CN106259377A - A kind of containing pyraclonil with the Herbicidal combinations of KIH 6127 - Google Patents
A kind of containing pyraclonil with the Herbicidal combinations of KIH 6127 Download PDFInfo
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- CN106259377A CN106259377A CN201610635502.0A CN201610635502A CN106259377A CN 106259377 A CN106259377 A CN 106259377A CN 201610635502 A CN201610635502 A CN 201610635502A CN 106259377 A CN106259377 A CN 106259377A
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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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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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
- A01N43/90—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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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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Abstract
The invention discloses a kind of containing pyraclonil with the Herbicidal combinations of KIH 6127, be made up of the first active component pyraclonil and the second active component KIH 6127 and auxiliary agent, the weight ratio of pyraclonil and KIH 6127 is 20:1～1:15；Herbicidal combinations of the present invention is mainly used in preventing and kill off the weeds such as rice terrace grassy weed, sedge weed and broad leaved weed, compared with existing unitary agent, obvious synergy, herbicidal effect is outstanding, herbicidal spectrum is wide, lasting period is long, to rice safety, decreases Pesticide use amount simultaneously, reduce pesticide residual quantity on crops, alleviate the pollution to environment, delayed the generation of herbicide resistance, add the Pesticide use life-span.
Description
Technical field
The present invention relates to Herbicidal combinations and application thereof, specifically become for activity with KIH 6127 with pyraclonil
Divide compounding binary complex, be mainly used in the preventing and treating of paddy field weed.
Background technology
Pyraclonil (pyraclonil): be a kind of compound with Pyrazolopyridine ring novel structure, the mechanism of action
For the inhibitor of proporphyrinogen oxidase, it is a kind of contact killing type herbicide, is gathered by unit's protoporphyrinogen oxidase in vegetative nerve
And play drug effect.Can be used for rice terrace and prevent and kill off annual gramineous weed, sedge weed and broad leaved weed and some are perennial
Weeds.
KIH 6127 (pyriminobac-methyl): belong to pyrimidinylthiobenzoate herbicides, it can be by the stem of weeds
Leaf and root absorption, and it is rapidly transferred to Herb, suppression acetolactate synthestase and amino acid whose biosynthesis, thus suppression and resistance
Hinder the cell division in weeds body, make weeds stop growing, finally make weeds albefaction and withered.Barnyard grass in paddy field is had specially good effect,
But it is poor to the preventive effect of other weeds.
Chemical method weeding is one of Main Means preventing and kill off paddy field weed.In recent years, due to some herbicide kinds
Large area be used alone, already lead to many paddy field weeds and create Drug resistance；During simultaneously as paddy field weed occurs
Grass is mutually complicated, of a great variety, as the multiple weeds mixing such as grass family class weeds, Cyperaceae class weeds and broad leaved weeds occur,
The herbicide of single variety uses cannot effectively solve the problems referred to above, all can show defect in a certain respect.
By the screening of different mixture of herbicides formula, filter out rational formula, can be effectively improved weeds in field
Actual preventive effect, expands weed control spectrum, reduces dosage, reduces cost, alleviates the pollution to environment, delay herbicide resistance
Produce, extend the Pesticide use life-span, be the important means of agriculturally weeds comprehensive control.
Summary of the invention
It is an object of the invention to provide a kind of component reasonable, obvious synergy, herbicidal effect is outstanding, herbicidal spectrum
Extensively, the lasting period is long, and drug cost is low, and weeds can be delayed to develop immunity to drugs, and the Herbicidal combinations to rice safety.
Another object of the present invention is to the application providing above-mentioned Herbicidal combinations in preventing and kill off paddy field weed.
Technical scheme: for achieving the above object, the present invention provides a kind of containing pyraclonil and KIH 6127
Herbicidal combinations, is made up of the first active component pyraclonil and the second active component KIH 6127 and auxiliary agent, pyraclonil and phonetic
The weight ratio of grass ether is 20:1～1:15, and preferred weight ratio is 10:1～1:5；Pyraclonil and KIH 6127 in the composition total
Weight percentage is 0.1%～85%, and remaining is insecticides adjuvant.
Insecticides adjuvant of the present invention include solvent, emulsifying agent, wetting agent, dispersant, antifreezing agent, thickening agent, disintegrating agent,
Binding agent, defoamer, preservative, stabilizer, synergist, solid acid, carbonate, flowing regulator, film former, filler etc., all
Being conventional in pesticidal preparations or the composition of permission use, be not particularly limited, concrete composition and consumption pass through according to recipe requirements
Test determines.
