CN107372533A - Complex herbicidal composition - Google Patents
Complex herbicidal composition Download PDFInfo
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- CN107372533A CN107372533A CN201710543749.4A CN201710543749A CN107372533A CN 107372533 A CN107372533 A CN 107372533A CN 201710543749 A CN201710543749 A CN 201710543749A CN 107372533 A CN107372533 A CN 107372533A
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- metamifop
- herbicidal composition
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
-
- 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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
-
- 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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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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 complex herbicidal composition, and containing three kinds of active ingredients of metamifop, clomazones and penoxsuam, active ingredient mass ratio is 1 ~ 20：1~30：1 ~ 10, the mass percent summation of three kinds of active ingredients in the composition is 1 ~ 80%.Herbicidal combinations of the present invention are applied to prevent and kill off the most of grassy weeds of rice terrace, broad leaved weed and sedge weed, particularly there is good prevention effect to blue or green barnyard grass, lady's-grass, Paspalum distichum, spontaneous wheat seeding, alternanthera philoxeroides, lasting period is grown, easy to use, and safety is showed to rice.
Description
Technical field
The invention belongs to technical field of pesticide technical field, more particularly, to a kind of complex herbicidal composition.
Background technology
China's rice cultivation is with a long history, and region is wide, is one of View of World Rice main production country.In the 70-80 ages in 20th century
Chemical herbicide enters China, and the farmland weed to China prevents and kill off work and brings Gospel, and substantial amounts of labour is able to from heavy
Artificial weeding work in free.But meanwhile between past 25 years, sulfonylurea, amide-type and synthetic hormone class etc.
The rapid popularization of the selective herbicide of the similar mechanism of action and long-term a large amount of uses, some weeds product sensitive to all class medicaments
System by eliminating, less sensitive drug resistance plant due to gene selects act on and caused drug-resistant organisms type starts to rise rapidly
Sprawling.Occurs anti-dichloro quinolinic acid bion barnyard grass, anti-penoxsuam bion barnyard grass, anti-cyanogen after 2000 in rice terrace
Fluorine grass ester biological type moleplant seed etc..Wherein, come barnyard grass, bald barnyard, very popular actor or actress barnyard grass, blue or green barnyard grass resistance with barnyard grass population Chinese and Western particularly to dash forward
Go out, to existing mostly except barnyard grass herbicide kind is insensitive, turn into the dominant population in some areas, preventing and controlling are arduous.According to
Report that it is 123.47 to the resistance index of dichloro quinolinic acid to determine barnyard grass with pot-culture method under the pool of Zhejiang, this resistant biotypes weeds
The purpose prevented and kill off is extremely difficult to using barnyard grass agent such as dichloro quinolinic acid, bispyribac-sodium, penoxsuam, pretilachlor etc. is individually killed, this
Class bion resistant weed can slowly develop into dominant population, strive water with rice and strive fertilizer, paddy growth is had a strong impact on when density is big,
The underproduction that rice is different degrees of is caused, threatens the stability and development of China's Rice Production.
Metamifop (Metamifop), chemical name (2R) -2- [4- [(the chloro- 2- isoxazolyl benzenesulfonamides bases of 6-)] phenoxy group]-N-
(2- fluorobenzene)-N- methyl propanamides, the aryloxyphenoxypropanoates class herbicide developed by Chemical Engineering Technology research institute of South Korea, belong to ACC
Enzyme inhibitor, the synthesis of vegetable fatty acid can be suppressed.After medication in several days sensitive varieties occur blade face move back it is green, suppress growth.Can
The most of annual gramineous weeds of rice terrace effectively are prevented and kill off, such as barnyard grass, moleplant seed, lady's-grass and eleusine indica, to rice safety.
Clomazone (Command), also known as clomazone, chemical name 2- (2- chlorobenzyls) -4,4- dimethyl isoxazoles -3-
Ketone.It is selective herbicide before organic heterocyclic class bud, carotenoid inhibitor.Absorbed by the root and young shoot of plant, to upload
Lead each position of plant；Cauline leaf process only has action of contace poison, does not conduct downwards.Carrotene is hindered into the medicament in plant
With the biosynthesis of chlorophyll, make the unearthed weeds poetic rules and forms of rudiment, and it is dead in a short time.Suitable for soybean, sugarcane, peanut,
Potato, tobacco, rape and rice terrace prevent and kill off annual gramineous weed and broad leaved weed.
