CN106259371A - A kind of Herbicidal composition for rice field - Google Patents
A kind of Herbicidal composition for rice field Download PDFInfo
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- CN106259371A CN106259371A CN201610654474.7A CN201610654474A CN106259371A CN 106259371 A CN106259371 A CN 106259371A CN 201610654474 A CN201610654474 A CN 201610654474A CN 106259371 A CN106259371 A CN 106259371A
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- grass
- metamifop
- bentazone
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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
- A01N43/88—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 six-membered rings with three ring hetero atoms
-
- 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
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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 present invention relates to technical field of pesticide, disclose a kind of built herbicide for rice field compositions and application thereof.Wherein containing tri-kinds of effective ingredient of A, B, C, effective constituents A is metamifop 1 ~ 20%, and effective ingredient B is different grass pine 1 ~ 40%, and effective ingredient C is bentazone 1 ~ 60%.Herbicidal combinations of the present invention, for the single dose of equally effective composition, potentiation is obvious, and effectively expand weed control spectrum, reduce each effective ingredient consumption simultaneously, improve the safety to crop, and delay single medicament to use generation and the development of herbicide resistance.Herbicidal combinations of the present invention is applicable to prevent and kill off the most of grass family of rice terrace, broad leaved weed and sedge weed.Particularly than more serious spontaneous wheat seedling, resistance green grass or young crops barnyard grass etc., occurrence injury in the direct-sowing dry rice terrace of some areas being had good preventive effect, the lasting period is long, and Oryza sativa L. is showed safety.
Description
Technical field
The present invention relates to a kind of Herbicidal composition for rice field and application thereof.Especially a kind of containing metamifop, different
Grass pine and the ternary built herbicidal composition of bentazone, belong to technical field of pesticide.
Background technology
China's rice cultivation is with a long history, and region is wide, is one of View of World Rice main product state.In the 70-80 age in 20th century
Chemical herbicide enters China, prevents and kill off work to the farmland weed of China and brings Gospel, and substantial amounts of labour force is able to from heavy
Artificial weeding work in free.But meanwhile, between 25 years of past, sulfonylurea, amide-type and synthetic hormone class etc.
Promoting rapidly of the selective herbicide of the similar mechanism of action uses in a large number with long-term, some weeds product sensitive to all class medicaments
System is eliminated, and the drug-resistant organisms type that less sensitive drug resistance plant produces due to gene Selection effect starts to rise rapidly
Spread.Rice terrace occurred in that after 2000 anti-dichloro quinolinic acid biotype barnyard grass, anti-penoxsuam biotype barnyard grass, anti-cyanogen
Fluorine grass ester biological type Semen Euphorbiae etc..Wherein, barnyard grass, shaven head barnyard grass, very popular actor or actress barnyard grass, blue or green barnyard grass resistance are come with barnyard grass population Chinese and Western the most prominent
Going out, to existing mostly insensitive except barnyard grass herbicide kind, become the dominant population in some areas, preventing and controlling are arduous.According to
Measuring barnyard grass with pot-culture method under the report pool, Zhejiang is 123.47 to the resistance index of dichloro quinolinic acid, this resistant biotypes weeds
Employing is individually killed barnyard grass agent such as dichloro quinolinic acid, bispyribac-sodium, penoxsuam, pretilachlor etc. and is extremely difficult to the purpose prevented and kill off, this
Class biotype resistant weed can slowly develop into dominant population, strives water with Oryza sativa L. and strives fertilizer, has a strong impact on paddy growth when density is big,
Cause the Oryza sativa L. underproduction in various degree, threaten the stability and development of China's Rice Production.
Metamifop (Metamifop), chemical name (2R)-2-[4-[(6-chloro-2-isoxazolyl benzenesulfonamide base)] phenoxy group]-N-
(2-fluorobenzene)-N-methyl propanamide, by the aryloxyphenoxypropanoates class herbicide of Korea S Chemical Engineering Technology academy exploitation, belongs to ACC
Enzyme inhibitor, can suppress the synthesis of vegetable fatty acid.In medication few days after, to occur that blade face is moved back green for sensitive varieties, Developing restraint.Can
Effectively prevent and kill off the most of annual gramineous weed of rice terrace, such as barnyard grass, Semen Euphorbiae, Herba Digitariae and Herba Eleusines Indicae, to rice safety.
