CN109588410A - A kind of Herbicidal combinations - Google Patents
A kind of Herbicidal combinations Download PDFInfo
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- CN109588410A CN109588410A CN201910099574.1A CN201910099574A CN109588410A CN 109588410 A CN109588410 A CN 109588410A CN 201910099574 A CN201910099574 A CN 201910099574A CN 109588410 A CN109588410 A CN 109588410A
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- herbicidal combinations
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- tembotrions
- pyrrole grass
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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
- A01N43/80—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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- 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
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
- A01N41/10—Sulfones; Sulfoxides
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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
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/08—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with oxygen as the ring hetero atom
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of Herbicidal combinations, and it includes effective constituents As and effective component B；The effective constituents A is sulfone pyrrole grass azoles, and the effective component B is at least one of tembotrions and furans sulphur humulone.The Herbicidal combinations that invention provides can lead to the problem of resistance to avoid long-term single use, antagonism weeds such as antagonism weeds such as Descurainia sophia, shepherd's purse, corn gromwell, Veronica, ear leaf water amaranth, Monochoria vaginalis, alternanthera philoxeroides, acalypha copperleaf, black nightshade etc. have excellent preventive effect, degrass spectrum and application range are expanded compared with single dose, herba bromi japonici, shepherd's purse, herba digitariae, acalypha copperleaf, barnyard grass can be prevented and kill off, the crop fields such as corn, rice, wheat, sorghum, lawn can be used.
Description
Technical field
The present invention relates to technical field of pesticide, in particular to a kind of Herbicidal combinations and its application.
Background technique
Sulfone pyrrole grass azoles (Pyroxasulfone), Chinese chemical name are known as 5- (difluoroethoxy) -1- methyl -3- fluoroform
Base pyrazoles -4- methyl -4,5-2H-5,5- dimethyl -1,2-oxazole -3- sulfuryl or 3- (5- difluoroethoxy -1- methyl -3-
Trifluoromethyl pyrazol -4- methylsulfonyl) -4,5-2H-5,5- dimethyl -1,2- oxazole.Molecular formula is C12H14F5N3O4S, opposite point
Son amount 391.3.Raw medicine appearance is white crystal, 129-130 DEG C of fusing point, solubility 3.49mg/L (20 DEG C, pH7) in water, steam
Pressure 2 × 10-6Pa (25 DEG C), structural formula are as follows:
Sulfone pyrrole grass azoles is can be used by what Japanese Kumiai Chemical Industry Co., Ltd. and Ihara Chemical Ind Co. developed
In the grass family of corn field, Soybean Field and wheat paddock and the novel herbicide before seedling stage of broadleaf weeds.Its degrass spectrum is greater than Acetochlor
With isopropyl methoxalamine, stablize after medicine as long as control efficiency is 85d.Sulfone pyrrole grass azoles can be absorbed by weeds root and young shoot, suppression
Seeding previous vigor processed, destroy apical meristem group with plumule grow.It is extremely long branched fatty acid in plant
(VLCFAs) potential inhibitor of biosynthesis: in plant, extremely long branched fatty acid contains 18 or more C atoms, passes through
The microsome elongation system of endoplasmic reticulum has stearic acid (C16:0 fatty acid) to gradually form.
Tembotrions (Tembotrione), molecular formula C17H16ClF3O6S, chemical name 2- (the chloro- 4- mesyl -3- of 2-
[(2,2,2- trifluoro ethoxy) methyl] benzoyl) -1,3 diketone of hexamethylene.Raw medicine is Beige powder, no special odor,
Fusing point is 123 DEG C, and about 150 DEG C of separation, resolution is pKa=3.18, solubility (20 DEG C) in water: pH=4 solubility in water
0.22g/L, pH=7 solubility 28.30g/L, pH=9 solubility 29.69g/L；Solubility (20 DEG C), ethyl alcohol in organic solution
8.2g/L, toluene 75.7g/L, n-hexane 47.6g/L, dimethyl sulfoxide > 600g/L, ethyl acetate 180.2g/L, acetone 300-
600g/L, methylene chloride > 600g/L.
