CN102792959A - Herbicide composition including mesosulfuron-methyl and dicamba - Google Patents
Herbicide composition including mesosulfuron-methyl and dicamba Download PDFInfo
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- CN102792959A CN102792959A CN2011101330452A CN201110133045A CN102792959A CN 102792959 A CN102792959 A CN 102792959A CN 2011101330452 A CN2011101330452 A CN 2011101330452A CN 201110133045 A CN201110133045 A CN 201110133045A CN 102792959 A CN102792959 A CN 102792959A
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- dicamba
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Abstract
The invention relates to a mixed herbicide composition including mesosulfuron-methyl and dicamba. The herbicide composition employs mesosulfuron-methyl and dicamba as active ingredients, wherein the weight ratio of the active ingredients (dicamba : mesosulfuron-methyl) is 1:0.7-60:1. The herbicide composition has the advantages of low toxicity, weak sensitization, low poison to humans and animals, wide herbicide spectrum and significant synergistic effect for preventing and eradicating weeds, and is particularly suitable for prevention of various weeds in multiple crop fields, especially in wheat fields.
Description
[technical field]
The invention belongs to the pesticide herbicide field, particularly a kind of weed killer herbicide that is used to prevent and treat the wheat paddock weeds, it is by the grand binary herbicidal composition of forming for active component of compound (A) dicamba and compound (B) methyl two sulphurs.
[background technology]
Wheat is one of important crops in the world, and China's wheat annual production accounts for 22% of total output of grain.The harm Wheat Production, influence the factor of wheat yield, except that damage by disease and insect, weeds also are important aspects.Weeds are non-target cultivated plant in the farmland, and its main harm is to strive water, fertilizer, illumination and space with crops, also are the vectors of crop disease and insect simultaneously.China's wheatland crop smothering area accounts for 30% of wheat planting area, and wherein the area of serious harm accounts for 8%, and causing damage accounts for 15% of wheat gross yield, so, for making improving yield of wheat, must prevent and treat weeds.
In recent years, rationally select the wheat paddock weed killer herbicide to become to guarantee the important technical links of wheat safety in production for use, but because drug of choice is improper or operation technique is not in place, control efficiency is undesirable or cause phenomenon such as poisoning to take place repeatedly.The weed killer herbicide kind that can prevent and kill off grassy weed and broad leaved weed at present simultaneously seldom; Generally people use certain weed killer herbicide to prevent and kill off after the grassy weed, and broad leaved weed becomes the dominant population of weeds again, or prevent and kill off after the broad leaved weed; Grassy weed becomes the dominant population of weeds again; Therefore certainly will require the medication of people's repeated multiple times to prevent and kill off all kinds of weeds, waste great amount of manpower and material resources so on the one hand, on the other hand; Cause agricultural chemicals to the pollution of environment and exceeding standard of food residue of pesticide, bring direct harm to human health.So the initiative of new and effective weed killer herbicide and the exploitation of complex preparation with labour intensity that reduces weeding greatly and cost, promote the raising of agricultural modernization degree.
Dicamba is a hormone herbicide; Inhale conduction in having, after medicament sprays, very soon can be by the leaf of weeds, stem, root absorption; Through phloem and xylem to conduction up and down; Focus mostly at meristematic tissue and the vigorous position of metabolic activity, hinder the normal activity of plant hormone, thereby make its death.Methyl two sulphurs are grand also to be interior absorption translocated herbicide, can be absorbed rapidly by weeds cauline leaf and root, conducts rapidly at phloem and xylem subsequently; Through suppressing the biosynthesis of side chain amino acid in the plant corpus; Cause the sensitive plant growth retardation, the cauline leaf chlorisis, withered gradually.Exist bigger limitation on careless spectrum, preventive effect, safety, the cost killing when above weed killer herbicide uses as single agent, therefore, need composite use to reach synergy, reduce consumption, to enlarge the purpose of killing the grass spectrum.
[summary of the invention]
Technical problem to be solved by this invention is, to the deficiency that prior art exists, a kind of technical scheme of Compositional herbicide for cornfield composition is provided, and kills the grass spectrum with what enlarge cornfield herbicidal, reduces the medicament usage amount and to the poisoning of wheat.
The technical scheme that the present invention adopts is; Swelling with compound (A) dicamba and compound (B) methyl two sulphurs is active ingredient; Be aided with solvent, carrier, surfactant and other auxiliary agents and be prepared into any formulation that agricultural goes up permission, wherein most preferred dosage form is a suspending agent.
