CN104604870B - Composition pesticide and its application containing dichloro quinolinic acid and clopyralid - Google Patents
Composition pesticide and its application containing dichloro quinolinic acid and clopyralid Download PDFInfo
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- CN104604870B CN104604870B CN201510079137.5A CN201510079137A CN104604870B CN 104604870 B CN104604870 B CN 104604870B CN 201510079137 A CN201510079137 A CN 201510079137A CN 104604870 B CN104604870 B CN 104604870B
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- clopyralid
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- quinolinic acid
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Abstract
The invention discloses a kind of composition pesticide and its application containing dichloro quinolinic acid and clopyralid, the active component of the composition pesticide is dichloro quinolinic acid and clopyralid, and dichloro quinolinic acid is (1～150): (1～50) with the weight ratio of clopyralid.The composition pesticide shows obvious synergistic effect in the range of said ratio, and prevention effect is significantly improved than single dose, reduces dosage, times for spraying and the drug cost of agricultural chemicals, reduces adverse effect of the agricultural chemicals to ecological environment.The composition pesticide can effectively prevent and kill off winter rape field, spring rape field broad leaved weed, especially the peculiar effect of the weeds such as antagonism clearvers, chickweed, can extend the service life of medicament, the comprehensive regulation important in inhibiting to Weed Resistance.
Description
Technical field
The invention belongs to technical field of pesticide, and in particular to it is a kind of for Controlling Weeds in Rape Fields field weed containing dichloro quinolinic acid and
The composition pesticide of clopyralid.
Background technology
Rape is occupied in China first of five big oil crops, and its production history is long, is important edible oil and protein feed
Source.The harm of Rapeseed Field broad leaved weed is serious, restricts high yield, the stable yields of rape.Summer ripe fields broad leaved weed is anti-divided by sulphonyl
Based on carbamide herbicides, long-term single use causes summer ripe fields broad leaved weed resistance development to spread rapidly.Therefore, visit and grind anti-
Except the safe efficient herbicide of Rapeseed Field broad leaved weed is particularly important.
The chemical name of dichloro quinolinic acid is 3,7- dichloroquinoline -8- carboxylic acids, belongs to quinoline carboxylic acid herbicide, can pass through
Weeds root and leaf absorb, the neutron absorption that can be also germinateed, and conduct in plant body, weeds poisoning symptom and auxin material
Effect symptom it is similar, i.e., with hormone like herbicide the characteristics of.
The chemical name of clopyralid is 3,6- dichloropyridine -2- carboxylic acids, belongs to plant hormone class herbicide, at cauline leaf
After reason, Jing leaves or root absorption, are divided a word with a hyphen at the end of a line in plant up and down, pass to rapidly whole plant, and the mechanism of action of its herbicide is planted for promotion
The formation of thing nucleic acid, produces excessive ribonucleic acid, causes root growth excess, stem and leaf growth deformity, nutrient consumption, dimension pipe
Beam transporting function is obstructed, and causes weeds dead.
The content of the invention
An object of the present invention is for the single use prevention effect of herbicide in prior art is poor, first use
Be difficult to pernicious broad leaved weed in effective control rape whole breeding time, the problems such as Weed Resistance is serious, there is provided it is a kind of to contain two chloroquines
Quinoline acid and the composition pesticide of clopyralid.
It is a further object of the present invention to provide the above-mentioned application containing dichloro quinolinic acid and the composition pesticide of clopyralid.
The technical scheme for realizing one of the object of the invention is：A kind of pesticide combination containing dichloro quinolinic acid and clopyralid
Thing, its active component is dichloro quinolinic acid and clopyralid, the weight ratio of dichloro quinolinic acid and clopyralid for (1～
150): (1～50), preferably 1: 3,3: 5,5: 1,5: 3 or 7: 1.