Chemical structural formula is as follows:
Tembotrions are the three ketones herbicides that Beyer Co., Ltd is corn field exploitation, are all 4- medical midbodies of para (ortho)-hydroxybenzoic acetone acid esters dioxygen
Change enzyme (HPPD) inhibitor, activity is higher than mesotrione, has very strong killing effect to a variety of weeds, especially miscellaneous to broad-leaved
Careless preventive effect is preferable, to crop safety.Tembotrions have stronger resistance of rainwater washing against ability, noresidue activity.
Furans sulphur humulone (terfuryltrione), No. CAS be 473278-76-1, molecular formula C20H23ClO7S,
Structural formula is as follows:
Furans sulphur humulone category benzoylcyclohexan dione herbicides are 4- medical midbodies of para (ortho)-hydroxybenzoic acetone acid dual oxide enzyme
(HPPD) inhibitor can inhibit pigment synthesis indispensable in plant growth, is absorbed by root, stem, young shoot, leaf and is passed rapidly
It leads.HPPD is one of currently the most important ones herbicide action target.HPPD be plastoquinone necessary to plant normal growth and
Key enzyme in tocopherol Biosynthetic pathway can be catalyzed the biochemical process in plant from tyrosine to plastoquinone.Furans sulphur
Humulone is by inhibiting HPPD, the final biosynthesis for influencing carotenoid.Furans sulphur humulone mainly passes through blade face and root and inhales
It receives, and is conducted in xylem and bast Xiang Ding and to base, be distributed in entire plant.After by medicine, blade face albefaction then divides weeds
Raw tissue necrosis.
To improve medication efficiency and to crop safety, drug cost is saved, the present invention is different by the above mechanism of action, prevents
The complementary active constituent compounding of spectrum is controlled, can be used for the crop fields such as corn, rice, wheat, sorghum, lawn.Through technical research personnel
The compound proportion of sulfone pyrrole grass azoles and tembotrions, sulfone pyrrole grass azoles and furans sulphur humulone is had made intensive studies, indoors formula sieve
On the basis of selecting activity test and field control effectiveness test, it is found that two kinds of effective components within a certain range of mixing ratios can be significant
Single dose dosage is reduced, and expands prevention spectrum, a drug can prevent and treat most weeds of the entire Growing season of the crop fields, significantly
Improve labor productivity.
Summary of the invention
In order to solve the above technical problems, the invention discloses a kind of Herbicidal combinations, it includes effective constituents A and effectively
Ingredient B, the effective constituents A be sulfone pyrrole grass azoles, the effective component B be tembotrions or at least one in furans sulphur humulone
Kind.
The effective constituents A and the weight ratio of effective component B are 1~90:1~90；
Preferably, the effective constituents A and the weight ratio of effective component B are 1~30:1~20；
It is further preferred that the effective constituents A and the weight ratio of effective component B are 1~20:1~10.
Preferably, the weight percent of effective component is 1-90% in the Herbicidal combinations；
It is further preferred that the weight percent of effective component is 10-60% in the Herbicidal combinations.
The pesticidal preparations that the Herbicidal combinations containing effective constituents A and effective component B can be configured to, above-mentioned weeding
Various auxiliary agents, carrier are conventionally added in agent composition, can be processed into wettable powder, dispersible oil-suspending agent, cream
Any dosage form well known in the art such as oil, water dispersible granules, aqueous suspension agent, effervescent agent, dispersing agent.
The Herbicidal combinations contain prepare pesticidal preparations needed for agriculturally acceptable various auxiliary agents, comprising molten
Agent, emulsifier, wetting agent, stabilizer, dispersing agent, bleeding agent, thickener, defoaming agent, antifreezing agent, disintegrating agent, binder, filling
One or more of agent, carrier, medium, surfactant are known substance, can be varied according to different situations,
It is not particularly limited.