Said active ingredient is compound (A) dicamba (Dicamba), other title: Dicamba, and chemical name: 3,6-two chloro-O-Anisic Acids, structural formula is:
Compound (B) methyl two sulphurs swell (Mesosulfuron-methyl), other titles: mesosulfuronmethyl, generation agate, and chemical name:
N-[(4,6-dimethoxypyridin-2-yl) aminocarbonyl]-2-methoxycarbonyl group-5-mesyl aminomethyl phenyl sulfonamide, structural formula is:
The weight ratio of said herbicidal composition effective ingredient is compound (A) dicamba: compound (B) methyl two sulphurs swell=1: 0.7～60: 1, are preferably 3: 1～30: 1, are more preferably 8: 1.
The weight percentage of said active ingredient in herbicidal composition is 0.5～90%.
Described solvent is toluene, xylol, alkylbenzene, isopropyl alcohol, butanols, ethylene glycol, diethylene glycol (DEG), triethylene glycol, propane diols, glycerine, sorbierite, phenmethylol, cyclohexanol; And acetone, methyl iso-butyl ketone (MIBK), cyclohexanone, dimethyl formamide, pyrrolidones, carrene, chloroform, carbon tetrachloride or vegetable oil; Can use separately, also can two or more mixing use.
Said carrier comprises rock dust, quartz, clay, montmorillonite, silica, diatomite, float stone, gypsum, bentonite, kaolin, potter's clay, white carbon and the microdispersed silicic acid of the mineral matter that grinds that synthesizes or the aluminium oxide etc. of natural formation.
Described surfactant has lauryl sodium sulfate, Teepol, neopelex, calcium dodecyl benzene sulfonate, polyoxyethylene fatty acid ester, polyoxyethylene aliphatic alcohol ether, polyoxyethylene fatty amine, sodium lignin sulfonate, draws back powder, lauric acid sodium sulphate, alkylol polyethenoxy ether sodium sulfate, OPEO sulphate, APES formaldehyde condensation products sulphate, sodium alkyl sulfonate etc.; Can use separately, can also two or more mixing use.
Said other auxiliary agents have thickener carboxymethyl cellulose, methylcellulose polyvinyl alcohol, silicic acid, aluminium-magnesium silicate, starch derivatives, dextrin, soybean protein, gelatine, sodium sulphate, gypsum, rosin, xanthans, gelatin, gum Arabic, polyvinylpyrrolidone, polyvinyl alcohol, sodium alginate etc.; Disintegrant ammonium sulfate, calcium chloride, magnesium chloride, aluminium chloride, bentonite, urea etc.Above auxiliary agent can use separately also and can two or more mixing use.
Herbicidal compositions according to the invention are mainly used in wheat Tanaka control weeds such as foxtail, wild oats, hard grass, bluegrass, Polypogon grass, Wang grass, brome, plants, candles, grass, Puccinellia, cattle chickweed, shepherd's purse, sophia, cleavers, Vetch, buckwheat, quinoa, cocklebur, field bindweed, Cephalanoplos, horsetail, Polygonum aviculare, Elsholtzia, Channa intestines, smartweed, etc., but not limited to the above weeds.
The present invention possesses following beneficial effect:
In the herbicidal composition of the present invention, each active component is composite in certain ratio range, shows good synergistic effect; The more single agent of mixed composition has obviously improved herbicidal effect; And then reduced using dosage, when reducing drug cost, reduced influence degree to environment.
Enlarged herbicidal spectrum; This herbicidal composition adopts dicamba and the grand use that is mixed of methyl two sulphurs; Because this two components mechanism of action is different; Make a kind of medicament can prevent and treat wheat paddock broad leaved weed and grassy weed simultaneously, and can prolong the preventive effect phase that a dispenser can be controlled the weeds in the wheat paddock whole growing.
In addition, Herbicidal combinations low toxicity of the present invention, low to crop, toxicity to man and livestock, can under the situation that does not injure crop, kill and remove multiple weeds, delay the drug-fast generation of weeds, improve total preventive effect, and reduced application cost, safer to crop.
[embodiment]
Below in conjunction with embodiment the present invention is further specified; Those skilled in the art can use for reference this paper content, suitably improve technological parameter and realize, special needs to be pointed out is; All are similarly replaced and change those skilled in the art is conspicuous, all is regarded as and is included in the present invention.Product of the present invention and application are described through preferred embodiment, and the related personnel obviously can in not break away from content of the present invention, spirit and scope, change or suitably change methods and applications as herein described and combination realizes and use the present technique invention.