Penoxsuam (Penoxsulam), chemical name 2- (2,2- difluoro ethoxy)-N- (5,8- dimethoxies (1,2,4) three
Azoles-(1,5-C) pyrimidine -2-base)-6- trifluoromethyls-benzene sulfanilamide (SN), category triazolopyrimidine sulfonamides rice field after seedling broad-spectrum weed-killing
Agent, through cauline leaf, young shoot and Root Absorption, conducted to separate living tissue by xylem and bast, closed by suppressing acetolactic acid
Suppress plant strain growth into enzyme (ALS), growing point chlorosis, 7-14d terminal buds redden, be downright bad after processing, and plant is dead within 2-4 weeks.It is right
Rice terrace barnyard grass preventive effect is good, also has certain preventive effect to angustifolia arrowhead herb, rhizoma alismatis, poor to rice Leersia Sw, Scirpus tabernaemontani preventive effect.Suitable for Rice In Drought Rice Nursery
Live field, direct-sowing rice, rice seedling bed and transplant field, insecticide-applying way, which can use spraying or mix soil, spreads fertilizer over the fields processing, can be widely used for preventing
Except barnyard grass, Monochoria vaginalis and annual sedge weed, the lasting period is up to 30~60 days.
The chemical composition of each herbicide, formation and physic-chemical property are different, and corresponding herbicide ability and herbicide controlling spectrum are different, different
Herbicidal composition reasonably compounded, generally can both expand herbicide controlling spectrum, while the difficult weeds prevented and kill off of some comparisons are risen
To preferable preventive effect.
Chinese patent CN 101946783A《A kind of herbicidal composition and its application》Disclose a kind of containing oxazole acyl grass
The weight ratio of the herbicidal composition of amine and penoxsuam, wherein metamifop and penoxsuam is 0.1~33：0.1
~99, it can effectively prevent and treat the weeds such as barnyard grass in paddy field, lady's-grass, the root of Beijing euphorbia, dayflower；Chinese patent CN 102388894A《A kind of weeding
Composition》A kind of herbicidal composition containing penoxsuam, cyhalofop-butyl and metamifop is disclosed, wherein five fluorine sulphurs
The weight ratio of careless amine, cyhalofop-butyl and metamifop is 1：4~9：5~10, it can effectively prevent and treat barnyard grass in paddy field, lady's-grass, a thousand pieces of gold
The weeds such as son and Monochoria vaginalis；Chinese patent CN 106106466A《It is a kind of containing metamifop He the combinations of herbicides of clomazone
Thing》Disclose it is a kind of containing metamifop He the herbicidal composition of clomazone, wherein metamifop are He clomazone
Weight ratio be 1~10：10~1, it can effectively prevent and treat the weeds such as the spontaneous wheat seeding in rice field；Chinese patent CN 106259371A《It is a kind of
Herbicidal composition for rice field》A kind of herbicidal composition containing metamifop, clomazones and bentazone is disclosed, wherein
The weight of metamifop, clomazones and bentazone ratio is 1~20%：1~40%：1~60%, it can effectively prevent and treat rice field and resist
The weeds such as property green grass or young crops barnyard grass, spontaneous wheat seeding.
Present invention seek to address that serious, the poor technical problem of prevention effect, evil occur for existing rice terrace resistant weed
Three kinds of active ingredient compoundings of azole amide, clomazones and penoxsuam, its mechanism of action is different, not only to leading in rice terrace
Grass family, broad leaved weed and the Cyperaceaes such as the barnyard grass that often occurs, moleplant seed, Setaria glauca, eleusine indica, sweet wine intestines, difformed galingale herb
Weeds have a good preventive effect, at the same to the very serious blue or green barnyard grass of occurrence injury in the rice field of some areas, lady's-grass, Paspalum distichum, from
Raw wheat seeding, alternanthera philoxeroides have good preventive effect, and rice safety is made to rear stubble under necessarily with when dosage
Thing safety.