Different grass pine (Command), also known as clomazone, chemical name 2-(2-chlorobenzyl)-4,4-dimethyl isoxazole-3-
Ketone.It is selective herbicide before organic heterocyclic class bud, carotenoid inhibitor.Root and plumelet by plant absorb, to uploading
Lead each position of plant；Stem and leaf processes and only has action of contace poison, conducts downwards.Enter the medicament in plant and hinder carotene
With chlorophyllous biosynthesis, make the weeds poetic rules and forms that rudiment is unearthed, and dead in a short time.Be applicable to Semen sojae atricolor, Caulis Sacchari sinensis, Semen arachidis hypogaeae,
Rhizoma Solani tuber osi, Nicotiana tabacum L., Brassica campestris L and rice terrace prevent and kill off annual gramineous weed and broad leaved weed.
Bentazone (Bentazone), 3-isopropyl-(1H)-benzo-2,1,3-thiadiazine-4-ketone-2,2-dioxide,
Have another name called Herba lysimachiae capillipedis pellet, bentazone, be the selective contact killing type herbicide after seedling of a kind of tool, process for weeds stem and leaf in seedling stage.Mainly
Annual broadleaf weed and sedge weed is prevented and kill off, such as: Herba Polygoni Avicularis, Herba Commelinae, grey for crops such as Oryza sativa L., Semen sojae atricolor, Semen arachidis hypogaeae, Semen Tritici aestivis
Ear, Fructus Kochiae, Herba Abutili, corn gromwell, Herba Galii Teneri, Herba Capsellae, descurainia sophia (l.) webb ex prantl, Herba Portulacae, field thistle, Herba chenopodii, knotweed, Herba Solani Nigri, Herba stellariae mediae, special-shaped Sha
Grass, cyperus iria, Herba Cyperi Glomerati, Rhizoma Cyperi etc. are invalid to grassy weed.
The chemical composition of each herbicide, formation and physic-chemical property are different, and corresponding herbicide ability and weed control spectrum are different, different
Herbicidal composition reasonably compound, the most both can expand weed control spectrum, some more difficult weeds prevented and kill off risen simultaneously
To preferable preventive effect.
Chinese patent CN 102792950A " containing metamifop and the herbicidal composition of oxadiazon " discloses one
Weight ratio containing metamifop and the herbicidal composition of oxadiazon, metamifop and oxadiazon is 1:50～3.5:1,
Can effectively prevent and treat the weeds such as barnyard grass in paddy field, Semen Euphorbiae, Herba Digitariae, Herba monochoriae vaginalis, Lindernia procumbens (Krock.) Phillcox., Sagittaria trifolia L. Var. Angusti-folia(Sieb.) Kitag.(Sagittaria sagittifolia L.)；Chinese patent CN
101946783A " a kind of herbicidal composition and application " thereof discloses a kind of removing containing metamifop and penoxsuam
Grass agent compositions, wherein the weight ratio of metamifop and penoxsuam is 0.1～33:0.1～99, can effectively prevent and treat rice field
The weeds such as barnyard grass, Herba Digitariae, the Radix Euphorbiae Pekinensis, Herba Commelinae；Chinese patent CN 101965840A " a kind of herbicidal composition and application thereof " is public
Open a kind of containing cyanogen metamifop with the herbicidal composition of dithiopyr, wherein metamifop and the weight of dithiopyr
Amount ratio is 1～20:1～10, can effectively prevent and treat the weeds such as barnyard grass in paddy field, Herba Digitariae, the Radix Euphorbiae Pekinensis, Herba Commelinae；Chinese patent
CN102388894A " a kind of Herbicidal combinations " discloses a kind of removing containing penoxsuam, cyhalofop-butyl and metamifop
Grass agent compositions, wherein the weight ratio of penoxsuam, cyhalofop-butyl and metamifop is 1:4～9:5～10, can be the most anti-
Control the weeds such as barnyard grass in paddy field, Herba Digitariae, Semen Euphorbiae and Herba monochoriae vaginalis；Chinese patent CN101965837A " a kind of herbicidal composition and
Its application " disclose a kind of herbicidal composition containing cyhalofop-butyl, metamifop and dichloro quinolinic acid, wherein cyanogen fluorine grass
The weight ratio of ester, metamifop and dichloro quinolinic acid is 1～20:1～20:1～60, can effectively prevent and treat barnyard grass in paddy field, Herba Digitariae,
The weeds such as the Radix Euphorbiae Pekinensis, Herba Commelinae；Chinese patent CN 101965839A " a kind of herbicidal composition and application thereof " discloses one and contains
There are the herbicidal composition of cyhalofop-butyl, metamifop and dithiopyr, wherein cyhalofop-butyl, metamifop and fluorine sulfur grass
Fixed weight ratio is 1～20:1～20:1～20, can effectively prevent and treat the weeds such as barnyard grass in paddy field, Herba Digitariae, the Radix Euphorbiae Pekinensis, Herba Commelinae.