Described solvent selected from acetone, butanone, Ketohexamethylene, toluene, dimethylbenzene, trimethylbenzene, durene, methyl naphthalene, oleic acid first
Ester, ethyl acetate, fatty acid methyl ester, pine base oil, soybean oil, Oleum Brassicae campestris, biodiesel, ethanol, normal propyl alcohol, isopropanol, the third two
Alcohol, glycerol, n-butyl alcohol, isooctanol, sec-Butyl Acetate, dimethyl carbonate, diesel oil, white oil, machine oil, dibasic ester, N-methyl
One or more mixture in ketopyrrolidine, N,N-dimethylformamide, deionized water etc..
Described emulsifying agent selected from agriculture breast 400, agriculture breast 500, agriculture breast 600, Nongru-700, NP series, 0201B, 0203B,
2201, peaceful breast 31, peaceful breast 33, peaceful breast 37,0202,0202C, alkylphenol polyoxyethylene sulfosuccinate, Semen Ricini
Oil polyoxyethylene ether, aliphatic acid polyethenoxy ether, polyoxyethylene aliphatic alcohol ether, ethoxy castor oil, polymethyl acrylate, fat
One or more mixture in acid polyethylene glycol ester, trilaurin polyoxyethylene ether etc..
Described wetting agent selected from naphthalene sulfonate, sodium lauryl sulphate, Teepol, fatty alcohol-polyoxyethylene ether,
In NPE, sorbitan fatty acid ester polyoxyethylene ether, alkylsulfonate etc. one or both with
On mixture.
Described dispersant selected from sodium lignin sulfonate, calcium lignosulfonate, sodium polyacrylate, di-2-ethylhexylphosphine oxide naphthalene sulfonate,
Alkyl benzene sulfonate calcium salt, alkylbenzenesulfonate amine salt, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products, polyoxyethylene polyoxypropylene block
In copolymer, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, sodium tripolyphosphate, alkylnaphthalene sulfonate condensation polymer etc.
One or more mixture.
Described antifreezing agent is in ethylene glycol, propylene glycol, glycerol, Polyethylene Glycol, sorbitol, carbamide, inorganic salts etc.
One or more mixture.
Described thickening agent is selected from xanthan gum, gelatin, arabic gum, polyvinyl alcohol, bentonite, aluminium-magnesium silicate, carboxymethyl fibre
One or more mixture in dimension element, carboxyethyl cellulose, methylcellulose etc..
Described disintegrating agent is selected from ammonium sulfate, carbamide, starch and derivant, low-substituted hydroxypropyl cellulose, polyethylene pyrrole
One or more mixture during pyrrolidone, sodium alginate, calcium chloride, sodium chloride, magnesium chloride, aluminum chloride are medium.
Described binding agent is selected from glucose, sucrose, hydroxyethyl cellulose, soluble starch, Polyethylene Glycol, Methyl cellulose
Element, polycarboxylic acid and water-soluble high-molecular compound sodium carboxymethyl cellulose, polyvinyl alcohol, paraffin, Gypsum Fibrosum, hydroxypropyl methyl fibre
One or more mixture in dimension element, polyacrylamide etc..
Described defoamer is selected from silicone oil, silicone compound, C10-20Saturated fat acid compounds, C8-10Aliphatic alcohols,
One or more mixture in hexanol, butanol, capryl alcohol etc..
Described preservative is in formaldehyde, benzoic acid, sodium benzoate, potassium sorbate, Kazon KF88, isothiazolone etc.
One or more mixture.
Described stabilizer is selected from sodium citrate, resorcinol, epoxy soybean oil, epoxychloropropane, epoxidized linseed oil, season penta
One or more mixture in tetrol, xylitol, Butylated hydroxyanisole etc..
Described synergist selected from bean cake, chlorinated aliphatic, Butacide, organosilicon, Octacide 264, alkyl carbonate, laurocapram,
One or more mixture in polyether-modified trisiloxanes etc..
Described solid acid selected from citric acid, succinic acid, maleic acid, fumaric acid, tartaric acid, oxalic acid, malonic acid, malic acid,
In succinic acid, adipic acid, boric acid, phosphoric acid, benzoic acid, sulfamic acid, salicylic acid, glutamic acid, phenylacetic acid, nicotinic acid or sorbic acid etc.
One or more mixture.
