CN105494391B - A kind of mixed herbicide containing halosulfuronmethyl and propyzamide - Google Patents
A kind of mixed herbicide containing halosulfuronmethyl and propyzamide Download PDFInfo
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- CN105494391B CN105494391B CN201410495230.XA CN201410495230A CN105494391B CN 105494391 B CN105494391 B CN 105494391B CN 201410495230 A CN201410495230 A CN 201410495230A CN 105494391 B CN105494391 B CN 105494391B
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- propyzamide
- halosulfuronmethyl
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Abstract
The invention belongs to technical field of pesticide, a kind of mixed herbicide containing halosulfuronmethyl and propyzamide is disclosed, the herbicide is using halosulfuronmethyl and propyzamide as principle active component, and the mass ratio of halosulfuronmethyl and propyzamide is 0.1~80：0.1~80.Application of the mixed herbicide of the present invention in cornfield weeding, there is broad weed-killing spectrum, instant effect, efficient, low toxicity, the low, safety and environmental protection of residual, pesticide usage amount can be reduced, reduce residues of pesticides, Environmental compatibility is good, to person poultry safety the advantages of, be the corn crop chemical herbicide of high-quality.
Description
Technical field
The invention belongs to technical field of pesticide, especially herbicide field, it is related to one kind containing halosulfuronmethyl and alkynes benzoyl
The mixed herbicide of careless amine.The herbicidal composition can be applied to corn field postemergence weed control.
Background technology
Halosulfuronmethyl (halosulfuron methyl), molecular formula：C13H15ClN6O7S, chemical name：3- (4,6- bis-
Methoxy pyrimidine -2- bases) -1- (1- methyl -3- chloro-4-methoxy formoxyl pyrazoles -5- bases) sulfonylureas, also known as：Pyrrole chlorsulfuron.
Halosulfuronmethyl belongs to new sulfonic acid carbamide herbicides, is a kind of inhibitor of acetolactate synthestase, passes through the root of weeds, stem
Absorb, conducted in plant, weeds are to stop growing, then withered with leaf.It is mainly used in preventing and kill off broad leaved weed and Cyperaceae
Weeds, such as piemarker, storehouse ear, datura, artemisiifolia, Amaranthus retroflexus, flowerofanhour root or herb, knotweed, purslane, black nightshade, Cassia, lead a cow, the rhizome of nutgrass flatsedge
Deng.Suitable for crop such as wheat, corn, paddy rice, sugarcane, lawn etc., before seedling and after seedling can be applied.Because of it in crop rapid generation
Thank for harmless object, therefore to crop safety.
Propyzamide (propyzamide), other titles：Pentyl xanthate, pronamide, molecular formula：C12H11Cl2NO, changes
Scientific name claims：N- (1,1- dimethyl propargyl) -3,5- dichloro-benzamides.Propyzamide is a kind of selective acyl of Uptake and translocation
Amine herbicide, its mechanism of action is conducted by Root Absorption, disturbs the mitosis of weeds cell.Main preventing and treating unifacial leaf
Weeds, to broad leaf crop safety.Lasting period in soil is up to 60d or so.Emerging for weeds can be effectively controlled, even if emerging
Afterwards, medicament death can be still absorbed by bud scale.It is better than after seedling early stage medication effect before rear bud typically to broadcast.Available for soybean, corn,
Peanut and other crops prevent and kill off a variety of annual and perennial grassy weed and some broad leaved weeds.
In recent years, excessively using due to herbicide, makes weeds increasing to the resistance of agricultural chemicals.And halosulfuronmethyl,
When propyzamide is used alone as single dose, herbicide controlling spectrum is narrow, and drug action is undesirable, so as to cause weed control efficacy year by year
Reduction.
The content of the invention
The purpose of the present invention is for problem and the single use preventing and treating effect of being developed immunity to drugs in the prior art to farmland weed
Really poor the problem of, has height there is provided a kind of mixed herbicide containing halosulfuronmethyl and propyzamide, the Herbicidal combinations
Imitate wide spectrum, reduce pesticide usage amount, reduce residues of pesticides, Environmental compatibility is good, to person poultry safety the advantages of.