By taking wettable powder as an example, dispersing agent, wetting agent, filler can be added in Herbicidal combinations to implement.
Wherein, the dispersing agent is alkyl naphthalene formaldehyde condensate sulfonate, 2- naphthalene sulfonic acid formaldehyde polymer sodium salt, poly- carboxylic
One of hydrochlorate, dispersing agent MF, polyethers and dispersing agent commonly used in the art or any several combinations；
The wetting agent is alkylnaphthalene sulfonate, lauryl sodium sulfate, sodium lignin sulfonate, aliphatic alcohol polyethenoxy
Ether, alkylphenol-polyethenoxy polyethenoxy ether, Fatty alcohol polyoxyethylene polyoxypropylene ether sulfate, alkylphenol-polyethenoxy polyoxy
One of propylene ether sulfate and wetting agent commonly used in the art or any several combinations.
The filler is one of kaolin, bentonite, diatomite, white carbon black, precipitated calcium carbonate, attapulgite or appoints
It anticipates several combinations.
The preparation method of the wettable powder is effective constituents A, effective component B, dispersing agent, wetting agent, other fillers
It is stirred evenly in investment mixing kettle, the material of mixing is then crossed into airslide disintegrating mill, mixing kettle is then again passed by and stirs evenly,
Fineness crosses 325 meshes, and packing is after indices detection is qualified to get Herbicidal Compositions Wettable pulvis of the present invention.
The present invention relates to above-mentioned Herbicidal combinations, to can be used for the crop fields such as corn, rice, wheat, sorghum, lawn etc. a variety of
The crop fields, the weeds type of prevention and treatment include herba bromi japonici, shepherd's purse, herba digitariae, acalypha copperleaf, barnyard grass etc..
Herbicidal combinations provided by the invention, the method for generalling use directed spraying use, and also can according to need use
Other agriculturally promoted and applied use technology.
The beneficial effects of the present invention are:
(1) Herbicidal combinations provided by the invention be applied to the crop fields such as corn, rice, wheat, sorghum, lawn there is not yet
Report, in addition, the composition is that the different active constituent of the mechanism of action compounds, the present invention is surprised to find that offer of the present invention
Herbicidal combinations resistance can be led to the problem of to avoid long-term single use, antagonism weeds such as antagonism weeds such as broadcast ma
Wormwood artemisia, shepherd's purse, corn gromwell, Veronica, ear leaf water amaranth, Monochoria vaginalis, alternanthera philoxeroides, acalypha copperleaf, black nightshade etc. have excellent prevent and kill off
Effect.
(2) Herbicidal combinations provided by the invention expand degrass spectrum and application range compared with single dose, can prevent and kill off herba bromi japonici, shepherd's purse
Dish, herba digitariae, acalypha copperleaf, barnyard grass can use the crop fields such as corn, rice, wheat, sorghum, lawn.
(3) Herbicidal combinations provided by the invention, within the scope of the special ratios of two components, each single dose dosage subtracts significantly
It is few, drug cost is saved, labor intensity is reduced.The Herbicidal combinations lasting period reaches 60d, and a Growing season medication one may be implemented
The secondary hope for preventing and kill off most weeds.The present invention provides a kind of scope of application to ensure crop safety, improving production efficiency
Extensively, practical, environmentally friendly weeds solution.
(4) Herbicidal combinations provided by the invention, drug effect are played stably, and symptom is obvious, and weeding is thorough, are made respectively compared with single dose
Low with drug cost, using technically simple easy, promoting and applying has huge economic benefit and social benefit.
Specific embodiment
The technical solution in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.
Oil-suspending agent can be dispersed in a kind of Herbicidal combinations of embodiment 1
Its effective component is sulfone pyrrole grass azoles and tembotrions, and the weight ratio of the sulfone pyrrole grass azoles and tembotrions is 25:1, is had
Imitating weight percent of the ingredient in Herbicidal combinations is 26%.
