CN106962386A - A kind of composition pesticide and its application - Google Patents
A kind of composition pesticide and its application Download PDFInfo
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- CN106962386A CN106962386A CN201710368957.5A CN201710368957A CN106962386A CN 106962386 A CN106962386 A CN 106962386A CN 201710368957 A CN201710368957 A CN 201710368957A CN 106962386 A CN106962386 A CN 106962386A
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- Prior art keywords
- methyl
- propanil
- bensulfuron
- herbicide
- composition pesticide
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
- A01N37/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
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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)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of composition pesticide containing propanil and bensulfuron-methyl and its application, the active component of the composition pesticide is propanil and bensulfuron-methyl, and the mass ratio of propanil and bensulfuron-methyl is 1~360: 1~20.The composition pesticide shows obvious synergistic effect in the range of said ratio, reduces the dosage of agricultural chemicals, reduces times for spraying, reduces drug cost, reduces adverse effect of the agricultural chemicals to ecological environment；Herbicidal spectrum is expanded, a drug had both solved various weed problems, compensate for defect when single dose is used；Extend the service life of medicament, have important meaning to the comprehensive regulation of Weed Resistance；Drug effect plays rapid, and the lasting period is long, and use cost is low, available for preventing and treating rice terrace, live field grassy weed, broad leaved weed and sedge weed etc..
Description
Technical field
The invention belongs to agricultural chemicals weeding technique field, more particularly to a kind of composition pesticide and its application, and in particular to one
Kind be used for prevent and kill off rice terrace, live Tanaka grassy weed, broad leaved weed and sedge weed etc. contain propanil and bensulfuron-methyl
Composition pesticide and a kind of propanil compound highly effective rice terrace, direct seeding fields herbicidal.
Background technology
According to statistics, cereal production in the world's is annual because of disease, worm, crop smothering loss 14%, and the loss that wherein crop smothering is caused is about
11%, it is seen that Weed infestation is the key factor for restricting crop yield.At present, chemical weed control is the primary hand for controlling weeds
Section；The use of chemical herbicide is one of important symbol of agricultural modernization.In recent years, the sales volume of herbicide increases year by year, accounts for
The proportion of agricultural chemicals sales volume increases year by year, and administration area expands year by year.
Paddy rice is that Consumption of China amount is maximum, cultivated area is maximum, total output is maximum, per unit area yield highest crops, in the world
On have consequence.But, the seriousness of weeds in paddy field is restriction rice high yield, the major obstacle of stable yields.At present, paddy rice
The variation of planting type, growth period duration of rice alternation of wetting and drying management mode cause weeds in paddy field to there occurs great variety, and Echinochloa is miscellaneous
The problems such as rare weeds in part such as grass mixed life, lady's-grass green bristlegrass, Paspalum distichum, the rhizome of nutgrass flatsedge, Asiatic plantain spread harm is increasingly serious.
For paddy field weed, have that effect is good using chemical herbicide control weeds, weed eradication in time, saving of labor, save fertilizer etc.
Advantage.The paddy field haulm herbicide that China applies is with the penoxsuam of The Dow Agrosciences, LLC., U.S. Fu Meishi companies
Metamifop is main representative kind, and the long-term high price of herbicide market is monopolized, cause paddy field weeding it is huge into
This.In addition, single herbicide it is long-term, be excessively used and not only pollute ecological environment, result in herbicide resistance and quickly grow,
Further it is degrading preventing and killing weeds in rice field problem.Therefore, efficient, safe, the inexpensive herbicide of current exploratory development rice terrace
It is particularly important.
The content of the invention
In view of this, the application provides a kind of composition pesticide and its application, and the composition pesticide that the present invention is provided has
Cost is low, wide spectrum, efficiently, it is antagonism weeds special efficacy, environmentally friendly, the features such as beneficial to the weeds in paddy field comprehensive regulation.
The present invention provides a kind of composition pesticide, and it includes propanil and bensulfuron-methyl；The mass ratio of propanil and bensulfuron-methyl
For 1~360：1~20, preferably 1~300：1~15, concretely 1：1、5：1、10：1、15：1、20：1、25：1、50：1、
50：3 or 75：1.
The present invention also provides foregoing composition pesticide and prepared for administering in the herbicide of paddy field weed
Using.
The present invention provides a kind of herbicide, and it includes the foregoing composition pesticide containing propanil and bensulfuron-methyl and agriculture
Pharmaceutically acceptable auxiliary material.In the preparation active ingredient account for weight of formulation percentage can for 1~95%, preferably 15~
80%.