The formulation of the composition pesticide is acceptable any one formulation on agricultural chemicals, including wettable powder, moisture
Shot agent, suspending agent, microemulsion, finish, suspension emulsion, missible oil, aqueous emulsion or oil-suspending agent, preferably wettable powder, water
Dispersible granule, suspending agent or oil-suspending agent.The preparation technology of various formulations is existing known technology.
The active component accounts for the 1%～90% of composition pesticide gross weight, and preferably 20%～64%, remaining is auxiliary material.
The auxiliary material selected from wetting agent, dispersant, stabilizer, spreader-sticker, preservative, bleeding agent, antifreezing agent, defoamer,
Thickener, disintegrant, solvent, filler etc..The wetting agent be neopelex, calcium dodecyl benzene sulfonate, 12
Sodium alkyl sulfate, alkylnaphthalene sulfonate, alkyl phenol formaldehyde resin polyoxyethylene ether, aliphatic alcohol sulfate, phenethyl phenol polyoxy
One or more in vinethene, NPE；The dispersant be lignosulfonates, alkylbenzenesulfonate,
APES, NPE, alkyl ethyl sulfonate, alkylnaphthalene sulfonate formaldehyde condensation products, poly- carboxylic
One or more in hydrochlorate；The stabilizer be epoxidized vegetable oil, such as the one kind in epoxidized soybean oil, epoxidized linseed oil or
It is several；The spreader-sticker is polyvinyl alcohol, alkyl diphenyl ether disulphonic acid sodium, poly- trisiloxanes, the one kind in triethanolamine oleate
Or it is several；The thickener is organobentonite, xanthans, Arabic gum, polyvinyl alcohol, Magnesiumaluminumsilicate, carboxymethylcellulose calcium
One or more in sodium；The disintegrant is urea, ammonium sulfate, starch, one or more in starch derivatives；It is described molten
Agent is water, methyl oleate, soybean oil, white oil, turpentine oil, one or more in methyl naphthalene higher aliphatic hydrocarbon ils；Described filler
For one or more in white carbon, cornstarch, kaolin, diatomite, sodium sulphate.
The technical scheme for realizing another object of the present invention is：The above-mentioned pesticide combination containing dichloro quinolinic acid and clopyralid
Application of the thing in winter rape field, spring rape field broad leaved weed is prevented and kill off.
When specifically preventing and kill off, use in the weeds 2-3 leaf phases.
Using method is usually spray-on process, it is also possible to as needed using the additive method agriculturally applied.
The good effect that the present invention has：(1) composition pesticide of the invention is shown in certain ratio range substantially
Synergistic effect, prevention effect is significantly improved than single dose, reduce dosage, times for spraying and the medication of agricultural chemicals into
This, reduces adverse effect of the agricultural chemicals to ecological environment.(2) composition pesticide of the invention expands herbicidal spectrum, a drug
Solve to compensate for the defect and limitation when single dose is used with various weed problems.(3) composition pesticide of the invention can have
Imitate and prevent and kill off winter rape field, spring rape field broad leaved weed, especially the peculiar effect of the weeds such as antagonism clearvers, chickweed, medicine can be extended
The service life of agent, the comprehensive regulation important in inhibiting to Weed Resistance.(4) composition pesticide drug effect of the invention plays fast
Speed, lasting period are long, and use cost is low, easy to use, time saving and energy saving, and its popularization and application has huge economic benefit and society's effect
Benefit.
Specific embodiment
With reference to specific embodiment, the present invention is further illustrated.Described below is only that the present invention is preferably implemented
Example, is used only for the description present invention, it is impossible to be interpreted as limiting the scope of the present invention.It should be pointed out that all in the present invention
Spirit and principle within any modification, equivalent and the improvement made etc., should be included in protection scope of the present invention it
It is interior.
In following examples, unless otherwise indicated, all percentages are weight percentage.
(embodiment 1)
20% dichloro quinolinic acid clopyralid oil-suspending agent：Dichloro quinolinic acid 5%, clopyralid 15%, benzene second
Base phenol APEO 5%, sodium lignin sulfonate 8%, epoxidized soybean oil 5%, organobentonite 5%, methyl oleate is supplied
100%.
