what is just sprouted
Weed-control effect is best.Its broad weed-killing spectrum, annual gramineous weed and broad leaved weed can be prevented and kill off.
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 Herbicidal combinations containing clodinafop-propargyl and prometryn.
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 prometryn, the Herbicidal combinations are based on clodinafop-propargyl and prometryn
Active ingredient is wanted, wherein, the weight ratio of clodinafop-propargyl and prometryn is 1~99：1~99；It is preferred that clodinafop-propargyl in the Herbicidal combinations
Weight ratio with prometryn is 1~80：1~80；Clodinafop-propargyl and the weight of prometryn ratio in the further preferred Herbicidal combinations
For 1~60：1~60；Clodinafop-propargyl and the weight of prometryn ratio are 29~60 most preferably in the Herbicidal combinations：1~5.
The compound weeding composition containing clodinafop-propargyl and prometryn described in technical solution of the present invention, wherein clodinafop-propargyl are with flutterring grass
Weight/mass percentage composition both net in Herbicidal combinations is 1~80%；It is preferred that clodinafop-propargyl and both prometryns are in Herbicidal combination
Weight/mass percentage composition in thing is 30~65%.
In the clodinafop-propargyl of the present invention and the binary built composition of prometryn, except the active ingredient such as clodinafop-propargyl and prometryn
Outside, the auxiliary agents such as the conventional surfactants allowed on pesticidal preparations, thickener, solvent or solid packing can also be added to be configured to
Any one formulation allowed on agricultural chemicals.Described formulation be missible oil, suspending agent, aqueous emulsion, microemulsion, water dispersion granule or
With any one in 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 and broad leaved weed 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.Prometryn to barnyard grass, lady's-grass, moleplant seed, emarginate amaranth herb or seed, knotweed, lamb's-quarters, purslane, see wheat
The annual gramineaes such as ma, chickweed, Asiatic plantain and broadleaved herb have good preventive effect, and it is miscellaneous that clodinafop-propargyl can prevent and treat most of grass family
Grass.After both mixing, it is possible to increase the preventing and treating to a variety of broad leaved weeds and grassy weed.
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 is miscellaneous that it can prevent and kill off various broad-leaveds in wheat paddock
Grass and grassy weed, on the premise of drug effect is improved, all have 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 it is used to prevent and kill off in wheat paddock to apply in the herbicide of grassy weed and broad leaved weed in preparation.
Embodiment
With reference to embodiment, the invention will be further described, but protection scope of the present invention not limited to this：
Embodiment 1
Take clodinafop-propargyl 34g, prometryn 1g, APES 4g, phenethyl phenol polyethenoxy ether 15g, dimethylbenzene
To 100g, the missible oil that weight/mass percentage composition is 35% is configured to according to the formulation method of routine.
Embodiment 2
Take clodinafop-propargyl 29g, prometryn 1g, methyl naphthalene sulfonate formaldehyde condensate 6g, NPE 3g, silicic acid
Magnalium 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g, surplus are water, and quality is configured to according to the formulation method of routine
Percentage composition is 30% suspending agent.
Embodiment 3
Take clodinafop-propargyl 59g, prometryn 1g, NNO (bitter edible plant sodium sulfonate of methylene two) 5g, 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.
Embodiment 4
Clodinafop-propargyl 60g is taken, prometryn 5g, NNO (bitter edible plant sodium sulfonate of methylene two) 6g, 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.
Embodiment 5
Take clodinafop-propargyl 3g, prometryn 12g, methyl naphthalene sulfonate formaldehyde condensate 6g, NPE 3g, silicic acid
Magnalium 0.5g, ethylene glycol 7g, tributyl phosphate 2g, solvent naphtha 20g, water to 100g, matter is configured to according to the formulation method of routine
Measure the aqueous emulsion that percentage composition is 15%.
Embodiment 6
Take clodinafop-propargyl 5g, prometryn 9g, methyl naphthalene sulfonate formaldehyde condensate 6g, NPE 3g, silicic acid
Magnalium 0.5g, ethylene glycol 7g, tributyl phosphate 2g, water to 100g, weight/mass percentage composition is configured to according to the formulation method of routine
For 14% microemulsion.
Embodiment 7
Clodinafop-propargyl 10g is taken, prometryn 50g, NNO (bitter edible plant sodium sulfonate of methylene two) 6g, sodium lignin sulfonate 4g, kaolin is extremely
100g, the wettable powder that weight/mass percentage composition is 60% is configured to according to the formulation method of routine.
Embodiment 8
Take clodinafop-propargyl 20g, prometryn 31g, methyl naphthalene sulfonate formaldehyde condensate 6g, NPE 3g, silicon
Sour magnalium 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g, surplus are water, and matter is configured to according to the formulation method of routine
Measure the suspending agent that percentage composition is 51%.