Described carbonate is selected from sodium carbonate, potassium carbonate, ammonium carbonate, calcium carbonate, lithium carbonate, sodium bicarbonate, potassium bicarbonate, carbon
One or more mixture in acid hydrogen lithium, sodium sesquicarbonate, bicarbonate tripotassium, bicarbonate three ammonium etc..
Described flowing regulator is selected from such as Pulvis Talci, stearic acid, magnesium stearate, calcium stearate, barium stearate, titanium dioxide
One or more mixture in titanium, Stepanol MG, polysorbate, Semen Tritici aestivi starch, sodium benzoate etc..
Described film former is selected from methyl laurate, octadecanol, propylene glycol phenylate, monobutyl ether acetate and benzyl alcohol etc.
Kind or two or more mixture.
Described filler selected from white carbon, Kaolin, bentonite, precipitated calcium carbonate, Gypsum Fibrosum, attapulgite, carbamide, sucrose,
One or more mixture in kieselguhr, ammonium sulfate, potassium dihydrogen phosphate, potter's clay, meerschaum etc..
Herbicidal combinations of the present invention can be prepared as the multiple application forms being suitable in agricultural production using, reasonable dose
Type has suspending agent, granule, aqueous emulsion, microemulsion, water dispersible granules, wettable powder, film-spreading oil solution, effervescent tablet.
The production technology of the various application forms of described Herbicidal combinations all belongs to existing known technology, does not repeats them here.
Compared with prior art, it is an advantage of the current invention that:
1, pyraclonil and two kinds of active component of KIH 6127 compound and have significant synergistic function, independent than single dose
Use and significantly improve the prevention effect to paddy field weed, expand weed control spectrum.
2, pyraclonil and two kinds of active component of KIH 6127 compound, and decrease Pesticide use amount, reduce use cost, subtract
The light pollution to environment.
3, pyraclonil and two kinds of active component of KIH 6127 compound, and the mechanism of action is different, and action site increases, and delays
The generation of herbicide resistance, adds the service life of pesticide.
Detailed description of the invention
In order to be more fully understood that the essence of the present invention, below in conjunction with embodiment, present disclosure is described further,
But can not be considered as limitation of the present invention, the following stated is only used for explaining the present invention, for without departing from present invention spirit and principle
The amendment made, replace or improve, belong to the scope of protection of present invention.
Embodiment one: 22% pyraclonil KIH 6127 suspending agent
Following material is all weight percentage: pyraclonil 20%, KIH 6127 2%, polyoxyethylene polyoxypropylene block are altogether
Polymers (dispersant) 5%, sodium lauryl sulphate (wetting agent) 5%, isothiazolone (preservative) 0.3%, silicone oil (froth breaking
Agent) 0.2%, hydroxymethyl cellulose (thickening agent) 2%, ethylene glycol (antifreezing agent) 3%, deionized water supplies 100%.By above-mentioned thing
Material is mixed in proportion, and is uniformly dispersed through high speed shear, in sand mill after sand milling, can be prepared by 22% pyraclonil KIH 6127 and hang
Floating agent.
Embodiment two: 3% pyraclonil KIH 6127 granule
Following material is all weight percentage: pyraclonil 2%, KIH 6127 1%, sodium lauryl sulphate (wetting agent)
3%, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products (dispersant) 5%, hydroxypropyl methyl cellulose (binding agent) 5%, meerschaum
(filler) complements to 100%.Above-mentioned material is mixed in proportion, with ultra micro comminution by gas stream mix homogeneously, then at disc granulation
Machine adds water granulation, after drying screening detection, can be prepared by 3% pyraclonil KIH 6127 granule.
Embodiment three: 48% pyraclonil KIH 6127 aqueous emulsion
Following material is all weight percentage: pyraclonil 45%, KIH 6127 3%, trimethylbenzene (solvent) 5%, Petiolus Trachycarpi oil
Acid methyl ester (solvent) 10%, alkylphenol polyoxyethylene sulfosuccinate (emulsifying agent) 10%, epoxy soybean oil (stabilizer)
3%, glycerol (antifreezing agent) 2%, C10-20Saturated fat acid compounds (defoamer) 0.3%, potassium sorbate (preservative)
0.3%, carboxyethyl cellulose (thickening agent) 1%, deionized water supplies 100%.Above-mentioned material is mixed in proportion, through cutting at a high speed
Cut after stirring, can be prepared by 48% pyraclonil KIH 6127 aqueous emulsion.