After dichloro quinolinic acid is mixed with solvent, then unclassified stores (except organobentonite) is added to into reactor together
In mixer, stir, material is injected in multistage sand mill and is ground, the fineness of materials 98% after grinding is by after 1～5 μm
Discharging, material are being put in high-shear emulsifying kettle together with the organobentonite for having dissolved in advance, and 20% is can be made into after emulsification
Dichloro quinolinic acid clopyralid oil-suspending agent.
(embodiment 2)
32% dichloro quinolinic acid clopyralid suspending agent：Dichloro quinolinic acid 12%, clopyralid 20%, phenethyl
Phenol APEO 5%, sodium lignin sulfonate 8%, ethylene glycol 5%, aluminium-magnesium silicate 2%, defoamer 0.5%, preservative
0.1%, xanthans 0.1%, water supplies 100%.
After dichloro quinolinic acid is mixed with water, then unclassified stores (except xanthans) is added to into reactor mixer together
In, stirring, material is injected in multistage sand mill and is ground, the fineness of materials 98% after grinding discharges after passing through 1～5 μm,
Material is being put in high-shear emulsifying kettle together with the xanthans for having dissolved in advance, and 32% dichloroquinoline is can be made into after emulsification
Acid dichloride pyridine acid suspending agent.
(embodiment 3)
36% dichloro quinolinic acid clopyralid wettable powder：Dichloro quinolinic acid 30%, clopyralid 6%, ten
Sodium dialkyl sulfate 2%, sodium butylnaphthalenesulfonate 3%, calcium lignosulfonate 5%, white carbon 5%, kaolin supplies 100%.
After dichloro quinolinic acid is mixed with filling adsorption, it is well mixed during cone-type mixer is added together with other materials,
Crush by airslide disintegrating mill, the Jing cone-type mixers mixing again of the material after crushing, mixed fineness of materials 98% pass through 325
Mesh standard sieve is obtained 36% dichloro quinolinic acid clopyralid wettable powder.
(embodiment 4)
56% dichloro quinolinic acid clopyralid water dispersible granules：Dichloro quinolinic acid 35%, clopyralid 21%, ten
Sodium dialkyl sulfate 4%, polycarboxylate 5%, urea 10%, kaolin supplies 100%.
After dichloro quinolinic acid is mixed with filling adsorption, it is well mixed during cone-type mixer is added together with other materials,
Crush by airslide disintegrating mill, the Jing cone-type mixers mixing again of the material after crushing, mixed fineness of materials 98% pass through 325
Mesh standard sieve, is kneaded into plasticity material in adding kneader, this material is put into extruder grain in Squeezinggranulator finally, is made
After grain, Jing is dried, screening is obtained 56% dichloro quinolinic acid clopyralid water dispersible granules.
(embodiment 5)
64% dichloro quinolinic acid clopyralid oil-suspending agent：Dichloro quinolinic acid 56%, clopyralid 8%, benzene second
Base phenol APEO 5%, sodium lignin sulfonate 8%, epoxidized soybean oil 5%, organobentonite 5%, methyl oleate is supplied
100%.
Preparation method is with embodiment 1.
(test example 1)
This test example is the synergy of dichloro quinolinic acid and clopyralid mixture to weeds.
Test material：Clearvers, chickweed.In May, 2013 is picked up from the experimental plot of Jiangsu Province Agriculture Science Institute, adopts rear room temperature bar
Natural air drying under part, loads paper bag, is placed in 4 DEG C of ± 0.5 DEG C of Refrigerator stores.
Test apparatus：PWT-510 type spray towers, plum Teller AB135-S electronic balances, volumetric flask, triangular flask, beaker, amount
Cylinder, polypots, pipette, chi, scissors etc..