FORMULATION EXAMPLE 1:
Take by weighing that 55% dicamba, 20% methyl, two sulphurs are grand, 2% lauryl sodium sulfate, 3% calcium lignosulfonate, 3% dispersant NNO (alkylnaphthalene sulfonate formaldehyde condensation products), kaolin add to 100% weight portion.The frequent regulation of above-mentioned raw materials is equipped with the promptly preceding mixing of method, comminution by gas stream, the back of wetting powder and mixes, and promptly gets the grand wetting powder of said 75% dicamba methyl, two sulphurs.
FORMULATION EXAMPLE 2:
Take by weighing that 58% dicamba, 2% methyl, two sulphurs are grand, 2% lauryl sodium sulfate, 4% calcium lignosulfonate, 3%TERSPERSE2700,2% nekal, 3% white carbon, kaolin add to 100% weight portion.The frequent regulation of above-mentioned raw materials is equipped with the promptly preceding mixing of method, comminution by gas stream, the back of wetting powder and mixes, and promptly gets the grand wetting powder of said 60% dicamba methyl, two sulphurs.
FORMULATION EXAMPLE 3:
Take by weighing that 18% dicamba, 22% methyl, two sulphurs are grand, 1% lauryl sodium sulfate, 3% polycarboxylate, 2% alkylnaphthalene sulfonate, precipitated calcium carbonate add to 100% weight portion.The method that the frequent regulation of above-mentioned raw materials is equipped with water dispersible granules promptly before mixing, comminution by gas stream, after mix, add water kneading, granulation, screening and promptly get said 40% dicamba methyl, two sulphur precititation dispersible granules.
FORMULATION EXAMPLE 4:
Take by weighing that 70% dicamba, 10% methyl, two sulphurs are grand, 4%TERSPERSE 2700,2% dispersant NNO, 1% lauryl sodium sulfate, 1% nekal, 1% carboxymethyl cellulose, 3% urea, diatomite add to 100% weight portion.The frequent regulation of above-mentioned raw materials is equipped with the promptly preceding mixing of method, ultra micro comminution by gas stream, the back of water dispersible granules and mixes, and adds water kneading, granulation, screening and promptly gets said 80% dicamba methyl, two sulphur precititation dispersible granules.
FORMULATION EXAMPLE 5:
Take by weighing that 32% dicamba, 4% methyl, two sulphurs are grand, 5% APES phosphate, 3% alkylsulfonate, 2% ethylene glycol, anhydrous sodium sulfate add to 100% weight portion.The method that the frequent regulation of above-mentioned raw materials is equipped with suspending agent is that high speed shear is disperseed, sand milling is pulverized, is in harmonious proportion, and promptly gets the grand suspending agent of said 36% dicamba methyl, two sulphurs.
FORMULATION EXAMPLE 6:
Take by weighing that 8% dicamba, 2% methyl, two sulphurs are grand, 3%TERSPERSE 4894,1%TERSPERSE 2500,2% dispersing agent NNO, 0.3% xanthans, 5% propane diols, 0.5% benzoic acid, 0.5% silicone defoaming agent, deionized water add to 100% weight portion.The frequent regulation of above-mentioned raw materials is equipped with that the method for oil suspending agent is promptly mixed, high speed shear 30min, with promptly getting the grand suspending agent of said 10% dicamba methyl, two sulphurs behind the sand mill sand milling.
Give birth to and survey embodiment:
Prevent and kill off wheat paddock weeds field control effectiveness test I:
1, test is handled
(1) 36% dicamba methyl two sulphurs swell wetting powder (1: 0.7) 20g/ mu
(2) 36% dicamba methyl two sulphurs swell wetting powder (3: 1) 20g/ mu
(3) 36% dicamba methyl two sulphurs swell wetting powder (8: 1) 20g/ mu
(4) 36% dicamba methyl two sulphurs swell wetting powder (15: 1) 20g/ mu
(5) 36% dicamba methyl two sulphurs swell wetting powder (30: 1) 20g/ mu
(6) 36% dicamba methyl two sulphurs swell wetting powder (60: 1) 20g/ mu
(7) 48% dicamba aqua 15ml/ mus
(8) 3% methyl two sulphurs swell oil suspending agent 240ml/ mu
8 processing are established in test, and 4 repetitions are handled sub-districts for totally 32,20 square metres of every processing sub-district areas, and district's group is arranged at random.(1)～(6) the grand wetting powder (Shandong Binnong Technology Co., Ltd.'s production) of dicamba methyl two sulphurs is for supplying the reagent agent, and the grand oil suspending agent of 48% dicamba aqua and 3% methyl, two sulphurs is the contrast medicament.Convert 30 kilograms in water for every mu, adopt 552 third type sprayers (0.7mm aperture) even spraying.The field main weeds has descurainia sophia (l.) webb ex prantl, shepherd's purse, clearvers, hard grass, bromegrass, amur foxtail etc.