Embodiment four: 40% pyraclonil KIH 6127 microemulsion
Following material is all weight percentage: pyraclonil 20%, KIH 6127 20%, Ketohexamethylene (solvent) 10%, acetic acid
Secondary butyl ester (solvent) 5%, castor oil polyoxyethylene ether (emulsifying agent) 10%, epoxidized linseed oil (stabilizer) 3%, laurocapram
(synergist) 2.5%, ethylene glycol (antifreezing agent) 2%, silicone oil (defoamer) 0.3%, deionized water supply 100%.By above-mentioned thing
Material is mixed in proportion, and after high shear agitation is uniform, can be prepared by 40% pyraclonil KIH 6127 microemulsion.
Embodiment five: 60% pyraclonil KIH 6127 water dispersible granules
Following material is all weight percentage: pyraclonil 15%, KIH 6127 45%, naphthalene sulfonate (wetting agent) 5%, poly-
Oxygen ethylene polyoxypropylene block copolymers (dispersant) 7%, low-substituted hydroxypropyl cellulose (disintegrating agent) 5%, polyvinyl alcohol are (viscous
Knot agent) 0.5%, attapulgite (filler) supplies 100%.Above-mentioned material is mixed in proportion, through comminution by gas stream mix homogeneously, pinches
After closing pelletize, dry screening, can be prepared by 60% pyraclonil KIH 6127 water dispersible granules.
Embodiment six: 65% pyraclonil KIH 6127 wettable powder
Following material is all weight percentage: pyraclonil 10%, KIH 6127 55%, sodium lauryl sulphate (wetting agent)
10%, polyoxyethylene polyoxypropylene block copolymer (dispersant) 5%, white carbon (filler) 5%, Kaolin (filler) is supplied
100%.Above-mentioned material is mixed in proportion, after mechanical activation comminution again after comminution by gas stream, mix homogeneously, can be prepared by 65% polybenzobisoxazole
Oxalic acid dinitrile KIH 6127 wettable powder.
Embodiment seven: 27% pyraclonil KIH 6127 film-spreading oil solution
Pyraclonil 3%, KIH 6127 24%, trimethylbenzene (solvent) 5%, N-Methyl pyrrolidone (solvent) 10%, alkyl
Naphthalene sulphonate (dispersant) 10%, aliphatic acid polyethenoxy ether (emulsifying agent) 5%, propylene glycol phenylate (film former) 3%,
Sec-Butyl Acetate (solvent) complements to 100%.Above-mentioned material is mixed in proportion, is thoroughly mixed uniformly to transparent,
Prepare 27% pyraclonil KIH 6127 film-spreading oil solution.
Embodiment eight: 18% pyraclonil KIH 6127 effervescent tablet
Pyraclonil 17%, KIH 6127 1%, Teepol (wetting agent) 5%, polyoxyethylene polyoxypropylene block are altogether
Polymers (dispersant) 5%, sodium alginate (disintegrating agent) 2%, sulfamic acid (solid acid) 15%, sodium sesquicarbonate (carbonate)
15%, polysorbate (flowing regulator) 3%, soluble starch (binding agent) 2%, meerschaum (filler) complements to 100%.
Above-mentioned material is mixed in proportion, after comminution by gas stream mix homogeneously, uses tablet machine film-making, last drying, granulate, detection,
After packing, can be prepared by 18% pyraclonil KIH 6127 effervescent tablet.
Embodiment nine: pyraclonil and the compounding Toxicity Determination to Herba monochoriae vaginalis, barnyard grass, Herba Cyperi Difformis of KIH 6127 are tried
Test.
Reagent agent: the 96% former medicine of pyraclonil and the former medicine of 97% KIH 6127.
For examination target: Herba monochoriae vaginalis (Monochoria vaginalis), barnyard grass (Echinochloa crusgalli), different
Type dried tuber (Cyperus difformis).
Test method: the built-in quantitative soil of polypots at high 6cm, diameter 9cm, will be for examination target weed seed 15～20
Sowing, in polypots, is placed on temperature indoor cultivation after the thick fine earth of lid 0.5～1cm, treats that weeds length carries out stem and leaf to 1～2 leaf phases
Spraying treatment, every alms bowl spraying liquid 1mL, often process and be repeated 4 times, and set the process without medicament as compareing.Try material after process to be placed in
Temperature indoor cultivation, the growing state of routine observation target weeds, estimate target damage symptoms and growth inhibited situation after 21d, and
Claim aerial parts fresh weight, calculate fresh weight preventive effect (%).
With DPS statistical analysis software, the logarithm value of drug dose and the probability system of fresh weight preventive effect are carried out regression analysis, meter
Calculate the ED of each medicament50, and the co-toxicity coefficient (CTC value) of mixture is calculated according to the abundant method of Sun Yun.