Herbicidal combinations of the present invention, improve to grassy weed in rice terrace, broad-leaved section weeds and sedge weed
Integrated control effect, the preventing and treating synergy especially to grassy weed is very notable, has widened herbicide controlling spectrum, has reduced dosage,
Cost accounting has been saved, has reduced the pollution to environment.
Have not yet to see the ternary built herbicide group for being related to metamifop, clomazones and penoxsuam composition
The relevant report of compound.
The present inventor is to the Herbicidal combinations containing three kinds of active ingredient of metamifop, clomazones and penoxsuam
Recipe determination and its furtherd investigate using technology, by lot of experiments, complete the present invention.The Herbicidal combinations can be effective
The solution field rotating medicine dosage that preventing and treating paddy field weed is faced at present is big, and herbicide access times are more, and residues of pesticides are serious, miscellaneous
Grass is more difficult thoroughly to be prevented and kill off and easily produces the problems such as resistance..
The content of the invention
The present invention is for overcome the deficiencies in the prior art, there is provided and one kind has obvious synergistic function, to rice safety,
Broad weed-killing spectrum, low-residual, low cost, it can effectively delay complex herbicidal composition caused by herbicide resistance.
To achieve these goals, the present invention uses following technical scheme：A kind of complex herbicidal composition, contain oxazole acyl
Careless three kinds of active ingredients of amine, clomazones and penoxsuam.
The mass ratio of the metamifop, clomazones and penoxsuam is 1~20：1~30：1~10.
The weight of the metamifop, clomazones and penoxsuam accounts for the 1~80% of Herbicidal combinations gross mass,
Auxiliary agent and other excipient surpluses.
The auxiliary agent includes emulsifying agent, dispersant, suspending agent, synergist, preservative and solvent.
The emulsifying agent is calcium dodecyl benzene sulfonate, styrylphenol polyoxyethylene ether, alkylaryl polyoxyethylene
Polyethenoxy ether, castor oil polyoxyethylene ether, polyoxyethylene polyoxypropylene block copolymer, APES phosphate
In one or more.
The dispersant be sodium lignin sulfonate, alkylnaphthalene sulfonate, alkylphenol-polyethenoxy formaldehyde condensation products sulfate,
One or more in dispersing agent MF, phosphate.
The suspending agent is the one or more in organobentonite, xanthans, white carbon.
The synergist is poly- trisiloxanes, heterogeneous ten alcohol polyoxyethylene ether, isomerous tridecanol polyoxyethylene ether, butanedioic acid
One or more in di-isooctyl sulfonate.
The preservative is one or both of sodium benzoate, Kathon CG.
The solvent is soybean oil, methyl oleate, methyl naphthalene higher aliphatic hydrocarbon ils, aromatic hydrocarbons S-150, S-200 solvents
One or more in oil.
Herbicidal combinations of the present invention, can by routine pesticide producing mode, processing be prepared into oil-suspending agent, suspension emulsion,
The formulation that various forms of suitable agricultural productions such as wettable powder use.
Described Herbicidal combinations, its application are to prevent and kill off paddy field weed.
Further, described Herbicidal combinations, its to prevent and kill off rice terrace green grass or young crops barnyard grass, lady's-grass, Paspalum distichum, spontaneous wheat seeding,
The application of alternanthera philoxeroides.
The frequency of use and usage amount of the Herbicidal composition for paddy fields of the present invention are as plant growth, weeds occur, weather becomes
Change and have a small amount of change, the purpose effectively prevented and treated can be reached by using appropriate dosage, to rice safety.
In summary, the beneficial effects of the invention are as follows：Can keeping from ill grassy weed, broad leaved weed, cost is low, can have
Effect reduces usage amount, reduces times for spraying, broad weed-killing spectrum, can effectively delay herbicide resistance, herbicidal effect ideal.
Embodiment
In order that those skilled in the art are better understood from the essence of the present invention, come with reference to specific embodiment to this
Invention is further described, but does not limit the invention to these embodiments.Those skilled in the art should recognize
Know, present invention encompasses all alternatives, improvement project and the equivalents that may include in Claims scope.
It is raw to survey embodiment 1：The determination of activity examination to rice weed mixed with penoxsuam of metamifop, clomazones
Test.