The preparation method comprises the following steps: by 460 grams of soybean oils, by 75 grams of NONYL PHENOL POLYOXYETHYLENEs, 73 grams of castor oil polyoxyethylene ethers,
70 grams of calcium dodecyl benzene sulfonates are added to the container, then while stirring be added 250 grams of sulfone pyrrole grass azoles, 10 grams of tembotrions, 62 grams
White carbon black.Then it is uniformly mixed high speed shear 30 minutes material.Circulation water management sand mill is opened at 40 degree hereinafter, material passes through
Sand milling is crossed, fineness D90≤5 micron are to get the dispersible oil-suspending agent for arriving sulfone pyrrole grass azoles and tembotrions.
A kind of Herbicidal combinations effervescent agent of embodiment 2
Its effective component is sulfone pyrrole grass azoles and tembotrions, and the weight ratio of the sulfone pyrrole grass azoles and tembotrions is 2:5, effectively
Weight percent of the ingredient in Herbicidal combinations is 21%.
The preparation method comprises the following steps: successively by 60 grams of sulfone pyrrole grass azoles, 150 grams of tembotrions, 60 grams of lauryl sodium sulfate, 40 grams of wood
Matter sodium sulfonate, 240 grams of citric acids, 200 grams of sodium bicarbonates, 200 grams of kaolin are put into mixers, and stirring makes material mixed for 30 minutes
It closes uniformly, then crosses airslide disintegrating mill, fineness of materials crosses 325 meshes.The ethyl alcohol that 10% polyvinyl alcohol prepared in advance is added is molten
100 milliliters of liquid, wet granulation, whole grain are carried out, crosses 20 meshes, standard compliant particle is placed in pallet in hot-air oven
45 DEG C dry 2 hours, add 20 grams of magnesium stearates after drying, 20 grams of superfine silica gel powders, and it is whole with tablet press machine to carry out tabletting after mixing
Grain obtains the effervescent agent containing sulfone pyrrole grass azoles and tembotrions.
A kind of Herbicidal combinations effervescent agent of embodiment 3
Its effective component is sulfone pyrrole grass azoles and tembotrions, and the weight ratio of the sulfone pyrrole grass azoles and tembotrions is 1:15, is had
Imitating weight percent of the ingredient in Herbicidal combinations is 10%.
The preparation method comprises the following steps: successively by 6.25 grams of sulfone pyrrole grass azoles, 93.75 grams of tembotrions, 70 grams of lauryl sodium sulfate, 50 grams
Wooden sodium sulfonate, 250 grams of citric acids, 190 grams of sodium bicarbonates, 190 grams of kaolin are put into mixers, and stirring makes material in 30 minutes
It is uniformly mixed, then crosses airslide disintegrating mill, fineness of materials crosses 325 meshes.The ethyl alcohol of 10% polyvinyl alcohol prepared in advance is added
100 milliliters of solution, wet granulation, whole grain are carried out, crosses 20 meshes, standard compliant particle is placed in pallet in hot-air oven
45 DEG C dry 2 hours, add 20 grams of magnesium stearates after drying, 20 grams of superfine silica gel powders, and it is whole with tablet press machine to carry out tabletting after mixing
Grain obtains the effervescent agent containing sulfone pyrrole grass azoles and tembotrions.
A kind of Herbicidal combinations water dispersible granules of embodiment 4
Its effective component is sulfone pyrrole grass azoles and tembotrions, and the weight ratio of the sulfone pyrrole grass azoles and tembotrions is 10:1, is had
Imitating weight percent of the ingredient in Herbicidal combinations is 60%.
