CN107006512A - A kind of Herbicidal combinations and its application - Google Patents
A kind of Herbicidal combinations and its application Download PDFInfo
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- CN107006512A CN107006512A CN201710383036.6A CN201710383036A CN107006512A CN 107006512 A CN107006512 A CN 107006512A CN 201710383036 A CN201710383036 A CN 201710383036A CN 107006512 A CN107006512 A CN 107006512A
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- carfentrazone
- anilofos
- herbicide
- herbicidal combinations
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
- A01N57/14—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing aromatic radicals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Present invention relates particularly to the Herbicidal combinations containing anilofos and carfentrazone and its application, active ingredient is anilofos, carfentrazone.Anilofos are 40 with mass ratio of the carfentrazone in Herbicidal combinations:1~1:40, the mass percent in herbicide is 2 82% to anilofos with carfentrazone.The present invention also provides application of the mixed herbicide in agent for removing grass in paddy field, the particularly application in the various grass family, Cyperaceae and the broad leaved weed that are unearthed or will be unearthed is prevented and kill off.Herbicide of the present invention on the premise of drug effect is improved, delays Weed Resistance relative to single dose, and herbicidal spectrum is wide, and the lasting period is long, and high to Security of rice.The present invention is environmentally friendly, meets the idea of development of green agriculture.
Description
Technical field
The invention belongs to agriculture weeding technique field, more particularly to a kind of Herbicidal combinations and its application, and in particular to one
Plant the Herbicidal combinations containing anilofos and carfentrazone and its application.
Background technology
With the aggravation of population in the world quantity, agricultural volume increase is very urgent.Weeds are the primary factor of influence farm output,
Therefore, the control of weeds and prevent and kill off problems demand solution.
Paddy rice is one of main cereal crops of China, and paddy field weeding is a great problem in production.Paddy field weed
Species is a lot, and various regions weeds species survey is different, and national rice region there are about the kind of weeds more than 200, wherein common generation is universal, harm
Serious main weeds there are about 40 kinds, and such as annual gramineous weed, sedge weed, annual broadleaf weed are main miscellaneous
Occur in grass with barnyard grass and hazard area is maximum.Paddy field weed and paddy rice strive ground, strive fertilizer, win honour for, strive water, have a strong impact on paddy rice
Yield and quality, according to surveying and determination, paddy rice is more more than 50% every year because crop smothering will typically reduce income 10% or so.In addition, miscellaneous
Grass can also induce pest and disease damage, the vector for having plenty of a variety of disease pests.
For paddy field weed, chemical weed control is the Main Means of current control weeds, it not only effect it is good, weed eradication and
When, be conducive to full stand, strong sprout, and saving of labor, save fertilizer, increase production, increase income, labor intensity is also greatly reduced, large quantities of labours are liberated,
Marched for depth from peasant to agricultural production and range there is provided essential condition.
However, in recent years, because the large area such as some weeding single dose kind such as Lonsters are used alone, already leading to a lot
Weeds develop immunity to drugs, therefore, are badly in need of efficient, low toxicity, economy, the rice terrace novel herbicidal medicament of safety.
The content of the invention
In view of this, the application provides a kind of Herbicidal combinations and its application, the Herbicidal combinations that the present invention is provided efficiently,
Low toxicity, low cost, quick-acting are good, and the lasting period is long, are conducive to the paddy field weed comprehensive regulation.
The present invention provides a kind of Herbicidal combinations, and it includes anilofos and carfentrazone, the matter of the anilofos and carfentrazone
The ratio between amount is 40:1~1:40.
The present invention also provides foregoing Herbicidal combinations and prepared for administering in the herbicide of paddy field weed
Using.
The present invention provides a kind of herbicide, and it includes acceptable auxiliary in foregoing Herbicidal combinations and Pesticide Science
Material.Wherein, weight content of the Herbicidal combinations in herbicide is 2%~82%.
Compared with prior art, the Herbicidal combinations that the present invention is provided are using anilofos and carfentrazone as principle active component.