Test objective：By greenhouse pot culture active determination test with definitely metamifop, clomazones and five fluorine
The mixed synergistic effect to paddy field weed of sulphur grass amine, between further comparative composition, and between composition and single dose
Activity of weeding, to better illustrate Herbicidal combinations of the present invention.
Test target：It is examination from occurring at present in rice terrace than more serious and the more difficult blue or green barnyard grass and alternanthera philoxeroides prevented and kill off
Test target.Blue or green barnyard grass seed picks up from Anhui Nanling County, and alternanthera philoxeroides picks up from Jinhua, Zhejiang.
Test medicine：96% metamifop TC, 95% clomazone TC, 97% penoxsuam TC.
Try material culture：The experiment special soil that experiment soil is collected for non-medication plot, from bore 8cm, deep 7cm flowerpots,
Soil is filled to 3/4 height, adds water after soil completely moistening, target green grass or young crops barnyard grass seed is distinguished into uniform broadcasting into basin alms bowl, then
The thick mixed husky fine earths of one layer of 0.5~1.0cm, hot-house culture are covered, regular moisturizing treats each target length to keep 100% soil moisture
Expect to use to 3-4 leaves.Gathered in alternanthera philoxeroides Jinhua, Zhejiang rice terrace, in greenhouse cutting propagation.
Test method：Using greenhouse pot culture method, cauline leaf spraying treatment is carried out for examination weeds under each dosage.Often processing is set 4 times
Repeat, separately set blank control.Handle and cultivated in rearmounted greenhouse, the periodically moisturizing in a manner of bottom-irrigating, keep 100% soil wet
Degree.
Investigation method：Routine observation plant reaction symptom after processing, and 15d is comprehensive by the evaluation of 0-100% ocular estimates after medicine
Activity of weeding is closed, while determines 21d aerial part weeds fresh weights, calculates fresh weight inhibition, medicament pair is evaluated with fresh weight inhibition
Target virulence.
Fresh weight inhibition (%)=(control fresh weight-processing fresh weight)/control fresh weight * 100.
Synergy evaluation method：Using DPS software analysis, virulence equation, LC are calculated50It is worth (gai/hm2) and poison is altogether
Number CTC, the results are shown in Table 1 and table 2.
Table 1：Metamifop, clomazones and penoxsuam single dose and mixed to blue or green barnyard grass virulence test result
Table 2：Metamifop, clomazones and penoxsuam single dose and mixed to alternanthera philoxeroides virulence test result
Wherein co-toxicity coefficient CTC >=120 represent synergistic effect, and co-toxicity coefficient CTC numerical value is bigger, and synergistic effect is more notable.
According to Tables 1 and 2 result of the test, 14 compounded combinations of metamifop, clomazones and penoxsuam are to blue or green barnyard grass and hollow
Alternanthera is respectively provided with obvious inhibitory action, and metamifop, clomazones are mixed with penoxsuam to blue or green barnyard grass, hollow lotus seeds
Careless synergistic effect is notable.
Example of formulations：
Embodiment 1：25% metamifop clomazone penoxsuams (10:12:3) oil-suspending agent
The parts by weight of 10 parts by weight , clomazones of metamifop 12, the parts by weight of penoxsuam 3, grease emulsifier polyoxy
The parts by weight of ethenesulfonyl castor oil 18, the parts by weight of bamboo this grease dispersant sulfonyl calcium succinate 5, the weight of organobentonite 1.5
Part, the parts by weight of gas-phase silica 0.2 are measured, methyl oleate is mended to 100.Above component cutter high speed shear is mixed and passed through
Sand mill is sanded, and 25% metamifop clomazone penoxsuams (10 are made:12:3) oil-suspending agent.
Embodiment 2：37% metamifop clomazone penoxsuams (15:18:4) oil-suspending agent
The parts by weight of 15 parts by weight , clomazones of metamifop 18, the parts by weight of penoxsuam 4, emulsifying agent dodecyl
The parts by weight of benzene sulfonic acid calcium 3.5, the parts by weight of dispersant alkyl phenol polyether phosphoric acid ester 2, emulsifying agent alkylphenol-polyethenoxy polyoxy third
The parts by weight of alkene block polyether 4, the parts by weight of AEO emulsifying agent 3, the parts by weight of thickener organobentonite 1.2, oil
Sour methyl esters is mended to 100.Each active component, various adjuvants etc. are sufficiently mixed by formula rate, is sanded, stirs by sand mill
Uniformly produce 37% metamifop clomazone penoxsuams (15:18:4) oil-suspending agent.