The preparation method comprises the following steps: successively by 545.5 grams of sulfone pyrrole grass azoles, 54.5 grams of tembotrions, 110 grams of naphthalene sulphonate formaldehyde condensations
Object, 115 grams of calcium lignosulfonates, 40 grams of K12,10 grams of sodium sulphate, 50 grams of polyethylene glycol, 85 grams of kaolin are put into mixers,
Stirring is uniformly mixed material, then crosses airslide disintegrating mill, fineness of materials D90≤15 micron.100 milliliters of water are added to mix
Even at wet feed, wet process makes 20 mesh grains, dries 2 hours in hot-air oven at 45 DEG C in pallet, whole after 18 meshes after drying
Grain to get arrive the water dispersible granules containing sulfone pyrrole grass azoles and tembotrions.
A kind of Herbicidal Compositions Wettable pulvis of embodiment 5
Its effective component is sulfone pyrrole grass azoles and tembotrions, and the weight ratio of the sulfone pyrrole grass azoles and tembotrions is 1:1, effectively
Weight percent of the ingredient in Herbicidal combinations is 50%.
The preparation method comprises the following steps: successively by 250 grams of azoles of sulfone pyrrole grass, 250 grams of tembotrions, 298 grams of white carbon black, 2- naphthalene sulfonate first
It 160 grams of aldehyde condensate, 42 grams of lauryl sodium sulfate, puts into mixer, stirring is uniformly mixed material, then
Airslide disintegrating mill is crossed, D90≤15 micron of material are made, then material is mixed to get arriving in a mixer again
Wettable powder containing sulfone pyrrole grass azoles and tembotrions.
A kind of Herbicidal Compositions Wettable pulvis of embodiment 6
Its effective component is sulfone pyrrole grass azoles and tembotrions, and the weight ratio of the sulfone pyrrole grass azoles and tembotrions is 1:1, effectively
Weight percent of the ingredient in Herbicidal combinations is 1%.
The preparation method comprises the following steps: 2- naphthalene sulphonate formaldehyde is condensed successively by 5 grams of azoles of sulfone pyrrole grass, 5 grams of tembotrions, 389 grams of white carbon black
It 360 grams of object, 241 grams of lauryl sodium sulfate, puts into mixer, stirring is uniformly mixed material, then crosses air-flow
Pulverizer makes D90≤15 micron of material, is then again in a mixer mixed material to get to containing sulfone
The wettable powder of pyrrole grass azoles and tembotrions.
A kind of Herbicidal Compositions Wettable pulvis of embodiment 7
Its effective component is sulfone pyrrole grass azoles and tembotrions, and the weight ratio of the sulfone pyrrole grass azoles and tembotrions is 1:1, effectively
Weight percent of the ingredient in Herbicidal combinations is 90%.
The preparation method comprises the following steps: successively by 450 grams of azoles of sulfone pyrrole grass, 450 grams of tembotrions, 58 grams of white carbon black, 2- naphthalene sulphonate formaldehyde
It 30 grams of condensation product, 12 grams of dodecyl sulphate, puts into mixer, stirring is uniformly mixed material, then crosses air-flow
Pulverizer makes D90≤15 micron of material, is then again in a mixer mixed material to get to containing sulfone
The wettable powder of pyrrole grass azoles and tembotrions.
Oil-suspending agent can be dispersed in a kind of Herbicidal combinations of embodiment 8
Its effective component is sulfone pyrrole grass azoles and furanone, and the weight ratio of the sulfone pyrrole grass azoles and furans sulphur humulone is 25:1,
Weight percent of its effective component in Herbicidal combinations is 26%.
Preparation method is substantially with embodiment 1, with embodiment 1 the difference is that tembotrions are replaced with furans sulphur humulone.
A kind of Herbicidal combinations effervescent agent of embodiment 9
Its effective component is sulfone pyrrole grass azoles and furans sulphur humulone, and the weight ratio of the sulfone pyrrole grass azoles and furans sulphur humulone is 2:
5, weight percent of the effective component in Herbicidal combinations is 21%.
Preparation method is substantially with embodiment 2, with embodiment 2 the difference is that tembotrions are replaced with furans sulphur humulone.