On the basis of substantial amounts of formula indoor screening test and field medicine effect test, anilofos, carfentrazone are carried out mixture by the present invention,
Synergistic function is shown to paddy field weed in the range of certain mixed ratio, expands herbicide controlling spectrum, relatively conventional weeding
Administration time scope has been widened in agent.It is single using the resistance risk brought, mitigation that the herbicide that the present invention is compounded can reduce agricultural chemicals
Pollution to environment, reduction use cost and reduction herbicide residue, are conducive to the paddy field weed comprehensive regulation.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
The invention provides a kind of Herbicidal combinations containing anilofos and carfentrazone, active ingredient is anilofos, azoles grass
The mass ratio of ester, anilofos and carfentrazone is 40:1~1:40.
Anilofos belong to organic phosphates herbicide, and chemical name is：S-4- chloro- N- cumenes carbamo, lmethyl-O, O
DMDS substituted phosphate, No. CAS is：64249-01-0, molecular weight is 367.85.Sterling is white crystalline solid, fusing point
For 50.5 DEG C~52.5 DEG C；Solubility in acetone, chloroform, toluene is more than 1kg/L, benzene, ethanol, ethyl acetate, dichloromethane
It is more than 200g/L in alkane.Anilofos are decomposed at 150 DEG C, insensitive to light；Stable in pH=5~9, half-life period is in soil
30 days~45 days.
Anilofos are the selective herbicide of absorbability conduction type soil treatment, are caused by suppressing cell division with extending
Effect, belongs to cell division inhibitor.The main stem in the young shoot and ground of plant of anilofos absorbs, notable to weed control efficacy.By
Evil plant leaf blade is dark green, shorten, crisp, thickness, and lobus cardiacus is difficult to extract out, and growth stops, last withered.Its lasting period in soil is
It is 20 days~40 days, it is adaptable to which rice terrace prevents and kill off annual gramineae and sedge weed, relatively poor to broad leaved weed preventive effect.
Carfentrazone belongs to triazolineone herbicide, and chemical name is：(RS) the chloro- 3- of -2- { the chloro- 5- of 2- [4- (difluoro first
Base) -4,5- dihydro -3- methyl -5- oxos -1H-1,2,3- triazol-1-yls] -4- fluorophenyls } propionic acid (ethyl ester), No. CAS is：
128621-72-7, molecular weight is 384.14.Sterling is sticky yellow liquid, and fusing point is -22.1 DEG C.Dissolved in the water of carfentrazone
Spending (micrograms per litre) is：12(20℃)、22(25℃)、23(30℃)；Solubility (20 DEG C) in other solvents is：Toluene 0.9,
Hexane 0.03, dissolves each other with acetone, ethanol, ethyl acetate, dichloromethane etc..Carfentrazone is stable in pH=5, and photodissociation partly declines in water
Phase is 8 days, and hydrolysising half-life is 3.6 hours (pH=5).
Carfentrazone is a kind of selective contact killing type herbicide, causes effect by suppressing proporphyrinogen oxidase, it is adaptable to small
Wheat, corn, rice terrace etc. prevent and kill off broad leaved weed and nutgrass flatsedge.Carfentrazone 15min after spray can be absorbed by plant leaf blade, therefore not
Being drenched with rain influences, and symptom, death in 2 days~4 days occurs after 3 hours~4 hours.
Both are compounded, had using the different mechanisms of action of both active ingredients of anilofos and carfentrazone by the present invention
Certain complementation and synergistic effect.Wherein, so-called synergistic effect is exactly to cooperate effect between different material, its effect produced
Fruit is more than the sum total of each composition effect.The embodiment of the present invention calculates co-toxicity coefficient according to the abundant methods of Sun Yun, passes through co-toxicity coefficient method
Evaluate the interaction after two kinds of active components compounding in the composition pesticide that the present invention is provided.Co-toxicity coefficient (CTC) >=120,
Show as synergistic effect；CTC≤80, show as antagonism；80 ＜ CTC ＜ 120, show as summation action.Wherein, it is added and makees
With sum total of the effect equal to each composition effect for being exactly its generation；Antagonism refers to that two kinds of materials act on living organism
When, the effect that a kind of material disturbs another material, or the effect of interfering with an opponent each other are generated, is made under general effect
The phenomenon of drop.