Embodiment 3：12% metamifop clomazone penoxsuams (5:5.4:1.6) suspension emulsion
The parts by weight of clomazone 5.4, the parts by weight of 150# solvent naphthas 4, the parts by weight of emulsifying agent castor oil polyoxyethylene ether 2, mix
It is stand-by that conjunction obtains oil phase.The parts by weight of metamifop 5, the parts by weight of penoxsuam 1.6, wetting agent polyoxyethylene polyoxypropylene are embedding
The section parts by weight of polyethers 1, the parts by weight of dispersant phosphate 3.5,0.5 part of weight of xanthans, 0.2 part of weight of sodium benzoate, glycerine 5
Part weight, water are mended to 100.Above component is mixed with cutter high speed shear and is sanded to obtain mother liquor by sand mill,
Oil phase is added during mother liquor high speed shear to continue to shear 30 minutes i.e. available fluorine of 12% metamifop clomazones five
Sulphur grass amine (5:5.4:1.6) suspension emulsion.
Embodiment 4：19% metamifop clomazone penoxsuams (8:9:2) suspension emulsion.
9 parts of weight of clomazone, the parts by weight of 150# solvent naphthas 3, the parts by weight of emulsifying agent castor oil polyoxyethylene ether 4, mixing
It is stand-by to obtain oil phase.8 parts of weight of metamifop, 2 parts of weight of penoxsuam, 1 part of weight of wetting agent AEO
Amount, 3 parts of weight of dispersant phosphate, 0.5 part of weight of xanthans, 0.2 part of weight of sodium benzoate, 5 parts of weight of glycerine, water mend to
100.Above component is mixed with cutter high speed shear and is sanded to obtain mother liquor, mother liquor high speed shear mistake by sand mill
Oil phase is added in journey to continue to shear 30 minutes i.e. available 19% metamifop clomazone penoxsuams (8:9:2) hang
Emulsion.
Embodiment 5：22% metamifop clomazone penoxsuams (9:10:3) wettable powder
Metamifop 9 parts of weight , clomazones, 10 parts of weight, 3 parts of weight of penoxsuam, wetting agent dodecyl sulphur
The sour parts by weight of sodium 1.5, the parts by weight of dispersant alkylnaphthalene sulfonate 8, dispersant is wooden to calculate the parts by weight of sulfonate 2,6 parts of weights of white carbon
Amount, kaolin are mended to 100.Air-flow crushing is carried out after above component is well mixed and obtains 22% metamifop clomazones
Penoxsuam (9:10:3) wettable powder.
Application Example：
Metamifop clomazone penoxsuams compounding prevents and kill off the paddy field weed test of pesticide effectiveness：
Test medicine：
(1) embodiment 1：The fluorine (10 of 25% oxazole Yi Evil five:12:3) oil-suspending agent
(2) embodiment 2：The fluorine (15 of 37% oxazole Yi Evil five:18:4) oil-suspending agent
(3) embodiment 3：The fluorine (5 of 12% oxazole Yi Evil five:5.4:1.6) suspension emulsion
(4) embodiment 4：The fluorine (8 of 19% oxazole Yi Evil five:9:2) suspension emulsion
(5) embodiment 5：The fluorine (9 of 22% oxazole Yi Evil five:10:3) wettable powder
(6) comparison medicament 1：10% metamifop missible oil+25g/L penoxsuam oil-suspending agents
(7) comparison medicament 2：10% metamifop missible oil+480g/L clomazone missible oil
(8) comparison medicament 3：480g/L clomazone missible oil+25g/L penoxsuam oil-suspending agents
(9) comparison medicament 4：10% metamifop missible oil
(10) comparison medicament 5：480g/L clomazone missible oil
(11) comparison medicament 6：25g/L penoxsuam oil-suspending agents
Trial crops and object：Experimental field it is located at Hubei Xiangfan, direct-sowing dry rice, preceding stubble wheat, rice length of time rice seedlings grow 3-4 leaves,
Field is mainly occurred more serious with weeds such as blue or green barnyard grass, lady's-grass, Paspalum distichum, spontaneous wheat seeding, alternanthera philoxeroides.