The present invention also provides described composition pesticide or herbicide in preventing and treating rice field grassy weed, broad leaved weed, Sha
Application in careless section weeds.
Compared with prior art, the main active for the composition pesticide that the present invention is provided is propanil and bensulfuron-methyl.
On the basis of substantial amounts of formula indoor screening test and field medicine effect test, the present invention is answered using bensulfuron-methyl and propanil
Match somebody with somebody, show obvious synergistic effect to paddy field weed in certain ratio range, the prevention effect of composition compares single dose
It is significantly improved, reduces the dosage of agricultural chemicals, reduce times for spraying, reduce drug cost, reduce agricultural chemicals pair
The adverse effect of ecological environment.
The composition pesticide containing propanil and bensulfuron-methyl of the present invention is the combination of two kinds of active ingredient, expands weeding
Spectrum, a drug is to solve various weed problems, compensate for defect when single dose is used.The present invention's contains propanil and bensulfuron-methyl
Composition pesticide in, active ingredient mechanism of action is different, can overcome long-term single using easily producing lacking for resistance
Point, extends the service life of medicament, to the comprehensive regulation important in inhibiting of Weed Resistance.
The drug effect of the composition pesticide containing propanil and bensulfuron-methyl of the present invention plays rapid, and the lasting period is long, use cost
Low, easy to use, time saving and energy saving, especially antagonism Echinochloa weeds, lady's-grass have preferable preventive effect, and its popularization and application has huge
Economic benefit and social benefit.
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 composition pesticide containing propanil and bensulfuron-methyl, active ingredient is propanil and the phonetic sulphur of benzyl
Grand, the mass ratio of propanil and bensulfuron-methyl is 1~360：1~20.
Propanil, chemical name：3 ＇, 4 ＇-dichloro propiono aniline, belong to acetamide-group herbicides.Propanil is mainly selected by height
The action of contace poison of selecting property, is selective herbicide after seedling.Propanil is used to prevent and kill off the Tanaka's such as rice seedling bed, Honda, live, rice transplanting
Broad leaved weed, grassy weed and part sedge weed, such as Echinochloa weeds, Monochoria vaginalis, lady's-grass, green bristlegrass, are especially resisted
Penoxsuam, dichloro quinolinic acid, the Echinochloa weeds of butachlor have special efficacy.
Bensulfuron-methyl, chemical name：2- { [[[(4,6- dimethoxypyridin -2- bases) amino] carbonyl] amino] sulfonyls
Methyl } methyl benzoate, belong to sulfonylurea herbicide.Bensulfuron-methyl mainly passes through high selectivity, the work of tagging of Uptake and translocation
With being transferred to other positions after being absorbed by weeds root and blade, hinder branched-chain amino acid biosynthesis, susceptible weeds growth
Function is obstructed, tender tissue turns to be yellow too early, suppresses leaf portion, root growth, finally results in weeds dead.Bensulfuron-methyl can be effectively
Prevent and kill off 1 year and perennation broad leaved weed and nutgrass flatsedge, to Monochoria vaginalis, bog pondweed, mexicana, the weeds such as fescue have special efficacy.
Both are compounded, had using the different mechanisms of action of both active ingredients of propanil and bensulfuron-methyl 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 composition pesticide that the present invention is provided can be used as the herbicide for administering paddy field weed,
The co-toxicity coefficient of the composition pesticide is higher than 120, is synergistic effect.Experimental result is also shown that the pesticide 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 an embodiment of the present invention, the mass ratio of the propanil and bensulfuron-methyl is 1~360：1~20.In the present invention
Some embodiments in, the mass ratio of the propanil and bensulfuron-methyl is 1~300：1~15.Specifically, the propanil and benzyl are phonetic
The grand mass ratio of sulphur is preferably 1：1、5：1、10：1、15：1、20：1、25：1、50：1、50：3 or 75：1, more preferably 10:1.
Prepared present invention also offers composition pesticide described above for administering in the herbicide of paddy field weed
Application；The composition pesticide is 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 composition pesticide described above and Pesticide Science
Auxiliary material.
The content of composition pesticide 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 composition pesticide in herbicide is 1%~95%, preferably 15%~80%, more excellent
Elect 20%~65% as；Concretely 20%, 30%, 32%, 42%, 44%, 52%, 54% or 64%.
The herbicide of the present invention is the pesticidal preparations containing propanil and bensulfuron-methyl, and the preparation is by containing propanil and bensulfuron-methyl
Composition pesticide and the acceptable auxiliaries of field of pesticide preparation into any one acceptable formulation on agricultural chemicals.