Experimental result confirms that the Herbicidal combinations that the present invention is provided can be used as the herbicide for administering paddy field weed,
The co-toxicity coefficient of the Herbicidal combinations is higher than 120, is synergistic effect.Experimental result is also shown that the Herbicidal combination that the present invention is provided
The preventive effect of thing is apparently higher than single dose, and materials are few, and use cost is low.
In some embodiments of the invention, the mass ratio of the anilofos and carfentrazone is 40:1-1:40.Specifically
, the mass ratio of the carfentrazone and anilofos is preferably 1:30、1:20、1:10、1:1、10:1、20:1、30:1 or 40:1.
Prepared present invention also offers Herbicidal combinations described above for administering in the herbicide of paddy field weed
Application.The Herbicidal combinations are mainly used in preventing and kill off various grass family, Cyperaceae and the broad leaved weed of rice terrace.
Present invention also offers a kind of herbicide, it includes acceptable in Herbicidal combinations described above and Pesticide Science
Auxiliary material.
The content of Herbicidal combinations of the present invention is consistent with content described previously, will not be repeated here.The present invention's
In embodiment, weight content of the Herbicidal combinations in herbicide is 2%~82%.
The high mixed herbicide of the present invention coordinates what is allowed in Pesticide Science using anilofos and carfentrazone as principle active component
Auxiliary agent is made into any one formulation.
Arbitrarily suitable agricultural application can be made in the high effect weed killer composition of the present invention according to the ordinary skill in the art
Formulation, including but not limited to missible oil (EC), soluble liquid, microemulsion, aqueous emulsion, suspending agent, pulvis, wettable powder
Agent, suspension emulsion, water dispersible granules (WDG), soluble powder, granule, microcapsules, fumicants, aerosol etc..In the reality of the present invention
Apply in example, described formulation can be missible oil, aqueous suspension agent, oil-suspending agent, soluble powder, wettable powder, water dispersible granular
Agent, aqueous emulsion, microemulsion, effervescent tablet.
In the present invention, when described Herbicidal combinations are processed into missible oil, water dispersible granules or suspension emulsion, surfactant
Can for neopelex, lauryl sodium sulfate, lignosulfonates, aliphatic alcohol polyethenoxy, aliphatic alcohol sulfate,
One or more of mixing of naphthalenesulfonate formaldehyde condensation compound, sodium butylnaphthalenesulfonate and polycarboxylic acid；Carrier can be organic swelling
One or more of mixing in soil, kaolin, precipitated calcium carbonate, urea, diatomite, attapulgite, polysaccharide, starch, white carbon.
In the present invention, described herbicide processing technology is technical field of agriculture known technology, and the present invention is without spy
Different limitation.
The Herbicidal combinations that the present invention is provided are applied to rice direct seeding field, the containment of transplanted rice field annual grassy weeds and prevented
Remove；Application of the mixed herbicide of the present invention in agent for removing grass in paddy field, is particularly preventing and kill off various standing grain that are unearthed or will being unearthed
Application in undergraduate course, Cyperaceae and broad leaved weed.In the present invention, generally using spray-on process, soil treatment method or aircraft spraying medicine
Method dispenser.
The Herbicidal combinations that the present invention is provided expand the herbicide controlling spectrum of anilofos and carfentrazone, 40:1-1:In the range of 40
Obvious synergistic function is shown to barnyard grass and nutgrass flatsedge.The effect of herbicide or composition of the present invention has significantly than single dose
Degree is improved, and reduces the consumption and cost of agricultural chemicals, environmentally friendly, meets the idea of development of green agriculture.
The Herbicidal combinations confrontation property of medicine weeds that the present invention is provided have special efficacy, delay Weed Resistance, herbicidal spectrum is wide, the lasting period
It is long, and have high security to paddy rice, the yield to paddy rice has no adverse effects.