Test method：A certain amount of dichloro quinolinic acid and clopyralid active compound are weighed first, after adding methyl alcohol fully to dissolve
Diluted with the 0.1% Tween 80 aqueous solution, be configured to single dose mother liquor, serial proportioning is arranged according to mixture purpose, each proportioning sets
Put 5-7 concentration gradient stand-by.Polypots (15cm × 11cm × 7cm) is filled into air-dried fine earth, with polypots bottom infiltrating irrigation side
Formula, makes soil moisten completely.Soil is horse liver soil, and pH is 6.7, the content of organic matter 1.6%, is air-dried standby after sieving.Each modeling
Material alms bowl is broadcast clearvers 25, chickweed 25 respectively and broadcasts rear fine earth covering, thickness about 0.2cm.Cultivate in heliogreenhouse to weeds 2-3
Ye Qi, cauline leaf spraying treatment are watered 30kg/667m2.(precision spraying area is 0.2m to the spraying of PWT-510 type spray towers quantification2,
Spraying liquid 10mL, spray value are 500L/hm2, atomisation pressure is 0.5kPa).After spray after liquid natural air drying on plastic bowl,
It is placed in heliogreenhouse and cultivates, keeps the skin wet holding ground moistening daily.
The growing state of routine observation clearvers and chickweed seedling after medicine.30 days investigation clearvers and chickweed overground part after medicine
Fresh weight, calculates preventive effect of the fresh weight inhibition i.e. to target weeds.Using DPS data handling systems obtain dichloro quinolinic acid,
The virulence regression equation of clopyralid single dose and 9 two-spot mixed agents, calculates ED50Value and 95% confidence limit.Use Sun Yunpei
Method calculates co-toxicity coefficient.Co-toxicity coefficient is expressed as synergistic effect more than 120, antagonism is expressed as less than 80, between 80～120
It is expressed as summation action.
Result of the test：Medicine is post-processed 20 days and is observed, and dichloro quinolinic acid and clopyralid press (1～150): (1～50) ratio
After example mixture is applied, clearvers and chickweed partial blade turn to be yellow to withered, to the inhibitory action of clearvers and chickweed with drug concentration
Increase and rise, to clearvers and chickweed with very high biologically active.
30 days after medicine, the 9 two-spot mixture combinations of dichloro quinolinic acid and clopyralid have obvious to the fresh weight of clearvers
Inhibitory action, co-toxicity coefficient is all higher than 120, shows as synergistic effect (being shown in Table 1).
Table 1
30 days after medicine, the 9 two-spot mixture combinations of dichloro quinolinic acid and clopyralid also have obvious to the fresh weight of chickweed
Inhibitory action, co-toxicity coefficient is all higher than 120, shows as synergistic effect (being shown in Table 2).
Table 2
(test example 2)
This test example is field control effectiveness test.
Reagent agent：20% dichloro quinolinic acid clopyralid oil-suspending agent of embodiment 1, the 32% 2 of embodiment 2
36% dichloro quinolinic acid clopyralid wettable powder of chloro-quinolinic acid clopyralid suspending agent and embodiment 3.
Comparison medicament：50% dichloro quinolinic acid wettable powder (commercial), 30% clopyralid water dispersible granules (city
Purchase), artificial weeding and clear water control.
Using method：Using spray-on process.
Spraying time：The Rapeseed Field of on November 3rd, 2014 (Qin's oil 7), in 3 leaf phase dispenser of weeds.
Respondent and method：Clearvers, chickweed, the fresh weight and plant height of the fresh weight and rape of 30 days investigation weeds after medicine,
Result of the test is shown in Table 3 and table 4 respectively.
Table 3
As can be seen from Table 3：The composition pesticide of the present invention has obvious effect, preventive effect to Rapeseed Field clearvers, chickweed
Higher than single dose preventive effect.
Table 4
As can be seen from Table 4：The composition pesticide of the present invention is higher to Brassica campestris L seedling security.