Co-toxicity coefficient (CTC) >=120 shows as potentiation；CTC≤80 show as antagonism；80 ＜ CTC ＜ 120 tables
It it is now summation action.
The compounding Toxicity Determination result to Herba monochoriae vaginalis of table 1, pyraclonil and KIH 6127
| Medicament title and proportioning (weight ratio) | ED50(g a.i./ha) | ATI | TTI | CTC |
| Pyraclonil | 73.86 | 100.00 | - | - |
| KIH 6127 | 41.37 | 178.54 | - | - |
| Pyraclonil: KIH 6127 (20:1) | 40.19 | 183.78 | 103.74 | 177.15 |
| Pyraclonil: KIH 6127 (15:1) | 36.42 | 202.80 | 104.91 | 193.31 |
| Pyraclonil: KIH 6127 (10:1) | 29.65 | 249.11 | 107.14 | 232.51 |
| Pyraclonil: KIH 6127 (5:1) | 24.33 | 303.58 | 113.09 | 268.44 |
| Pyraclonil: KIH 6127 (2:1) | 20.14 | 366.73 | 126.18 | 290.64 |
| Pyraclonil: KIH 6127 (1:1) | 19.28 | 383.09 | 139.27 | 275.07 |
| Pyraclonil: KIH 6127 (1:2) | 20.38 | 362.41 | 152.36 | 237.86 |
| Pyraclonil: KIH 6127 (1:5) | 21.05 | 350.88 | 165.45 | 212.08 |
| Pyraclonil: KIH 6127 (1:10) | 23.18 | 318.64 | 171.40 | 185.90 |
| Pyraclonil: KIH 6127 (1:15) | 26.23 | 281.59 | 173.63 | 162.18 |
The compounding Toxicity Determination result to barnyard grass of table 2, pyraclonil and KIH 6127
| Medicament title and proportioning (weight ratio) | ED50(g a.i./ha) | ATI | TTI | CTC |
| Pyraclonil | 65.54 | 100.00 | - | - |
| KIH 6127 | 24.16 | 271.27 | - | - |
| Pyraclonil: KIH 6127 (20:1) | 33.97 | 192.93 | 108.16 | 178.37 |
| Pyraclonil: KIH 6127 (15:1) | 31.36 | 208.99 | 110.70 | 188.79 |
| Pyraclonil: KIH 6127 (10:1) | 28.03 | 233.82 | 115.57 | 202.32 |
| Pyraclonil: KIH 6127 (5:1) | 20.86 | 314.19 | 128.55 | 244.41 |
| Pyraclonil: KIH 6127 (2:1) | 14.91 | 439.57 | 157.09 | 279.82 |
| Pyraclonil: KIH 6127 (1:1) | 13.55 | 483.69 | 185.64 | 260.55 |
| Pyraclonil: KIH 6127 (1:2) | 12.68 | 516.88 | 214.18 | 241.33 |
| Pyraclonil: KIH 6127 (1:5) | 13.16 | 498.02 | 242.73 | 205.17 |
| Pyraclonil: KIH 6127 (1:10) | 14.74 | 444.64 | 255.70 | 173.89 |
| Pyraclonil: KIH 6127 (1:15) | 16.21 | 404.32 | 260.57 | 155.17 |
The compounding Toxicity Determination result to Herba Cyperi Difformis of table 3, pyraclonil and KIH 6127
| Medicament title and proportioning (weight ratio) | ED50(g a.i./ha) | ATI | TTI | CTC |
| Pyraclonil | 61.19 | 100.00 | - | - |
| KIH 6127 | 20.87 | 293.20 | - | - |
| Pyraclonil: KIH 6127 (20:1) | 30.54 | 200.36 | 109.20 | 183.48 |
| Pyraclonil: KIH 6127 (15:1) | 28.13 | 217.53 | 112.08 | 194.08 |
| Pyraclonil: KIH 6127 (10:1) | 22.46 | 272.44 | 117.56 | 231.75 |
| Pyraclonil: KIH 6127 (5:1) | 17.81 | 343.57 | 132.20 | 259.89 |
| Pyraclonil: KIH 6127 (2:1) | 13.25 | 461.81 | 164.40 | 280.91 |
| Pyraclonil: KIH 6127 (1:1) | 11.68 | 523.89 | 196.60 | 266.48 |
| Pyraclonil: KIH 6127 (1:2) | 10.96 | 558.30 | 228.80 | 244.01 |
| Pyraclonil: KIH 6127 (1:5) | 11.07 | 552.76 | 261.00 | 211.79 |
| Pyraclonil: KIH 6127 (1:10) | 11.85 | 516.37 | 275.64 | 187.33 |
| Pyraclonil: KIH 6127 (1:15) | 12.69 | 482.19 | 281.13 | 171.52 |
From table 1, table 2 and table 3 it can be seen that pyraclonil and KIH 6127 are multiple in the range of 20:1～1:15 (by weight)
Timing, co-toxicity coefficient (CTC) is all higher than 120, Herba monochoriae vaginalis, barnyard grass, Herba Cyperi Difformis all shows synergistic function, especially
In the range of 10:1～1:5 (by weight) compounding time, synergistic function is the most notable, co-toxicity coefficient (CTC) all 200 with
On.Visible, pyraclonil and KIH 6127 compound has reasonability and feasibility.