For a further understanding of the application, the Herbicidal combinations provided with reference to embodiment the application and its application are entered
Row is specifically described.
Embodiment 1：The toxicity test that anilofos are compounded with carfentrazone
1.1 reagent agent
Anilofos active compound, carfentrazone active compound, the mixture of anilofos and carfentrazone different quality ratio；
1.2 for examination weeds
Barnyard grass, nutgrass flatsedge, broadleaved herb；
1.3 single dose assay methods
The embodiment of the present invention uses greenhouse pot culture method：Fine earth will be covered in polypots for examination target weeds seed sowing
Afterwards, it is placed in greenhouse and cultivates, treat that weeds length to 2~4 leaf phases carry out cauline leaf spraying treatment, per alms bowl spraying liquid 1mL, often processing is repeated
4 times, and the processing without medicament is set as control.It is placed in greenhouse and cultivates after processing, the growing state of routine observation target weeds,
Preventive effect is calculated after 15 days, then inhibition concentration LC50 (95% confidential interval) of the single dose to weeds is calculated with least square method.
The anilofos of 1.4 different ratios and carfentrazone joint toxicity measuring method
According to the toxicity test result of single dose, the anilofos and carfentrazone LC50 values of different ratio are calculated, and by Sun Yun
Abundant method calculates co-toxicity coefficient (CTC), and is calculated by following equation：
ATI=(S/M) * 100；
In formula：
ATI --- mixture surveys toxicity index；
The LC50 of S --- standard herbicide, unit mg/L；
The LC50 of M --- mixture, unit mg/L.
TTI=TIA*PA+TIB*PB；
In formula：
TTI --- mixture theoretical toxicity index；
TIA--- A medicament theoretical toxicity index；
PA--- percentage composition of the A medicaments in mixture, unit is percentage；
TIB--- B medicament theoretical toxicity index；
PB--- percentage composition of the B medicaments in mixture, unit is percentage.
CTC=(ATI/TTI) * 100；
In formula：
CTC --- co-toxicity coefficient；
ATI --- mixture surveys toxicity index；
TTI --- mixture theoretical toxicity index.
Co-toxicity coefficient (CTC) >=120 shows as synergistic effect；CTC≤80 show as antagonism；The tables of 80 ＜ CTC ＜ 120
It is now summation action, the results are shown in Table 1, table 2, table 3.
Table 1：Anilofos are with carfentrazone different ratio to barnyard grass toxicity test result
| Medicament | EC50(mg/L) | TTI | ATI | CTC |
| Anilofos | 5.22 | - | 231.8 | - |
| Carfentrazone | 12.1 | - | 100 | - |
| Carfentrazone：Anilofos=1:30 | 3.52 | 227.55 | 343.75 | 151.1 |
| Carfentrazone：Anilofos=1:20 | 3.71 | 225.52 | 326.15 | 144.6 |
| Carfentrazone：Anilofos=1:10 | 4.12 | 219.82 | 293.69 | 133.6 |
| Carfentrazone：Anilofos=1:1 | 4.47 | 165.90 | 270.69 | 163.2 |
| Carfentrazone：Anilofos=10:1 | 4.93 | 111.98 | 245.44 | 219.2 |
| Carfentrazone：Anilofos=20:1 | 5.24 | 106.28 | 230.92 | 217.3 |
| Carfentrazone：Anilofos=30:1 | 5.89 | 104.25 | 205.43 | 197.1 |
| Carfentrazone：Anilofos=40:1 | 6.08 | 103.21 | 199.01 | 192.8 |
As can be seen from Table 1, the co-toxicity coefficient of each ratio of anilofos and carfentrazone compounding is above 120, illustrates this
There is obvious synergistic effect after two kinds of composition compoundings.As can be seen here, both are compounded with very strong reasonability.
Table 2：Anilofos and carfentrazone different ratio are to nutgrass flatsedge toxicity test result
As can be seen from Table 2, the co-toxicity coefficient of each ratio of anilofos and carfentrazone compounding is above 120, illustrates this
There is obvious synergistic effect after two kinds of composition compoundings.As can be seen here, both are compounded with very strong reasonability.