(test example 3)
With reference to the method for test example 2, the 56% dichloro quinolinic acid clopyralid water dispersible granules and reality to embodiment 4
The 64% dichloro quinolinic acid clopyralid oil-suspending agent for applying example 5 carries out field control effectiveness test.Confirm：Each mixed herbicide tool
There is obvious synergistic effect, all there is to rape field weed significant preventive effect, effect is significant is used better than single dose, and the lasting period
It is long.
Claims (8)
1. a kind of composition pesticide containing dichloro quinolinic acid and clopyralid, it is characterised in that：Its active component is two chloroquines
Quinoline acid and clopyralid, dichloro quinolinic acid with the weight ratio of clopyralid is（1～150）∶（1～50）.
2. the composition pesticide containing dichloro quinolinic acid and clopyralid according to claim 1, it is characterised in that：It is described
Dichloro quinolinic acid is 1: 3,3: 5,5: 1,5: 3 or 7: 1 with the weight ratio of clopyralid.
3. the composition pesticide containing dichloro quinolinic acid and clopyralid according to claim 1 and 2, it is characterised in that：
The formulation of the composition pesticide be wettable powder, water dispersible granules, suspending agent, microemulsion, finish, suspension emulsion, missible oil or
Person's aqueous emulsion；The suspending agent is aqueous suspension agent or oil-suspending agent.
4. the composition pesticide containing dichloro quinolinic acid and clopyralid according to claim 3, it is characterised in that：It is described
The formulation of composition pesticide is wettable powder, water dispersible granules or suspending agent；The suspending agent is aqueous suspension agent or oil
Suspending agent.
5. the composition pesticide containing dichloro quinolinic acid and clopyralid according to claim 1 and 2, it is characterised in that：
The active component accounts for the 1%～90% of composition pesticide gross weight.
6. the composition pesticide containing dichloro quinolinic acid and clopyralid according to claim 5, it is characterised in that：It is described
Active component accounts for the 20%～64% of composition pesticide gross weight.
7. the composition pesticide containing dichloro quinolinic acid and clopyralid described in claim 1 or 2 is preventing and kill off winter rape field, spring
Application in Rapeseed Field broad leaved weed.
8. application according to claim 7, it is characterised in that：When winter rape field, spring rape field broad leaved weed is prevented and kill off, in
The weeds 2-3 leaf phases use.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510079137.5A CN104604870B (en) | 2015-02-13 | 2015-02-13 | Composition pesticide and its application containing dichloro quinolinic acid and clopyralid |
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| CN201510079137.5A CN104604870B (en) | 2015-02-13 | 2015-02-13 | Composition pesticide and its application containing dichloro quinolinic acid and clopyralid |
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| CN104604870A CN104604870A (en) | 2015-05-13 |
| CN104604870B true CN104604870B (en) | 2017-03-29 |
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| CN111264527A (en) * | 2020-04-08 | 2020-06-12 | 济南天邦化工有限公司 | Compound herbicide of quinclorac and triclopyr |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6369001B1 (en) * | 1999-08-11 | 2002-04-09 | Monsanto Technology, Llc | Microemulsion coformulation of a graminicide and a water-soluble herbicide |
| CN1487789A (en) * | 1999-11-17 | 2004-04-07 | Selective herbicides based upon 2,6-disubstituted pyridine derivatives | |
| CN101507439A (en) * | 2009-03-30 | 2009-08-19 | 北京颖泰嘉和科技股份有限公司 | Herbicide combination and use thereof |
-
2015
- 2015-02-13 CN CN201510079137.5A patent/CN104604870B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6369001B1 (en) * | 1999-08-11 | 2002-04-09 | Monsanto Technology, Llc | Microemulsion coformulation of a graminicide and a water-soluble herbicide |
| CN1487789A (en) * | 1999-11-17 | 2004-04-07 | Selective herbicides based upon 2,6-disubstituted pyridine derivatives | |
| CN101507439A (en) * | 2009-03-30 | 2009-08-19 | 北京颖泰嘉和科技股份有限公司 | Herbicide combination and use thereof |
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