The formulation of pesticidal preparations of the present invention can for wettable powder, water dispersible granules, suspending agent, microemulsion, finish,
Suspension emulsion, missible oil, water dispersible granules, aqueous emulsion or oil-suspending agent.
In some embodiments of the invention, the composition pesticide is processed into missible oil type herbicide；The quality of each component
Percentage is：Propanil 1-60%, bensulfuron-methyl 1-20%, surfactant 1-25%, remaining is carrier and solvent.In the present invention
Some embodiments in, the composition pesticide is processed into water dispersible granules；The mass percent of each component is：Propanil 1-
60%, bensulfuron-methyl 1-20%, surfactant 1-10%, remaining is carrier.In some embodiments of the invention, the agriculture
Drug composition is processed into aqueous emulsion；The mass percent of each component is：Propanil 1-30%, bensulfuron-methyl 1-20%, surface-active
Agent 1-50%, remaining is water.In addition, some embodiments of the invention also the composition pesticide can be processed into suspending agent, it is wettable
Property pulvis or scattered oil-suspending agent etc..
In the present invention, described auxiliary material is selected from wetting agent, dispersant, spreader-sticker, stabilizer, bleeding agent, emulsifying agent, increasing
Thick dose, antifreezing agent, defoamer, filler, solvent etc.；Wherein, the wetting agent is neopelex, detergent alkylate sulphur
Sour calcium, lauryl sodium sulfate, lignosulfonates, alkyl phenol formaldehyde resin polyoxyethylene ether, aliphatic alcohol sulfate, phenethyl
One or more among phenol polyethenoxy ether, NPE；The dispersant is lignosulfonates, alkylbenzene
Sulfonate, APES, NPE, alkyl ethyl sulfonate, alkylphenol-polyethenoxy base phosphoric acid
The one or more of ester, alkylnaphthalene sulfonate formaldehyde condensation products and polycarboxylic acid salt；Described stabilizer is epoxidized vegetable oil
Such as the one or more in epoxidised soybean oil, epoxidized linseed；The spreader-sticker is polyvinyl alcohol, the sulphur of alkyl diphenyl ether two
One or more in sour sodium, poly- trisiloxanes, triethanolamine oleate；The solvent is soybean oil, methyl oleate, white oil, pine
One or more in fuel-economizing methyl naphthalene higher aliphatic hydrocarbon ils；The filler be white carbon, cornstarch, kaolin, diatomite,
One or more in sodium sulphate, ammonium sulfate.
In the present invention, the production technology of the various application forms of the composition pesticide containing propanil and bensulfuron-methyl is equal
Belong to existing known technology, the present invention is not particularly limited.
The present invention also provides described herbicide in preventing and treating rice field grassy weed, broad leaved weed, sedge weed
Using.In controlling weeds, paddy rice broadcast before, broadcast rear weeds emerge to 5 leaf phases, rice transplanting, transplant after, live field weed goes out
Used in seedling to the 5 leaf phases.
In the present invention, generally using spraying method use, can also as needed using agriculturally apply other
Use technology.Specifically, the consumption of the herbicide can be 80~150mL/m2, preferably 100~120mL/m2。
In summary, the composition pesticide and its preparation that the present invention is provided have low cost, wide spectrum, efficient, antagonism miscellaneous
It is careless special efficacy, environmentally friendly, the features such as beneficial to the weeds in paddy field comprehensive regulation.
For a further understanding of the application, the composition pesticide provided with reference to embodiment the application and its application are entered
Row is specifically described.
Embodiment 1：The toxicity test of propanil and bensulfuron-methyl compounding
1.1 reagent agent
The mixture that propanil active compound, bensulfuron-methyl active compound, propanil and bensulfuron-methyl different quality are matched；
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 propanil and bensulfuron-methyl joint toxicity measuring method of 1.4 different ratios
According to the toxicity test result of single dose, it is measured with the propanil and bensulfuron-methyl of different ratio, calculates LC50 values,
And co-toxicity coefficient (CTC) is calculated by the abundant methods of Sun Yun, 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：Propanil and bensulfuron-methyl different ratio are to grassy weed toxicity test result
As can be seen from Table 1, propanil and each ratio its co-toxicity coefficient of bensulfuron-methyl compounding are above 120, illustrate this
There is obvious synergistic effect after two kinds of composition compoundings, it can be seen that, both are compounded with very strong reasonability.