Present invention seek to address that existing rice terrace resistant weed occurs serious, the technical problem that prevention effect is poor, dislike
Azoles acyl grass amine, different grass pine and, three kinds of effective ingredient of bentazone compound, and its mechanism of action is different, not only in rice terrace generally
The barnyard grass that occurs, Semen Euphorbiae, Herba Digitariae, Herba monochoriae vaginalis, sweet wine intestinal, Herba Commelinae, Sagittaria trifolia L. Var. Angusti-folia(Sieb.) Kitag.(Sagittaria sagittifolia L.), the grass family such as cyperus iria, broad leaved weed and
Sedge weed has a good preventive effect, simultaneously blue or green to the most serious spontaneous wheat seedling of occurrence injury in rice field, some areas, resistance
Barnyard grass, nit grass, Herba Bidentis Bipinnatae all have good preventive effect, and to rice safety under certain proportioning and using dosage, make rear stubble
Thing safety.
Herbicidal combinations of the present invention, improves grassy weed, broad-leaved section weeds and sedge weed in rice terrace
Integrated control effect, especially the preventing and treating potentiation to grassy weed are very notable, have widened weed control spectrum, have decreased dosage,
Save cost accounting, decrease the pollution to environment.
Have not yet to see and be related to metamifop, different grass pine and the ternary built herbicidal composition of bentazone composition
Relevant report.
The present inventor is to containing metamifop, different grass pine and the Herbicidal combination composition formula of three kinds of effective ingredient of bentazone
Screening and use technology thereof are furtherd investigate, and through lot of experiments, complete the present invention.This Herbicidal combinations can effectively solve the problem that
The field rotating medicine dosage that preventing and treating paddy field weed is faced at present is big, and herbicide access times are many, and pesticide residues are serious, and weeds are relatively
Difficulty is thoroughly prevented and kill off and easily produces the problems such as resistance.
Summary of the invention
It is an object of the invention to, not enough for prior art, it is provided that one has obvious synergistic function, to Oryza sativa L.
Safety, weeds spectrum is wide, low-residual, low cost, and the effective ingredient that can effectively delay herbicide resistance to produce is metamifop, different
The Herbicidal composition for rice field that grass pine and bentazone compound.
Realizing the technical solution adopted in the present invention is: Herbicidal combinations of the present invention with metamifop, different grass pine and
Bentazone is effective ingredient.
The mass ratio of described metamifop, different grass pine and bentazone is 1～20:1～40:1～60.
The weight of described metamifop, different grass pine and bentazone accounts for the 1～80% of Herbicidal combinations gross mass, auxiliary agent
And other excipient surpluses.
Herbicidal combinations of the present invention, can be by conventional pesticide producing mode, and processing is prepared as wettable powder, suspension
The dosage form that the applicable agricultural production of the multi-form such as agent, suspension emulsion uses.
Described insecticides adjuvant is selected from carrier, solvent, emulsifying agent, pesticide surfactant, wetting agent, dispersant, thickening
One or more in agent, synergist, antifreezing agent, defoamer etc..
Described containing metamifop, different grass pine and the Herbicidal combinations of bentazone, comprise when making wettable powder as
Lower constituent content: metamifop 1～20%, different grass pine 1-40%, bentazone 1-60%, dispersant 5-10%, wetting agent
2-10%, filler complement to 100%.
By metamifop, different grass pine, bentazone, dispersant, wetting agent and filler mixing, in mixing kettle, mixing is all
Even, remix after comminution by gas stream uniformly, i.e. can be made into the wettable powder containing metamifop, different grass pine and bentazone and produce
Product.
Described containing metamifop, different grass pine and the Herbicidal combinations of bentazone, comprise following group when making suspending agent
Point content: metamifop 1～20%, different grass pine 1-40%, bentazone 1-60%, dispersant 2-10%, wetting agent 2-
10%, defoamer 0.1-1%, thickening agent 0.1-2%, antifreeze 0.1-8%, emulsifying agent 0.5-5%, deionized water add to
100%.