Test method：Each test process sets 4 repetitions, experimental plot 20m2, random district's groups arrangement.Set and manually remove simultaneously
Grass and clear water control treatment.Each medicament is watered 30 kilograms for every mu by test dose, and uniform cauline leaf spraying treatment is in each cell.Dispenser
Soil moisture regime is kept afterwards 3-5 days.7 days, 15 days and 21 days rice and weeds victimization state, investigation are applied after experimental investigation processing
21 days weeds fresh weights after medicine, calculate fresh weight preventive effect, and result of the test is shown in Table 3.
Preventive effect (%)=(blank control weeds fresh weight-processing weeds fresh weight)/blank control weeds fresh weight * 100.
Table 3：21 days each test medicines are to the various weeds fresh weight preventive effects in field after medicine
By the 1~embodiment of results showed that example of formulations 5 of table 3 to blue or green barnyard grass, lady's-grass, Paspalum distichum, spontaneous wheat seeding and
The weeds such as alternanthera philoxeroides are respectively provided with good prevention effect, compared with comparison medicament processing and blank control processing, its
To the preventive effect highly significant of weeds, and there is preferable quick-acting and lasting effect.In the scope of medication of this experiment, investigational agent
Agent (1~embodiment of embodiment 5), 3-5 days after dispenser, cell portion rice has albinism, but rice is gradually extensive after 5 days
It is multiple, occur without notable poisoning, safety is showed to rice.
Obviously, described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, should all belong to the scope of protection of the invention.
Claims (6)
- A kind of 1. complex herbicidal composition, it is characterised in that：Have containing three kinds of metamifop, clomazones and penoxsuam Imitate composition.
- 2. complex herbicidal composition according to claim 1, it is characterised in that：It is the active ingredient metamifop, different The mass ratio of Evil grass pine and penoxsuam is 1 ~ 20：1~30：1~10.
- 3. complex herbicidal composition according to claim 1, it is characterised in that：The matter of three kinds of active ingredients in the composition It is 1 ~ 80% to measure percentage summation, and surplus is agriculturally acceptable insecticides adjuvant, carrier etc..
- 4. according to the complex herbicidal composition any one of claim 1-3, it is characterised in that：It is outstanding that oil can be processed into The formulations such as floating agent, suspension emulsion, wettable powder.
- 5. according to the complex herbicidal composition any one of claim 1-3, it is characterised in that：Suitable for preventing and kill off rice terrace Weeds.
- 6. complex herbicidal composition according to claim 5, it is characterised in that：The paddy field weed be blue or green barnyard grass, lady's-grass, Paspalum distichum, spontaneous wheat seeding, alternanthera philoxeroides.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2112881B1 (en) * | 2007-02-19 | 2010-09-22 | Bayer CropScience AG | Herbicidal compositions comprising difluoromethanesulfonylanilide and one or more herbicides |
| CN106070249A (en) * | 2016-06-01 | 2016-11-09 | 浙江天丰生物科学有限公司 | A kind of rice terrace Herbicidal combinations |
| CN106719733A (en) * | 2017-01-05 | 2017-05-31 | 浙江天丰生物科学有限公司 | A kind of rice field complex herbicidal composition |
-
2017
- 2017-07-05 CN CN201710543749.4A patent/CN107372533A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2112881B1 (en) * | 2007-02-19 | 2010-09-22 | Bayer CropScience AG | Herbicidal compositions comprising difluoromethanesulfonylanilide and one or more herbicides |
| CN106070249A (en) * | 2016-06-01 | 2016-11-09 | 浙江天丰生物科学有限公司 | A kind of rice terrace Herbicidal combinations |
| CN106719733A (en) * | 2017-01-05 | 2017-05-31 | 浙江天丰生物科学有限公司 | A kind of rice field complex herbicidal composition |
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