Table 2：Propanil and bensulfuron-methyl different ratio are to broad leaved weed toxicity test result
| Medicament | LC50(mg/L) | TTI | ATI | CTC |
| Propanil | 17.65 | - | 100 | - |
| Bensulfuron-methyl | 6.72 | - | 262.5 | - |
| Propanil：Bensulfuron-methyl=1:1 | 5.1 | 181.32 | 346.08 | 190.9 |
| Propanil：Bensulfuron-methyl=5:1 | 5.32 | 127.11 | 331.77 | 261.0 |
| Propanil：Bensulfuron-methyl=10:1 | 5.56 | 114.79 | 317.45 | 276.6 |
| Propanil：Bensulfuron-methyl=15:1 | 6.02 | 110.17 | 293.19 | 266.1 |
| Propanil：Bensulfuron-methyl=20:1 | 6.43 | 107.75 | 274.49 | 254.8 |
| Propanil：Bensulfuron-methyl=25:1 | 6.78 | 106.26 | 260.32 | 245.0 |
As can be seen from Table 2, propanil and each ratio its co-toxicity coefficient of bensulfuron-methyl compounding are above 120, illustrate this
There is obvious synergistic effect after two kinds of composition compoundings, it can be seen that, both are compounded with very strong reasonability, and 10:1
When synergistic effect it is especially pronounced.
Table 3：Propanil and bensulfuron-methyl different ratio are to sedge weed toxicity test result
As can be seen from Table 3, propanil and each ratio its co-toxicity coefficient of bensulfuron-methyl compounding are above 120, illustrate this
There is obvious synergistic effect after two kinds of composition compoundings, it can be seen that, both are compounded with very strong reasonability, and 10:1
When synergistic effect it is especially pronounced.
Embodiment 2：32% propanil bensulfuron-methyl missible oil
The each group of herbicide containing propanil and bensulfuron-methyl is divided into：Propanil 30%, bensulfuron-methyl 2%, dimethylformamide
10%, cyclohexanone 5%, 2,2'- dihydroxy diethylamine 8%, agriculture breast 110 15%, plus rosin base oil is to 100%；Using conventional side
Legal system obtains missible oil.
Embodiment 3：44% propanil bensulfuron-methyl suspending agent
The each group of herbicide containing propanil and bensulfuron-methyl is divided into：Propanil 40%, bensulfuron-methyl 4%, phenethyl phenol gathers
Oxygen vinethene 5%, sodium lignin sulfonate 8%, ethylene glycol 5%, aluminium-magnesium silicate 2%, the fatty acid ester compounded thing 0.3% of higher alcohols,
OIT 0.5%, xanthans 0.5%, adds water to 100%；Suspending agent is made using conventional method.
Embodiment 4：30% propanil bensulfuron-methyl wettable powder
The each group of herbicide containing propanil and bensulfuron-methyl is divided into：Propanil 25%, bensulfuron-methyl 5%, sodium butylnaphthalenesulfonate
3%, calcium lignosulfonate 5%, white carbon 5%, plus kaolin is to 100%；Wettable powder is made using conventional method.
Embodiment 5：54% propanil bensulfuron-methyl water dispersible granules
The each group of herbicide containing propanil and bensulfuron-methyl is divided into：Propanil 50%, bensulfuron-methyl 4%, lignosulfonates
5%, urea 10%, plus kaolin is to 100%；Water dispersible granules are made using conventional method.
Embodiment 6：52% propanil bensulfuron-methyl disperses oil-suspending agent
The each group of herbicide containing propanil and bensulfuron-methyl is divided into：Propanil 50%, bensulfuron-methyl 2%, alkyl phenol polyoxy second
Alkene ether 10%, alkylphenol-polyethenoxy base phosphate 8%, organoclay bentonite 1%, plus methyl oleate is to 100%；Using routine
Scattered oil-suspending agent is made in method.
Embodiment 7：20% propanil bensulfuron-methyl aqueous emulsion
The each group of herbicide containing propanil and bensulfuron-methyl is divided into：Propanil 10%, bensulfuron-methyl 10%, ethylene glycol 5%, agriculture
Breast 1,061 18%, rosin base oil 25%, add water to 100%；Aqueous emulsion is made using conventional method.