A kind of Herbicidal combinations effervescent agent of embodiment 10
Its effective component is sulfone pyrrole grass azoles and furans sulphur humulone, and the weight ratio of the sulfone pyrrole grass azoles and furans sulphur humulone is 1:
15, weight percent of the effective component in Herbicidal combinations is 10%.
Preparation method is substantially with embodiment 3, with embodiment 3 the difference is that tembotrions are replaced with furans sulphur humulone.
A kind of Herbicidal combinations water dispersible granules of embodiment 11
Its effective component is sulfone pyrrole grass azoles and furans sulphur humulone, and the weight ratio of the sulfone pyrrole grass azoles and furans sulphur humulone is
10:1, weight percent of the effective component in Herbicidal combinations are 60%.
Preparation method is substantially with embodiment 4, with embodiment 4 the difference is that tembotrions are replaced with furans sulphur humulone.
A kind of Herbicidal Compositions Wettable pulvis of embodiment 12
Its effective component is sulfone pyrrole grass azoles and furans sulphur humulone, and the weight ratio of the sulfone pyrrole grass azoles and furans sulphur humulone is 1:
1, weight percent of the effective component in Herbicidal combinations is 50%.
Preparation method is substantially with embodiment 5, with embodiment 5 the difference is that tembotrions are replaced with furans sulphur humulone.
A kind of Herbicidal Compositions Wettable pulvis of embodiment 13
Its effective component is sulfone pyrrole grass azoles and furans sulphur humulone, and the weight ratio of the sulfone pyrrole grass azoles and furans sulphur humulone is 1:
1, weight percent of the effective component in Herbicidal combinations is 1%.
Preparation method is substantially with embodiment 6, with embodiment 6 the difference is that tembotrions are replaced with furans sulphur humulone.
A kind of Herbicidal Compositions Wettable pulvis of embodiment 14
Its effective component is sulfone pyrrole grass azoles and furans sulphur humulone, and the weight ratio of the sulfone pyrrole grass azoles and furans sulphur humulone is 1:
1, weight percent of the effective component in Herbicidal combinations is 90%.
Preparation method is substantially with embodiment 7, with embodiment 7 the difference is that tembotrions are replaced with furans sulphur humulone.
The evaluation of 1 mixed effect of experimental example
Referring to herbicide mixture the evaluation of synergy measuring method Gowing method it is of the invention in sulfone pyrrole grass azoles and tembotrions,
The mixed effect of sulfone pyrrole grass azoles and furans sulphur humulone.
Calculation formula are as follows:
If E0For theoretical preventive effect of single dose A, B after mixed；；
E0=X+Y-XY/100
If E is actual measurement preventive effect, calculation formula are as follows:
If E-E0> 10% is then synergistic effect；E-E0< -10% is then antagonism；E-E0, when between ± 10%
It is then summation action.
Inventor is by a large amount of screening test, to sulfone pyrrole grass azoles and furans sulphur humulone/furans sulphur humulone different ratio
A large amount of efficiency test has been carried out, has confirmed that in the range of 1~90:1~90 be synergistic function, especially in 1-20:1-10
Ratio range in, obtained Herbicidal combinations have synergistic effect, antagonism weeds such as Descurainia sophia, shepherd's purse, corn gromwell, mother-in-law
Procumbent speedwell, ear leaf water amaranth, Monochoria vaginalis, alternanthera philoxeroides, acalypha copperleaf, black nightshade etc. have excellent preventive effect.As follows with Descurainia sophia,
Ear leaf water amaranth is that test material carries out the total careless strain preventive effect of indoor biometrics experiment statistics, with the mixed effect evaluation within the scope of 1-30:1-20
For illustrate evaluation method.