It is a further object of the present invention to provide application of the herbicide in cornfield weeding.
The purpose of the present invention is achieved through the following technical solutions：
A kind of mixed herbicide containing halosulfuronmethyl and propyzamide, it is characterised in that the herbicide is with the phonetic sulphur of chlorine pyrrole
Grand is principle active component with propyzamide, and described halosulfuronmethyl and the mass ratio of propyzamide are 0.1~80：
0.1~80.
Described halosulfuronmethyl and the mass ratio of propyzamide are preferably 1~60：1~60, more preferably 2.5
~14：1.
The weight/mass percentage composition of both described halosulfuronmethyl and propyzamide in mixed herbicide be 1~
85%, preferably 6~75%, more preferably 20~75%.
In the halosulfuronmethyl of the present invention and the binary built preparation of propyzamide, except active ingredient halosulfuronmethyl
With outside propyzamide, 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.Described formulation is preferably processed into wettable powder, aqueous emulsion, water
One kind in dispersible granule, suspending agent, missible oil, microemulsion.
Application of the mixed herbicide of the present invention in cornfield weeding, especially at 1 year in corn field is prevented and kill off
Raw and perennial grassy weed, the application of sedge weed and broad leaved weed have notable preventive effect, are the corn crops of high-quality
Chemical herbicide.
Compared to the prior art, beneficial effects of the present invention：
The combinations of herbicides of the present invention, it is excellent with broad weed-killing spectrum, instant effect, efficient, low toxicity, the low, safety and environmental protection of residual etc.
Point, it is possible to reduce pesticide usage amount, reduces residues of pesticides, Environmental compatibility is good, to person poultry safety the advantages of, be the corn of high-quality
Crop chemistry herbicide.
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 effective ingredient consumption is reduced, but drastically increases the removing activity of herbicide.
2nd, herbicidal spectrum is wide, and the lasting period is long.Halosulfuronmethyl belongs to new sulfonic acid carbamide herbicides, is that a kind of acetolactic acid is closed
Into the inhibitor of enzyme, propyzamide is a kind of selective acetamide-group herbicides of Uptake and translocation, and both mechanisms are different, both
After mixing, herbicidal spectrum is wider, can prevent and kill off annual and perennial grassy weed, sedge weed and broad leaved weed.
3rd, it is safe.Because the use content of various active ingredients is reduced, medicament is set to improve the premise of drug effect
Under, it residues of pesticides reduced, it also avoid also being improved to corn and succession crop security, it is to avoid agricultural chemicals is to people
Livestock products give birth to the possibility of residual hazard.
Specific embodiment
Embodiment 1
Halosulfuronmethyl 70%, propyzamide 5%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, sodium lignin sulfonate
5%, plus kaolin, to 100%, it is 75% wettable powder to be configured to weight/mass percentage composition according to conventional formulation method.
Embodiment 2
Halosulfuronmethyl 15%, propyzamide 5%, APES 3%, castor oil polyoxyethylene ether 2%,
Xanthans 0.1%, dimethylbenzene 20%, ethylene glycol 5% adds water to 100%, and quality percentage is configured to according to conventional formulation method
Content is 20% aqueous emulsion.
Embodiment 3
Halosulfuronmethyl 50%, propyzamide 20%, sodium lignin sulfonate 5%, lauryl sodium sulfate 2%, sulfuric acid
Ammonium 5%, plus kaolin are configured to the water dispersible granules that weight/mass percentage composition is 70% to 100% according to conventional formulation method.
Embodiment 4
Halosulfuronmethyl 40%, propyzamide 10%, dioctyl succinate disulfonate acid 0.5%, sodium lignin sulfonate
2.5%, xanthans 0.15%, glycerine 5%, polysiloxane defoaming agent 0.2% adds water to 100%, according to conventional preparation side
Method is configured to the suspending agent that weight/mass percentage composition is 50%.