2, pilot project and method
(1) safety: after the dispenser, the situation of growing of investigation wheat is estimated and is supplied the safety of reagent agent to wheat.
(2) herbicidal effect: every sub-district is got 4 points at random, investigates 1/4 square metre at every, and 30 days investigation weed control efficacies write down weeds kind and strain number respectively after the dispenser, calculate weeds strain preventive effect.
(3) result of the test
Safety: the dispenser " Invest, Then Investigate ", chemicals treatment district wheat plant height, Ye Se and blank district basically identical show to supply the grand wetting powder of reagent agent (1)～(6) dicamba methyl two sulphurs all to wheat safety.
Herbicidal effect: see Table I.
30 days various weed control efficacies behind the Table I medicine
Annotate: (1) 36% dicamba methyl two sulphurs swell wetting powder (1: 0.7)
(2) 36% dicamba methyl two sulphurs swell wetting powder (3: 1)
(3) 36% dicamba methyl two sulphurs swell wetting powder (8: 1)
(4) 36% dicamba methyl two sulphurs swell wetting powder (15: 1)
(5) 36% dicamba methyl two sulphurs swell wetting powder (30: 1)
(6) 36% dicamba methyl two sulphurs swell wetting powder (60: 1)
(7) 48% dicamba aquas
(8) 3% methyl two sulphurs swell oil suspending agent
Can know by Table I; The grand wetting powder of dicamba methyl two sulphurs of different proportionings to common weed strain preventive effect between 71.43～97.23%; All be superior to contrasting the grand oil suspending agent (weeds strain preventive effect is respectively 58.20% and 60.09%) of medicament 48% dicamba aqua and 3% methyl, two sulphurs; Wherein the grand weight ratio of dicamba and methyl two sulphurs is that 3: 1 and 15: 1 are all remarkable to wheat paddock common weed preventive effect; Weeds strain preventive effect is all more than 80%, and dicamba: grand=8: the 1 o'clock preventive effect of methyl two sulphurs is especially up to more than 97%.Explanation thus; The grand weight ratio of dicamba and methyl two sulphurs is in 1: 0.7～60: 1 scopes, and grass family and the broad leaved weed common to wheatland all have preventive effect, and the lasting period was greater than one month; Basically can control the crop smothering of wheat paddock whole growth phase, and this herbicidal composition is to wheat safety.
Prevent and kill off wheat paddock weeds field control effectiveness test II:
1, test is handled
(1) 5% dicamba methyl two sulphurs swell wetting powder (8: 1) 144g/ mu
(2) 36% dicamba methyl two sulphurs swell wetting powder (8: 1) 20g/ mu
(3) 80% dicamba methyl two sulphurs swell wetting powder (8: 1) 9g/ mu
3 processing are established in test, and 4 repetitions are handled sub-districts for totally 12,20 square metres of every processing sub-district areas, and district's group is arranged at random.(1)～(3) the grand wetting powder (Shandong Binnong Technology Co., Ltd.'s production) of dicamba methyl two sulphurs is converted 30 kilograms in water for every mu for supplying the reagent agent, adopts 552 third type sprayers (0.7mm aperture) even spraying.The field main weeds has descurainia sophia (l.) webb ex prantl, shepherd's purse, clearvers, hard grass, bromegrass, amur foxtail etc.
2, pilot project and method
Herbicidal effect: every sub-district is got 4 points at random, investigates 1/4 square metre at every, and 30 days investigation weed control efficacies write down weeds kind and strain number respectively after the dispenser, calculate weeds strain preventive effect.
Result of the test: herbicidal effect is seen Table II.
30 days various weed control efficacies behind the Table II medicine
Annotate: (1) 5% dicamba methyl two sulphurs swell wetting powder (8: 1)
(2) 36% dicamba methyl two sulphurs swell wetting powder (8: 1)
(3) 80% dicamba methyl two sulphurs swell wetting powder (8: 1)
Can know by Table II; When the grand weight ratio of dicamba and methyl two sulphurs is 8: 1; The grand wetting powder of dicamba methyl two sulphurs of different content to common weed strain preventive effect all more than 96%; Show that the herbicidal composition of different activities component content all had significant preventive effect to weeds when the grand weight ratio of dicamba and methyl two sulphurs was optimal proportion.