1 sulfone pyrrole grass azoles of table and tembotrions respectively match mixed effect
As seen from the above table, sulfone pyrrole grass azoles is mixed with tembotrions, and actual measurement preventive effect and theoretical preventive effect difference are all larger than -10%, when
For the two ratio range in 1~30:1~20, the two shows synergistic function, increases wherein showing when 1~20:1~10 range
Effect effect, and when sulfone pyrrole grass azoles and tembotrions are 10:1, E-E0 value is equal to 28.20%, and synergistic effect is most strong, as sulfone pyrrole grass azoles
With the most preferably proportion of tembotrions, when the effective component total amount of sulfone pyrrole grass azoles and ring flavones is larger, synergistic fruit is more unknown
It is aobvious.
2 sulfone pyrrole grass azoles of table and furans sulphur humulone respectively match mixed effect
As seen from the above table, sulfone pyrrole grass azoles is mixed with furans sulphur humulone, and actual measurement preventive effect and theoretical preventive effect difference be all larger than-
10%, when the two ratio range is in 1~30:1~20, the two shows synergistic function, wherein the range of 1~20:1~10
When synergistic effect it is significant, and when sulfone pyrrole grass azoles and furans sulphur humulone are 10:1, E-E0 value is equal to 26.52%, and synergistic effect is most
By force, the most preferably proportion as sulfone pyrrole grass azoles and furans sulphur humulone.When the effective component total amount of sulfone pyrrole grass azoles and furans yellow grass ketone
When larger, cooperative synergism effect is less obvious.
2 field experiment of experimental example
Preventive effect may be influenced by factors such as environment, pesticide application technologies when in view of herbicide field practical application, inventor presses
Example of formulations as above is configured to respective sample, referring to " National Standard of the People's Republic of China's pesticide field efficacy medicine test criterion
(1) " design field efficacy, with clear sulfone pyrrole grass azoles and furans sulphur humulone, sulfone pyrrole grass azoles and furans sulphur humulone field efficacy and
To potted plant crop safety under outdoor conditions.Specific test operation is as follows:
Comparison medicament 1: sulfone pyrrole grass azole suspending agent (SC), laboratory prepare sample, wherein in suspending agent sulfone pyrrole grass azoles weight
Measuring percentage is 10%.
Comparison medicament 2: tembotrions suspending agent (SC), laboratory prepare sample, wherein in suspending agent tembotrions weight hundred
Divide than being 10%.
Comparison medicament 3: sample is prepared in furans sulphur humulone suspending agent (SC), laboratory, wherein furans sulphur humulone in suspending agent
Weight percent be 10%.
Pilot survey object: preventive effect and total careless preventive effect of the investigation medicament to various weeds.It is experimental field selected from Jiangxi Lu'an City,
Field main weeds are herba bromi japonici, shepherd's purse, herba digitariae, acalypha copperleaf and barnyard grass etc..
Spraying time: gramineae weed 3-5 leaf phase, the emergence of part broadleaf weeds, most of weeds no seedlings.
Application method and field management: by local farming method, by spraying, spread fertilizer over the fields or mix soil processing.
Quarter Design: the random district's groups arrangement of cell, 30 square metres of every cell, 4 repetitions.
Preventive effect investigation: absolute-value scheme, every cell randomly choose at 4 points, and 0.25 square metre every is sampled, statistics weeds strain
Number calculates strain preventive effect (E1).
CK0To be administered preceding number of weeds, CK1For number of weeds after application；Pt0Number of weeds before being administered for treatment region, Pt1For processing
Number of weeds after area's application.
Test result:
30d preventive effect after 3 sulfone pyrrole grass azoles of table and the Herbicidal combinations medicine of tembotrions
As seen from the above table, composition preventive effect is prepared up to 92% or more in embodiment 1-5, total grass of the processing of comparison medicament 1
Strain preventive effect is only 75.57%, and total careless strain preventive effect of the processing of comparison medicament 2 is only 66.79%, and combination is prepared in embodiment 1-5
Total careless strain preventive effect of object processing is 92.48-96.39%.