Dispersant in above-mentioned formula, wetting agent, defoamer, thickening agent, antifreeze, emulsifying agent are mixed through high speed shear
Close uniformly, be subsequently adding metamifop, different grass pine, bentazone, ball milling 2-3 hour in ball mill, make diameter of particle complete
Portion, below 5 μm, i.e. makes containing metamifop, different grass pine and the suspending agent product of bentazone.
Described containing metamifop, different grass pine and the Herbicidal combinations of bentazone, comprise following group when making suspension emulsion
Point content: metamifop 1～20%, different grass pine 1-40%, bentazone 1-60%, emulsifying agent 2-12%, dispersant 2-
10%, defoamer 0.1-2%, thickening agent 0.1-2%, antifreeze 0.1-8%, stabilizer 0.05-3%, deionized water adds to
100%.
By the dispersant in above-mentioned formula, defoamer, thickening agent, antifreeze and stabilizer through high speed shear mixing all
Even, it is subsequently adding metamifop, different grass pine, bentazone and emulsifying agent, ball milling 2-3 hour in ball mill, makes microgranule grain
Footpath, all below 5 μm, is i.e. made containing metamifop, different grass pine and the suspension emulsion product of bentazone.
Described carrier is selected from white carbon, Kaolin, kieselguhr, bentonite, precipitated calcium carbonate, Gypsum Fibrosum, attapulgite, pottery
One or more in soil, soluble starch, carbamide etc..
Described solvent be selected from methyl oleate, S-100, S-150, S-200, dimethylbenzene, trimethylbenzene, methyl naphthalene, Semen Maydis oil,
One or more in soybean oil, Oleum Brassicae campestris, Oleum Arachidis hypogaeae semen and water etc..
Described emulsifying agent is selected from castor oil polyoxyethylene ether, alkylphenol polyoxyethylene phosphate ester, phenyl phenol polyoxy second
One or more in alkene ether, styrylphenol polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, alkylbenzene naphthenic acid salt etc..
Described surfactant is selected from alkylsulfonate, Negel, alkylphenol polyoxyethylene, dodecyl
Sodium sulfate, calcium dodecyl benzene sulfonate, lignosulfonates, carboxymethyl cellulose, triphenyl vinyl phenol, alcohol ethoxy
One or more in compound, Oleum Ricini ethoxy compound and amine ethoxy compound etc..
Described wetting agent be selected from aliphatic alcohol sulfate, fatty alcohol-polyoxyethylene ether, polyoxyethylenated alcohol sodium sulfate,
PULLRONIC F68 block polymer, benzene sulfonamide acid alkali metal salt, dialkyl succinylsuccinate sulfonated ester, lignin sulfonic acid
One or more in salt, alkylphenol polyoxyethylene, alkylphenol polyoxyethylene formaldehyde condensation products, Saponin etc..
Described dispersant is selected from lignosulfonates, alkylbenzenesulfonate, alkylphenol polyoxyethylene, alkyl naphthalene sulfonic acid
Salt, N-Methyl fatty acyl group-taurate, alkylphenol polyoxyethylene formaldehyde condensation products, aralkyl benzene sulfonate, alkylnaphthalene sulphur
In acid formaldehyde condensation products sodium salt, aralkyl naphthalene sulfonic acid-formaldehyde condensation product sodium salt, polycarboxylate, aliphatic amine polyoxyethylene ether etc. one
Plant or several.
Described thickening agent is selected from xanthan gum, gelatin, arabic gum, guar gum, sodium alginate, Carboxymethyl cellulose sodium, gathers
One or more in vinyl alcohol, polyacrylamide, meteorological white carbon, sulphuric acid magnalium, kieselguhr, organic spray profit soil etc..
In described synergist optional autohemagglutination trisiloxanes, fatty alcohol-polyoxyethylene ether, succinic acid di-isooctyl sulfonate etc.
One or more.
Described antifreezing agent is selected from propylene glycol, one or more in ethylene glycol and glycerol etc..
Described defoamer is silicone defoamer.
Herbicidal combinations of the present invention, broad weed-killing spectrum, herbicidal effect is notable, especially endangers in the rice terrace of some areas
Evil has good preventive effect than more serious spontaneous wheat seedling, resistance barnyard grass.Crop Oryza sativa L. is showed safety simultaneously.