Embodiment 5
Halosulfuronmethyl 60%, propyzamide 10%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, ammonium sulfate 3%, poly- second
Enol 2%, plus kaolin are configured to the water-dispersible grain that weight/mass percentage composition is 70% to 100% according to conventional formulation method
Agent.
Embodiment 6
Halosulfuronmethyl 20%, propyzamide 5%, calcium dodecyl benzene sulfonate 5%, APES 3%,
Plus 150# solvent naphthas are configured to the missible oil that weight/mass percentage composition is 25% to 100% according to conventional formulation method.
Embodiment 7
Halosulfuronmethyl 5%, propyzamide 1%, calcium dodecyl benzene sulfonate 5%, castor oil polyoxyethylene ether 5%,
150# solvent naphthas 15%, cyclohexanone 5%, ethylene glycol 5% adds water to 100%, and quality hundred is configured to according to conventional formulation method
Divide the microemulsion that content is 6%.
Embodiment 8
Halosulfuronmethyl 1%, propyzamide 9%, methyl naphthalene sulfonate formaldehyde condensate 6%, Nonyl pheno
Ether 3%, xanthans 0.3%, propane diols 5%, polysiloxane defoaming agent 0.2% adds water to 100%, according to conventional preparation side
Method is configured to the suspending agent that weight/mass percentage composition is 10%.
Embodiment 9
1) toxicity determination test
Using halosulfuronmethyl (A) in embodiment 1~4 and the binary built preparation of propyzamide (B), it is determined to iron
The co-toxicity coefficient of three-coloured amaranth.
Test method：The seed of quantitative acalypha copperleaf is seeded in 9cm Disposable paper cup respectively, 10 are sowed in every glass
~15 seeds, cultivate in illumination box, when 3~6 leaf phase of acalypha copperleaf, are sprayed in crawler crop spray
Processing.Continue to cultivate in greenhouse after processing, routine observation is weighed after each processing after respectively handling the preventive effect to weeds, 30d
Weeds fresh weight, the method proposed by nineteen sixties such as Sun Yunpei, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is more than
120, show that two kinds of active principles have synergistic effect, co-toxicity coefficient is between 80-120, and it is addition to show two kinds of active principles
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 it can be seen from table 1 according to embodiment 1-4 formula, the co-toxicity coefficient after two kinds of active principles are compounded is both greater than
120, illustrating the binary built mixed herbicide of halosulfuronmethyl of the present invention and propyzamide has obvious synergistic effect.
2) field control effectiveness test.
Reagent agent：
4 kinds of re-compounded binary herbicides in embodiment 1~4.
Comparison medicament：
75% halosulfuronmethyl water dispersion granule (commercially available), 50% propyzamide wettable powder (commercially available).
For studying thing：Corn
Maize seedling grows fine, robust plant, without other pest and disease damages.
Control object：
The weeds such as lady's-grass, clearvers, nutgrass flatsedge, acalypha copperleaf.
Test method：
According to the area of experimental plot, the good various medicaments of precise are watered after dilution, using knapsack sprayer, entered
Row even spraying, spraying is from the special Fan spray head of herbicide.During spraying, it should be noted that decoction is uniformly sprayed application into experimental plot
In, anti-Zhiduo County's spray, drain spray phenomenon.
The 20d after medicine, 40d observation weeds death conditions, and compare the activity of weeding of various medicaments respectively after experiment.This
Outside, the growing state (consumption is the consumption of every mu of active ingredient) of crop is also observed in 1-15 days after medicine, to investigate medicine
Whether agent 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)
By table 2, table 3 is understood, Herbicidal combinations of the present invention, which have, expands herbicidal spectrum, activity of weeding is improved, to annual standing grain
Undergraduate course weeds, perennial sedge weed and broad leaved weed all have notable preventive effect, and with quick-acting and lasting effect.
Security survey result of the medicament of table 4 to crop
As shown in Table 4, the corn in each processing cell grows fine, and has no any medicine spot, illustrates various medicaments to corn
It is safe.
Claims (8)
1. a kind of mixed herbicide containing halosulfuronmethyl and propyzamide, it is characterised in that the herbicide is with halosulfuronmethyl
It is active ingredient with propyzamide, the mass ratio of halosulfuronmethyl and propyzamide is 2.5~14：1.