Living test is tested the result and is shown; Dicamba and methyl two sulphurs grand composite after; Two active component ratios are between 1: 0.7～60: 1, and the weight percentage in herbicidal composition is in 0.5～90% scope, compare with single agent separately; Preventive effect to weeds is significantly improved, and has reached the purpose of preventing and kill off broad leaved weed and grassy weed simultaneously.
Claims (7)
1. a compound herbicide composition is characterized in that active component comprises compound (A) dicamba, and structural formula is:
And compound (B) methyl two sulphurs are grand, and structural formula is:
2. the weight ratio of compound (A) and compound (B) was during activity was organized in the herbicidal composition according to claim 1: (A) dicamba: (B) methyl two sulphurs grand=1: 0.7～60: 1.
3. herbicidal composition according to claim 2, it is characterized in that the active component weight ratio is (A) dicamba: (B) methyl two sulphurs grand=3: 1～30: 1.
4. according to claim 1 and 2 described herbicidal compositions, it is characterized in that the mass percent of active component in herbicidal composition is 0.5～90%.
5. herbicidal composition according to claim 1 is characterized in that except that active component, also comprises solvent, carrier, surfactant and other auxiliary agents.
6. according to the said herbicidal composition of claim 5, it is characterized in that said combination dosage form can be that agricultural goes up any formulation that allows.
7. according to the described herbicidal composition of claim 1～6, it is characterized in that preventing and kill off the wheat paddock weeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101330452A CN102792959A (en) | 2011-05-23 | 2011-05-23 | Herbicide composition including mesosulfuron-methyl and dicamba |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101330452A CN102792959A (en) | 2011-05-23 | 2011-05-23 | Herbicide composition including mesosulfuron-methyl and dicamba |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102365967A (en) * | 2011-12-01 | 2012-03-07 | 联保作物科技有限公司 | Wheat field herbicide composition and preparation thereof |
| CN102550585A (en) * | 2012-01-16 | 2012-07-11 | 河北博嘉农业有限公司 | Mesosulfuron-methyl compound herbicide |
| CN104604915A (en) * | 2013-11-04 | 2015-05-13 | 南京华洲药业有限公司 | Dicamba and pyrazosulfuron-ethyl herbicidal composition and application thereof |
| CN106070286A (en) * | 2016-06-24 | 2016-11-09 | 河北冠润药业股份有限公司 | A kind of wheat paddock herbicide |
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| CN1390456A (en) * | 2002-07-26 | 2003-01-15 | 李美 | Herbcidal mixture of dicamba and nicosulfuron |
| CN1528142A (en) * | 2003-10-10 | 2004-09-15 | 湖南化工研究院 | Sulfonylurea-containing weedicide composition |
| CN1642426A (en) * | 2002-03-05 | 2005-07-20 | 拜尔作物科学有限公司 | Herbicide combinations with special sulfonylureas |
| CN1994087A (en) * | 1998-07-16 | 2007-07-11 | 阿温提斯作物科学有限公司 | Herbicidal compositions with substituted phenylsulfonylureas for controlling weeds in rice |
-
2011
- 2011-05-23 CN CN2011101330452A patent/CN102792959A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1994087A (en) * | 1998-07-16 | 2007-07-11 | 阿温提斯作物科学有限公司 | Herbicidal compositions with substituted phenylsulfonylureas for controlling weeds in rice |
| CN1642426A (en) * | 2002-03-05 | 2005-07-20 | 拜尔作物科学有限公司 | Herbicide combinations with special sulfonylureas |
| CN1390456A (en) * | 2002-07-26 | 2003-01-15 | 李美 | Herbcidal mixture of dicamba and nicosulfuron |
| CN1528142A (en) * | 2003-10-10 | 2004-09-15 | 湖南化工研究院 | Sulfonylurea-containing weedicide composition |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102365967A (en) * | 2011-12-01 | 2012-03-07 | 联保作物科技有限公司 | Wheat field herbicide composition and preparation thereof |
| CN102550585A (en) * | 2012-01-16 | 2012-07-11 | 河北博嘉农业有限公司 | Mesosulfuron-methyl compound herbicide |
| CN104604915A (en) * | 2013-11-04 | 2015-05-13 | 南京华洲药业有限公司 | Dicamba and pyrazosulfuron-ethyl herbicidal composition and application thereof |
| CN104604915B (en) * | 2013-11-04 | 2016-07-06 | 南京华洲药业有限公司 | A kind of Herbicidal combinations containing Mediben and pyrazosulfuron and application thereof |
| CN106070286A (en) * | 2016-06-24 | 2016-11-09 | 河北冠润药业股份有限公司 | A kind of wheat paddock herbicide |
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Application publication date: 20121128 |