And owing to each effective ingredient action site in plant is different with model of action, therefore according to existing miscellaneous
Grass resistance generation theory of development, the generation of herbicide resistance can effectively be avoided, delay or be controlled to Herbicidal combinations of the present invention
And development.
Detailed description of the invention
In order to make those skilled in the art be better understood from the essence of the present invention, come this below in conjunction with specific embodiment
Invention is further described, but does not limit the invention to these detailed description of the invention.Those skilled in the art should recognize
Knowledge is arrived, all alternatives, improvement project and the equivalents potentially included in present invention encompasses Claims scope.
Raw embodiment 1 of surveying: metamifop, different grass pine active determination test to rice weed mixed with bentazone.
Test objective: by greenhouse pot culture active determination test with definitely metamifop, different grass pine and weed eradication
The mixed potentiation to paddy field weed of pine, between further comparative composition, and the weeding between compositions and single dose
Activity, in order to better illustrate Herbicidal combinations of the present invention.
Test target: select and occur the most universal barnyard grass and sweet wine intestinal for test target in rice terrace.
Test medicine: 96% metamifop TC, 95% different grass pine TC, 97% bentazone TC is raw by Zhejiang Tian Feng
Thing science company limited provides.
Examination material is cultivated: test soil is the test special soil that non-medication plot is collected, selection bore 8cm, deep 7cm flowerpot,
Soil is filled to 3/4 height, adds water after soil is completely moistening, by target seed uniform broadcasting respectively to basin alms bowl, then cover one
The mixed husky fine earth of layer 0.5～1.0cm thickness, hot-house culture, regular moisturizing with keep 100% soil moisture, treat that each target length is to 2-3
Leaf is expected to use.
Test method: use greenhouse pot culture method, carries out stem and leaf spraying treatment for examination weeds under each dosage.Often process and set 4 times
Repeat, separately set blank.Processing in rearmounted greenhouse and cultivate, periodically with bottom-irrigating mode moisturizing, the soil of holding 100% is wet
Degree.
Investigation method: routine observation plant reaction symptom after process, and after medicine 15d press 0-100% ocular estimate evaluation combine
Close activity of weeding, measure 21d aerial parts weeds fresh weight simultaneously, calculate fresh weight inhibition, evaluate medicament pair with fresh weight inhibition
Target virulence.
Fresh weight inhibition (%)=(comparison fresh weight-process fresh weight)/comparison fresh weight * 100.
Synergy evaluation methodology: use DPS software analysis, calculates virulence equation, LC50Value (mg/L) and co-toxicity coefficient
CTC, the results are shown in Table 1 and table 2.
Table 1: metamifop, different grass pine and bentazone single dose and mixed to barnyard grass virulence test result.
Table 2: metamifop, different grass pine and bentazone single dose and mixed to sweet wine intestinal virulence test result.
Wherein co-toxicity coefficient CTC >=120 represent potentiation.
From above-mentioned test, metamifop, different grass pine is mixed with bentazone is respectively provided with barnyard grass and sweet wine intestinal substantially
Potentiation.
Example of formulations 1:42% metamifop. different grass pine. bentazone wettable powder
6 parts of weight of metamifop, different grass 12 parts of weight of pine, 24 parts of weight of bentazone, 1.5 parts of weight wetting agent pull open
Powder, 6 parts of weight dispersant T2020,8 parts of weight of white carbon, fine particle calcium carbonate is mended to 100 parts of weight.By laggard for above component mix homogeneously
Row comminution by gas stream obtains 42% metamifop. different grass pine. and bentazone wettable powder.
Example of formulations 2:30% metamifop. different grass pine. bentazone wettable powder
5 parts of weight of metamifop, different grass 9 parts of weight of pine, 16 parts of weight of bentazone, 1.5 parts of weight wetting agent K-12,
6 parts of weight dispersant T2020,6 parts of weight of white carbon, Kaolin is mended to 100 parts of weight.Carry out after above component mix homogeneously
Comminution by gas stream obtains 30% metamifop. different grass pine. and bentazone wettable powder.