Table 3：Anilofos and carfentrazone different ratio are to broadleaved herb toxicity test result
| Medicament | LC50(mg/L) | TTI | ATI | CTC |
| Anilofos | 5.73 | - | 236.3 | - |
| Carfentrazone | 13.54 | - | 100 | - |
| Carfentrazone：Anilofos=1:30 | 3.58 | 231.90 | 378.21 | 163.1 |
| Carfentrazone：Anilofos=1:20 | 3.96 | 229.81 | 341.92 | 148.8 |
| Carfentrazone：Anilofos=1:10 | 4.21 | 223.91 | 321.62 | 143.6 |
| Carfentrazone：Anilofos=1:1 | 4.67 | 168.15 | 289.94 | 172.4 |
| Carfentrazone：Anilofos=10:1 | 4.99 | 112.39 | 271.34 | 241.4 |
| Carfentrazone：Anilofos=20:1 | 5.34 | 106.49 | 253.56 | 238.1 |
| Carfentrazone：Anilofos=30:1 | 5.98 | 104.40 | 226.42 | 216.9 |
| Carfentrazone：Anilofos=40:1 | 6.14 | 103.32 | 220.52 | 213.4 |
As can be seen from Table 3, the co-toxicity coefficient of each ratio of anilofos and carfentrazone compounding is above 120, illustrates this
There is obvious synergistic effect after two kinds of composition compoundings.As can be seen here, both are compounded with very strong reasonability.
Embodiment 2：(preparation of 41% anilofos carfentrazone aqueous suspension agent)
41% anilofos carfentrazone aqueous suspension agent：40% anilofos, 1% carfentrazone, 5% dispersant, 5% emulsifying agent,
3% antifreeze, 0.8% thickener, 0.4% defoamer, 2% filler, remaining deionized water are supplied；It is made according to common process.
Wherein, the dispersant is sodium lignin sulfonate；The emulsifying agent is alkyl benzene calcium sulfonate；The antifreeze is third
Triol；The thickener is xanthans；The defoamer is organic silicone oil；The filler is kaolin.
Embodiment 3：(preparation of 15.5% anilofos carfentrazone oil-suspending agent)
15.5% anilofos carfentrazone oil-suspending agent：15% anilofos, 0.5% carfentrazone, 5% dispersant, 15% breast
Agent, 1% thickener, remaining methyl oleate are supplied；It is made according to common process.
Wherein, the dispersant is sodium lignin sulfonate；The emulsifying agent is alkyl benzene calcium sulfonate；The thickener is poly-
Ethylene glycol.
Embodiment 4：(preparation of 21% anilofos carfentrazone missible oil)
It is prepared by 21% anilofos carfentrazone missible oil：20% anilofos, 1% carfentrazone, 10% emulsifying agent, solvent are supplied；
It is made according to common process.
Wherein, the emulsifying agent is calcium dodecyl benzene sulfonate；The solvent is vegetable oil.
Embodiment 5：(11% anilofos carfentrazone wettable powder)
11% anilofos carfentrazone wettable powder：10% anilofos, 1% carfentrazone, 8% dispersant, 5% wetting
Agent, filler is supplied；Wherein, the dispersant is sodium lignin sulfonate；The wetting agent is lauryl sodium sulfate；The filler
For kaolin.
It is well mixed container is put into after the coarse crushing by a certain percentage of above-mentioned material, then after air-flow crushing, obtains 11% Sha
Barnyard grass phosphorus carfentrazone wettable powder.
Embodiment 6：(2% anilofos carfentrazone water dispersible granules)
2% anilofos carfentrazone water dispersible granules：1% anilofos, 1% carfentrazone, 10% dispersant, 8% wetting agent,
Filler is supplied；Wherein, the dispersant is polyoxyethylene carboxylate；The wetting agent is lauryl sodium sulfate；It is described to fill out
Expect for precipitated calcium carbonate.
Above-mentioned material is mixed in proportion, by crushing, granulating, dry, sieve, 2% anilofos carfentrazone water is obtained
Dispersible granule.