2. the mixed herbicide according to claim 1 containing halosulfuronmethyl and propyzamide, it is characterised in that chlorine pyrrole
Sulfometuron Methyl is 1~85% with weight/mass percentage composition of both propyzamides in mixed herbicide.
3. the mixed herbicide according to claim 2 containing halosulfuronmethyl and propyzamide, it is characterised in that chlorine pyrrole
Sulfometuron Methyl is 6~75% with weight/mass percentage composition of both propyzamides in mixed herbicide.
4. the mixed herbicide according to claim 3 containing halosulfuronmethyl and propyzamide, it is characterised in that chlorine pyrrole
Sulfometuron Methyl is 20~75% with weight/mass percentage composition of both propyzamides in mixed herbicide.
5. according to the mixed herbicide containing halosulfuronmethyl and propyzamide described in any one of claim 1-4, it is special
The auxiliary agent that levy allows on being it using halosulfuronmethyl and propyzamide as active ingredient and agricultural chemicals is configured to any one agent
Type.
6. the mixed herbicide according to claim 5 containing halosulfuronmethyl and propyzamide, it is characterised in that described
Formulation be wettable powder, aqueous emulsion, water dispersible granules, suspending agent, missible oil, microemulsion in one kind.
7. the answering in cornfield weeding of the mixed herbicide containing halosulfuronmethyl and propyzamide described in claim 1
With.
8. the mixed herbicide containing halosulfuronmethyl and propyzamide described in claim 1 is annual in corn field is prevented and kill off
And the application of perennial grassy weed, sedge weed and broad leaved weed.
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| CN201410495230.XA CN105494391B (en) | 2014-09-24 | 2014-09-24 | A kind of mixed herbicide containing halosulfuronmethyl and propyzamide |
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| CN201410495230.XA CN105494391B (en) | 2014-09-24 | 2014-09-24 | A kind of mixed herbicide containing halosulfuronmethyl and propyzamide |
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| CN105494391A CN105494391A (en) | 2016-04-20 |
| CN105494391B true CN105494391B (en) | 2017-08-25 |
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| CN116602296B (en) * | 2023-07-20 | 2023-09-15 | 成武县晨晖环保科技有限公司 | Weeding composition containing propyzamide |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101578046A (en) * | 2006-12-11 | 2009-11-11 | 伊萨格罗股份公司 | Herbicidal compositions |
| CN103068228A (en) * | 2010-06-16 | 2013-04-24 | 陶氏益农公司 | Synergistic herbicidal compositions containing propyzamide and aminopyralid |
| CN103415212A (en) * | 2011-01-10 | 2013-11-27 | 陶氏益农公司 | Synergistic herbicidal composition containing propyzamide and benfluralin |
| CN103820360A (en) * | 2014-01-16 | 2014-05-28 | 南京农业大学 | Degradation bacterium capable of efficiently degrading propyzamide and application thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07267804A (en) * | 1994-03-28 | 1995-10-17 | Idemitsu Kosan Co Ltd | Herbicide composition |
| JP2009120503A (en) * | 2007-11-13 | 2009-06-04 | Hokko Chem Ind Co Ltd | Herbicide |
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2014
- 2014-09-24 CN CN201410495230.XA patent/CN105494391B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101578046A (en) * | 2006-12-11 | 2009-11-11 | 伊萨格罗股份公司 | Herbicidal compositions |
| CN103068228A (en) * | 2010-06-16 | 2013-04-24 | 陶氏益农公司 | Synergistic herbicidal compositions containing propyzamide and aminopyralid |
| CN103415212A (en) * | 2011-01-10 | 2013-11-27 | 陶氏益农公司 | Synergistic herbicidal composition containing propyzamide and benfluralin |
| CN103820360A (en) * | 2014-01-16 | 2014-05-28 | 南京农业大学 | Degradation bacterium capable of efficiently degrading propyzamide and application thereof |
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Effective date of registration: 20180604 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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