Example of formulations 3:36% metamifop. different grass pine. bentazone oil-suspending agent
4 parts of weight of metamifop, different grass 10 parts of weight of pine, 22 parts of weight of bentazone
4 parts of weight of metamifop, different grass 10 parts of weight of pine, 22 parts of weight of bentazone, this oils and fats of bamboo of 18 parts of weight
Emulsifying agent YUS-110, bamboo this oils and fats dispersant EP60P of 5 parts of weight, the organobentonite 838F of 1.5 parts of weight, gas phase Linesless charcoal
Black 0.2 part of weight, 15 parts of weight of No. 200 solvent naphthas, methyl oleate is mended to 100 parts of weight, by above component cutter at a high speed
Shear mixing and carry out sand milling by sand mill, preparing 36% metamifop. different grass pine. bentazone oil-suspending agent.
Example of formulations 4:26% metamifop. different grass pine. bentazone suspension emulsion.
Different grass 4 parts of weight of pine, 4 parts of 150# solvent naphthas, it is stand-by that 2 parts of emulsifier ELs 360 are mixed to get oil phase.Oxazole acyl grass
4 parts of weight of amine, 18 parts of weight of bentazone, the wetting agent 500LQ of 1 part of weight, the sub-dispersant SC in sieve ground of 3.5 parts of weight, xanthan
0.5 part of weight of glue, 0.5 part of weight of sodium benzoate, 5 parts of weight of glycerol, water is mended to 100 parts of weight, above component is sheared
Machine high speed shear mixes and carries out sand milling by sand mill and obtains mother solution, adds oil phase and continue to shear during mother solution high speed shear
Within 30 minutes, i.e. can get 26% metamifop. different grass pine. bentazone suspension emulsion.
Example of formulations 5:15% metamifop. different grass pine. bentazone suspension emulsion.
Different grass 5 parts of weight of pine, 3 parts of 150# solvent naphthas, it is stand-by that 2 parts of Ning Baidi emulsifying agents 14105 are mixed to get oil phase.Dislike
Azoles 2 parts of weight of acyl grass amine, 8 parts of weight of bentazone, the wetting agent BC-10 of 1 part of weight, the sub-dispersant SC in sieve ground of 3 parts of weight, yellow
0.5 part of weight of virgin rubber, 0.5 part of weight of sodium benzoate, 5 parts of weight of glycerol, water is mended to 100 parts of weight, by above component with cutting
The machine high speed shear of cutting mixes and carries out sand milling by sand mill and obtains mother solution, adds oil phase and continue to cut during mother solution high speed shear
Cut 30 minutes and i.e. can get 15% metamifop. different grass pine. bentazone suspension emulsion.
Example of formulations 6:35% metamifop. different grass pine. bentazone suspension emulsion
Different grass 10 parts of weight of pine, 8 parts of 150# solvent naphthas, it is stand-by that 3 parts of emulsifier ELs 360 are mixed to get oil phase.Oxazole acyl
Grass 5 parts of weight of amine, 20 parts of weight of bentazone, the wetting agent 500LQ of 1 part of weight, the sub-dispersant SC in sieve ground of 3.5 parts of weight, yellow
0.5 part of weight of virgin rubber, 0.5 part of weight of sodium benzoate, 5 parts of weight of glycerol, water is mended to 100 parts of weight, by above component with cutting
The machine high speed shear of cutting mixes and carries out sand milling by sand mill and obtains mother solution, adds oil phase and continue to cut during mother solution high speed shear
Cut 30 minutes and i.e. can get 35% metamifop. different grass pine. bentazone suspension emulsion.
Application Example: prevent and kill off the paddy field weed test of pesticide effectiveness:
Test medicine:
(1) example of formulations 1:42% metamifop. different grass pine. bentazone wettable powder
(2) example of formulations 2:30% metamifop. different grass pine. bentazone wettable powder
(3) example of formulations 3:36% metamifop. different grass pine. bentazone oil-suspending agent
(4) example of formulations 4:26% metamifop. different grass pine. bentazone suspending agent
(5) example of formulations 5:15% metamifop. different grass pine. bentazone suspending agent
(6) example of formulations 6:35% metamifop. different grass pine. bentazone suspension emulsion
(7) comparison medicament 1:10% metamifop cream
(8) comparison medicament 2:480g/L different grass pine cream
(9) comparison medicament 3:480g/L bentazone water preparation
Trial crops and object: direct-sowing dry Oryza sativa L., front stubble Semen Tritici aestivi, Oryza sativa L. length of time rice seedlings grow 3-4 leaf, field main weeds is with volunteer wheat
The crop smotherings such as Seedling and barnyard grass, Herba Digitariae, Semen Euphorbiae, sweet wine intestinal and Herba Bidentis Bipinnatae occur serious.