Embodiment 9
Clodinafop-propargyl 19g, prometryn 60g, NNO (bitter edible plant sodium sulfonate of methylene two) 5g, ammonium sulfate 3g, polyvinyl alcohol 2g are taken, it is high
Ridge soil is configured to the water dispersion granule that weight/mass percentage composition is 79% to 100g according to the formulation method of routine.
Embodiment 10
Clodinafop-propargyl 5g is taken, prometryn 5g, NNO (bitter edible plant sodium sulfonate of methylene two) 6g, sodium lignin sulfonate 4g, kaolin is extremely
100g, the wettable powder that weight/mass percentage composition is 10% is configured to 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 Bermuda grass is determined.
Test method：The seed of quantitative Bermuda grass is seeded in the high Disposable paper cups of 9cm respectively, sowed in every glass
12 seeds, are cultivated in illumination box, and when the 4 leaf phase of barnyard grass, spraying treatment is carried out in crawler crop spray.Place
Continue to cultivate in greenhouse after reason, routine observation respectively handles the preventive effect to weeds, and the weeds weighed after 30d after each processing are fresh
Weight, calculates 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,
Co-toxicity 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.
Field control effectiveness test.
Reagent agent：
Comparison medicament：
15% clodinafop-propargyl can wet-milling (commercially available), 50% prometryn can wet-milling (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 uniformly spray decoction
Into experimental plot, the phenomenon of accomplish no drain spray, spraying more.
20d, 40d observe weeds death condition, and the activity of weeding of more various medicaments after medicine respectively after experiment.This
Outside, will also after medicine in 1~15d observe crop the condition of production (dosage be every mu ground active ingredient use
Amount), 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 Herbicidal combinations are being prepared for preventing and kill off answering in the herbicide of grassy weed and broad leaved weed in wheat paddock
With, it is characterised in that：The Herbicidal combinations component is as follows：
Clodinafop-propargyl 34g is taken, prometryn 1g, APES 4g, phenethyl phenol polyethenoxy ether 15g, dimethylbenzene is extremely
100g, the missible oil that weight/mass percentage composition is 35% is configured to according to the formulation method of routine；
Or clodinafop-propargyl 29g is taken, and prometryn 1g, methyl naphthalene sulfonate formaldehyde condensate 6g, NPE 3g, magnesium silicate
Aluminium 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g, surplus are water, and quality hundred is configured to according to the formulation method of routine
Divide the suspending agent that content is 30%；
Or clodinafop-propargyl 59g is taken, and prometryn 1g, NNO 5g, ammonium sulfate 3g, polyvinyl alcohol 2g, kaolin to 100g, according to routine
Formulation method is configured to the water dispersion granule that weight/mass percentage composition is 60%；
Or clodinafop-propargyl 60g is taken, and prometryn 5g, NNO 6g, sodium lignin sulfonate 4g, kaolin to 100g, according to the preparation of routine
Method is configured to the wettable powder that weight/mass percentage composition is 65%.
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| CN201510433466.5A CN105360138B (en) | 2015-07-22 | 2015-07-22 | A kind of compound weeding composition and its application containing clodinafop-propargyl and prometryn |
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| CN201510433466.5A CN105360138B (en) | 2015-07-22 | 2015-07-22 | A kind of compound weeding composition and its application containing clodinafop-propargyl and prometryn |
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| Publication Number | Publication Date |
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| CN105360138A CN105360138A (en) | 2016-03-02 |
| CN105360138B true CN105360138B (en) | 2017-12-05 |
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Citations (3)
| 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 |
| CN1309533A (en) * | 1998-07-16 | 2001-08-22 | 阿温提斯作物科学有限公司 | Herbicidal composition |
| CN101167470A (en) * | 2007-11-22 | 2008-04-30 | 杭州宇龍化工有限公司 | Compound herbicide |
-
2015
- 2015-07-22 CN CN201510433466.5A patent/CN105360138B/en active Active
Patent Citations (3)
| 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 |
| CN1309533A (en) * | 1998-07-16 | 2001-08-22 | 阿温提斯作物科学有限公司 | Herbicidal composition |
| CN101167470A (en) * | 2007-11-22 | 2008-04-30 | 杭州宇龍化工有限公司 | Compound herbicide |
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Effective date of registration: 20180511 Address after: 211318 Dongfeng Road, Yalong Town, Gaochun District, Nanjing, Jiangsu, 8 Co-patentee after: Nanjing Redsun Co., Ltd. Patentee after: Nanjing Huazhou Pharmaceutical Co., Ltd. Address before: 211318 Dongfeng Road, Yalong Town, Gaochun District, Nanjing, Jiangsu, 8 Patentee before: Nanjing Huazhou Pharmaceutical Co., Ltd. |
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