Embodiment 8：Biological activity determination
By taking live field weeding preventive effect as an example：Wholeheartedly, the 42% propanil benzyl of gained of Example 2 is phonetic for 2 leaves after rice growing bud
Sulphur mamaplasty oil, dosage is 80,100,120mL/ mu, be watered 40 kgs/acre and spray, 20/60 day and maturity period estimate rice safety
Property and Weed-control effect, 20,60 days range estimation preventive effect result such as tables 4：
Table 4：The preventive effect result of the gained herbicide of embodiment 2
By range estimation, symptom of chemical damage is had no from dispenser to rice maturity using herbicide of the present invention, to rice safety.This
The preventive effect of invention herbicide weeds can reach more than 95% for 20 days substantially, more than 90% be can reach substantially within 60 days；With dosage
Increase, preventive effect is remarkably reinforced, in rice terrace 100mL/667m2Dose be that can reach good herbicidal effect, 120mL/
667m2Herbicidal effect is optimal, it is contemplated that cost, reducing farmer's burdens, improving farmers' income, considers 100mL/667m2
.A dispenser of the invention can control the weeds in crop whole growth period, and second stubble crop is had no effect, is current
Prevent the optimal complex weedicide of effect.
Embodiment 9：Biological activity determination
By taking live field weeding preventive effect as an example：After rice growing bud 2 leaves wholeheartedly, the gained propanil of Example 3- embodiments 7
Bensulfuron-methyl preparation, according to dosage, is watered 40 kgs/acre and sprays, 20/60 day and maturity period range estimation Security of rice and weeds
Preventive effect, 20,60 days range estimation preventive effect result such as tables 5：
Table 5：The preventive effect result of herbicide obtained by embodiment 3-7
By range estimation, medicine is had no from dispenser to rice maturity using the complex weedicide of 2- of embodiment of the present invention embodiments 7
Evil symptom, to rice safety.The preventive effect of herbicide weeds of the present invention can reach more than 95% for 20 days substantially, can reach substantially within 60 days
More than 90%.
Claims (10)
1. a kind of composition pesticide, it is characterised in that including propanil and bensulfuron-methyl, the mass ratio of the propanil and bensulfuron-methyl
For 1~360：1~20.
2. composition pesticide according to claim 1, it is characterised in that the mass ratio of the propanil and bensulfuron-methyl is 1
~300：1~15.
3. composition pesticide according to claim 2, it is characterised in that the mass ratio 1 of the propanil and bensulfuron-methyl：1、
5：1、10：1、15：1、20：1、25：1、50：1、50：3 or 75：1.
4. a kind of herbicide, it is characterised in that including composition pesticide according to any one of claims 1 to 3 and Pesticide Science
Upper acceptable auxiliary material.
5. herbicide according to claim 4, it is characterised in that weight content of the composition pesticide in herbicide
For 1%~95%.
6. herbicide according to claim 5, it is characterised in that weight content of the composition pesticide in herbicide
For 15%~80%.
7. herbicide according to claim 4, it is characterised in that the formulation of the herbicide is wettable powder, moisture
Shot agent, microemulsion, finish, suspension emulsion, missible oil, aqueous emulsion or oil-suspending agent.
8. the herbicide as described in any one of claim 4~7 is miscellaneous in preventing and treating rice field grassy weed, broad leaved weed, Cyperaceae
Application in grass.
9. application according to claim 8, it is characterised in that in preventing and treating rice field grassy weed, broad leaved weed, Cyperaceae
During weeds, the herbicide in before paddy rice is broadcast, broadcast rear weeds emerge to 5 leaf phases, rice transplanting, after rice transplanting or live field
Weeds, which emerged to 5 leaf phases, to be used.
10. application according to claim 8, it is characterised in that the consumption of the herbicide is 80~150mL/m2。
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| CN201710368957.5A CN106962386A (en) | 2017-05-23 | 2017-05-23 | A kind of composition pesticide and its application |
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| CN201710368957.5A CN106962386A (en) | 2017-05-23 | 2017-05-23 | A kind of composition pesticide and its application |
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ID=59325767
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024110852A1 (en) * | 2022-11-25 | 2024-05-30 | Upl Limited | A herbicidal composition and a process for preparing the same thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3633363A1 (en) * | 1986-10-01 | 1988-04-14 | Bayer Ag | Composition for selective weed control in rice |
-
2017
- 2017-05-23 CN CN201710368957.5A patent/CN106962386A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3633363A1 (en) * | 1986-10-01 | 1988-04-14 | Bayer Ag | Composition for selective weed control in rice |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024110852A1 (en) * | 2022-11-25 | 2024-05-30 | Upl Limited | A herbicidal composition and a process for preparing the same thereof |
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Application publication date: 20170721 |