Every test medicine sets 3 to be repeated to process, and totally 33 process community, often process plot area 20m2, and random district group is arranged
Row.Set artificial weeding and clear water control treatment simultaneously.
Each medicament is watered 30 kilograms by test dose every mu, and uniform stem and leaf spraying treatment is in each community.
Experimental investigation processes latter 15 days to weeds strain preventive effect and 30 days fresh weight preventive effects to weeds.
Preventive effect (%)=[clear water matched group weeds strain number (fresh weight)-process group weeds strain number (fresh weight)]/clear water matched group
Weeds strain number (fresh weight) * 100.
Visual test medicament (embodiment 1～embodiment 6) occurs without notable poisoning Oryza sativa L. is equal.
Table 3: 15 days each test medicine weeds various to field strain preventive effects after medicine
Table 4: after medicine, 30 days each test medicines are to weeds in field fresh weight efficiency test result
From table 3 and table 4, example of formulations 1～embodiment 6 to spontaneous wheat seedling, barnyard grass, Herba Digitariae, Semen Euphorbiae, sweet wine intestinal and
The weeds such as Herba Bidentis Bipinnatae are respectively provided with good prevention effect, and compare medicament, and artificial weeding and blank process and compare, its
Preventive effect highly significant to weeds, and there is preferable quick-acting and lasting effect.In the scope of medication that this is tested, to Oryza sativa L.
Safety.
Obviously, described embodiment is only a part of 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 not making creative work premise
Execute example, all should belong to the scope of protection of the invention.
Claims (6)
1. a Herbicidal composition for rice field, it is characterised in that containing tri-kinds of effective ingredient of A, B, C, effective constituents A is oxazole acyl
Grass amine, effective ingredient B is different grass pine, and effective ingredient C is bentazone.
Herbicidal combinations the most according to claim 1, it is characterised in that effective constituents A metamifop, effective ingredient B is different
Grass pine and effective ingredient C bentazone mass ratio in the composition are respectively 1 ~ 20:1 ~ 40:1 ~ 60.
Herbicidal combinations the most according to claim 1, it is characterised in that three kinds of effective ingredient quality hundred in the composition
Proportion by subtraction summation is 1 ~ 80%, and surplus is the most acceptable insecticides adjuvant, carrier etc..
4. according to the Herbicidal combinations described in claim 1 and 2, it is characterised in that wettable powder, suspension can be processed into
The dosage form such as agent, suspension emulsion.
5. according to the Herbicidal combinations described in claim 1 and 2, it is characterised in that described insecticides adjuvant is selected from carrier, molten
One in agent, emulsifying agent, pesticide surfactant, wetting agent, dispersant, thickening agent, synergist, antifreezing agent, defoamer etc.
Or it is several.
Herbicidal combinations the most according to claim 1, it is characterised in that be applicable to preventing and kill off rice terrace, particularly part
In the direct-sowing dry rice terrace of area, occurrence injury is than most of standing grain such as more serious spontaneous wheat seedling, resistance green grass or young crops barnyard grass, nit grass, Herba Bidentis Bipinnatae
Undergraduate course weeds, broad leaved weed and sedge weed, the product lasting period is long, and Oryza sativa L. is showed safety.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857553A (en) * | 2017-01-05 | 2017-06-20 | 浙江天丰生物科学有限公司 | Han You metamifops, the different monooctyl ester of fluroxypyr are He the Herbicidal combinations of clomazone |
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|---|---|---|---|---|
| CN1713820A (en) * | 2002-11-21 | 2005-12-28 | 辛根塔参与股份公司 | Herbidical composition |
| CN102113503A (en) * | 2010-12-30 | 2011-07-06 | 苏州富美实植物保护剂有限公司 | Herbicide composite used in paddy field |
| CN105394049A (en) * | 2015-12-19 | 2016-03-16 | 青岛奥迪斯生物科技有限公司 | Herbicide composition containing metamifop |
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2016
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| CN1713820A (en) * | 2002-11-21 | 2005-12-28 | 辛根塔参与股份公司 | Herbidical composition |
| CN102113503A (en) * | 2010-12-30 | 2011-07-06 | 苏州富美实植物保护剂有限公司 | Herbicide composite used in paddy field |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106857553A (en) * | 2017-01-05 | 2017-06-20 | 浙江天丰生物科学有限公司 | Han You metamifops, the different monooctyl ester of fluroxypyr are He the Herbicidal combinations of clomazone |
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