Embodiment 7：(11% anilofos carfentrazone missible oil)
11% anilofos carfentrazone missible oil：1% anilofos, 10% carfentrazone, 15% emulsifying agent, solvent are supplied；According to
Common process is made.
Wherein, the emulsifying agent is phenethyl phenol polyoxyethanyl polypropylene-base ether；The solvent is rosin base oil.
Embodiment 8：(21% anilofos carfentrazone wettable powder)
21% anilofos carfentrazone wettable powder：1% anilofos, 20% carfentrazone, 8% dispersant, 5% wetting
Agent, filler is supplied；Wherein, the dispersant is polycarboxylate；The wetting agent is neopelex；The filler is
Kaolin.
It is well mixed container is put into after the coarse crushing by a certain percentage of above-mentioned material, then after air-flow crushing,
Obtain 21% anilofos carfentrazone wettable powder.
Embodiment 9：(preparation of 82% anilofos carfentrazone oil-suspending agent)
82% anilofos carfentrazone oil-suspending agent：2% anilofos, 80% carfentrazone, 2% dispersant, 15% emulsifying agent,
Remaining methyl oleate is supplied；It is made according to common process.
Wherein, the dispersant is polyoxyethylene carboxylate；The emulsifying agent is Tween 80；The thickener is bright
Glue.
Embodiment 10
Embodiment 2-9 is used to prevent and kill off transplanted rice field annual grassy weeds：To annual gramineous weed, sedge weed,
The preventive effect of broad leaved weed is counted, and spraying time is that application method is spray-on process, and every mu is watered 15kg 6 days after rice transplanting
Carry out foliar spray.Experiment sets 11 groups of processing altogether, is counted after 18 days and contrasts processing weeds quantity and a preventive effect, as a result
It is shown in Table 4.
Table 4：The effect that herbicide obtained by embodiment is prevented and treated paddy field weed
Remarks：Strain preventive effect=(check plot weeds strain number-treatment region weeds strain number)/check plot weeds strain number * 100%.
Weeds are in two leaves wholeheartedly to three leaves wholeheartedly period mostly during dispenser, by result above as can be seen that the present invention
It compensate for the deficiency that anilofos unitary agent prevents and kill off annual broadleaf weed.Meanwhile, anilofos and the association of carfentrazone between the two
Same synergistic effect, substantially increase weeds prevents and kill off efficiency.Furthermore it is also possible to the consumption of medicament is reduced, and it is environmentally friendly, meet
The idea of development of green agriculture.
In summary, Herbicidal combinations of the invention under suitable dose to transplanted rice field, seedling throwing field annual grassy weeds
Significantly, composition plays the role of Synergistic to drug effect to rice terrace annual grassy weeds, makes up single medicament to weed control efficacy
Not enough short slab.Relatively conventional herbicide for paddy field, widens administration time, good to Security of rice, be prevent and kill off rice direct seeding field,
The new compositions of transplant field annual grassy weeds.
Claims (5)
1. a kind of Herbicidal combinations, it is characterised in that including anilofos and carfentrazone, the quality of the anilofos and carfentrazone it
Than for 40:1~1:40.
2. Herbicidal combinations as claimed in claim 1 are preparing the application for administering in the herbicide of paddy field weed.
3. a kind of herbicide, it is characterised in that including acceptable auxiliary on the Herbicidal combinations and Pesticide Science described in claim 1
Material.
4. herbicide according to claim 3, it is characterised in that weight content of the Herbicidal combinations in herbicide
For 2%~82%.
5. herbicide according to claim 3, it is characterised in that the formulation of the herbicide is missible oil, aqueous suspension agent, oil
Suspending agent, soluble powder, wettable powder, water dispersion granule, aqueous emulsion, microemulsion or effervescent tablet.
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| CN103392733A (en) * | 2013-06-30 | 2013-11-20 | 广东中迅农科股份有限公司 | Herbicidal composition containing glufosinate-ammonium and carfentrazone |
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2017
- 2017-05-23 CN CN201710383036.6A patent/CN107006512A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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