Embodiment ten: pyraclonil and the KIH 6127 complex composition preparation field control effectiveness test to paddy field weed.
Experimental field selecting paddy field weed to occur more field to carry out, often process and set 3 repetitions, after medicine, 30 days statistics are each
Process weeds quantity and calculate preventive effect.
Table 4, each chemicals treatment prevent and kill off the field control effectiveness test result of paddy field weed
By the field test results of table 4 it can be seen that 30 days each example composition preparations Herba sagittariae pygmaeae to rice terrace after medicine
The preventive effect of the weeds such as Rhizoma sagittariae sagittifoliae careless, short, barnyard grass, Semen Euphorbiae, Herba Cyperi Difformis and firefly Lin is outstanding, all reaches more than 80%, hence it is evident that be better than
Each single dose is used alone, and the lasting period is long, does not finds that Oryza sativa L. is produced by each example composition preparation during test survey simultaneously
Crude drug evil.
In sum, a kind of Herbicidal combinations synergistic function containing pyraclonil and KIH 6127 of the present invention
Significantly, compare each single dose and be used alone and expand weed control spectrum, improve preventive effect, can effectively prevent and kill off the various weeds of rice terrace, holding effect
Phase is long, to rice safety, is worth popularization and application in agricultural production.
Claims (8)
1. one kind contains pyraclonil and the Herbicidal combinations of KIH 6127, it is characterised in that: by the first active component pyraclonil
Forming with the second active component KIH 6127 and auxiliary agent, the weight ratio of pyraclonil and KIH 6127 is 20:1～1:15.
It is the most according to claim 1 a kind of containing pyraclonil with the Herbicidal combinations of KIH 6127, it is characterised in that: polybenzobisoxazole
The weight ratio of oxalic acid dinitrile and KIH 6127 is 10:1～1:5.
It is the most according to claim 1 a kind of containing pyraclonil with the Herbicidal combinations of KIH 6127, it is characterised in that: polybenzobisoxazole
The weight ratio of oxalic acid dinitrile and KIH 6127 is 2:1.
It is the most according to claim 1 a kind of containing pyraclonil with the Herbicidal combinations of KIH 6127, it is characterised in that: polybenzobisoxazole
The weight ratio of oxalic acid dinitrile and KIH 6127 is 1:1.
It is the most according to claim 1 a kind of containing pyraclonil with the Herbicidal combinations of KIH 6127, it is characterised in that: described
The dosage form of Herbicidal combinations is suspending agent, aqueous emulsion, microemulsion, water dispersible granules, wettable powder, film-spreading oil solution or effervescent tablet
Agent.
It is the most according to claim 1 a kind of containing pyraclonil with the Herbicidal combinations of KIH 6127, it is characterised in that: described
The dosage form of Herbicidal combinations is granule.
The most according to claim 6 a kind of containing pyraclonil with the Herbicidal combinations of KIH 6127, it is characterised in that described
The dosage form of Herbicidal combinations is its percentage by weight of granule: pyraclonil 2%, KIH 6127 1%, sodium lauryl sulphate (profit
Humectant) 3%, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products 5%, hydroxypropyl methyl cellulose 5%, meerschaum complements to 100%,
Prepare 3% pyraclonil KIH 6127 granule.
8. a kind of Herbicidal combinations containing pyraclonil and KIH 6127 described in claim 1 is in preventing and kill off paddy field weed
Application.
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| Application Number | Priority Date | Filing Date | Title |
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| Application Number | Priority Date | Filing Date | Title |
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2016
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| WW01 | Invention patent application withdrawn after publication |