30d preventive effect after the Herbicidal combinations medicine of 4 sulfone pyrrole grass azoles of table and furans sulphur humulone
As seen from the above table, composition preventive effect is prepared up to 91% or more in embodiment 8-12, total grass of the processing of comparison medicament 1
Strain preventive effect is only 75.57%, and the fresh strain preventive effect of total grass of the processing of comparison medicament 3 is only 66.72%, and total grass in embodiment 8-12
Strain preventive effect is 91.05-95.84%.
60d after medicine, sampling statistics different agents handle cell weeds growth and decline situation again, calculate the fresh weight of each processing weeds
Preventive effect evaluates the lasting period of medicament.
60d preventive effect after 5 sulfone pyrrole grass azoles of table and the Herbicidal combinations medicine of tembotrions
As seen from the above table, composition preventive effect is prepared up to 90% or more in embodiment 1-5, total grass of the processing of comparison medicament 1
Fresh weight preventive effect is only 65.97%, and total careless fresh weight preventive effect of the processing of comparison medicament 2 is only 54.79%, and embodiment 1-5 is prepared into
Total careless fresh weight preventive effect of the compositions-treated arrived is 90.48-92.81%.
60d preventive effect after the Herbicidal combinations medicine of 6 sulfone pyrrole grass azoles of table and furans sulphur humulone
As seen from the above table, up to 88% or more, comparison medicament 1 is handled the Herbicidal combinations preventive effect that embodiment 8-12 is prepared
Total careless fresh weight preventive effect be only 66.87%, total careless fresh weight preventive effect that the processing of comparison medicament 3 obtains is only 54.72%, and embodiment
Total careless fresh weight preventive effect that the Herbicidal combinations processing that 8-12 is prepared reaches is 88.05-92.24%.
After tested, in wheat, rice, corn field in application, show good selectivity, without obvious symptom of chemical damage, after medicine
60d growing way is suitable with blank control and comparison medicament, can normal branch/leaflet, row reproductive growth, range estimation plant height, leaf age without
Inhibit.
Application ACCase inhibitor (Quizalotop-ethyl, smart oxazole throughout the year is picked up from view of herba digitariae involved in this experiment, barnyard grass
Diclofop-methyl, clodinafop-propargyl etc.) plot, the present invention is surprised to find that containing sulfone pyrrole grass azoles and tembotrions, sulfone pyrrole grass azoles and furans sulphur
The synergistic effect that the weeds that the Herbicidal combinations of humulone generate resistance to a variety of ACCase inhibitor are excellent in, has and answers well
Use prospect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.Separately
Outside, the technical solution between each embodiment can be combined with each other, can be real with those of ordinary skill in the art but must be
Based on existing；It will be understood that the combination of this technical solution not when conflicting or cannot achieve when occurs in the combination of technical solution
In the presence of, also not the present invention claims protection scope within.
Claims (10)
1. a kind of Herbicidal combinations, it is characterised in that: it includes effective constituents As and effective component B；The effective constituents A is
Sulfone pyrrole grass azoles, the effective component B are at least one of tembotrions and furans sulphur humulone.
2. Herbicidal combinations as described in claim 1, it is characterised in that: the weight ratio of the effective constituents A and effective component B
Are as follows: 1~90:1~90.
3. Herbicidal combinations as described in claim 1, it is characterised in that: the weight ratio of the effective constituents A and effective component B
Are as follows: 1~30:1~20.
4. Herbicidal combinations as described in claim 1, it is characterised in that: the weight ratio of the effective constituents A and effective component B
Are as follows: 1~20:1~10.
5. Herbicidal combinations as described in claim 1, it is characterised in that: the weight hundred of effective component in the Herbicidal combinations
Divide than being 1~90%.
6. Herbicidal combinations as described in claim 1, it is characterised in that: the preparation of the Herbicidal combinations is wettable powder
Agent, dispersible oil-suspending agent, missible oil, water dispersible granules, aqueous suspension agent or effervescent agent.
7. Herbicidal combinations as described in claim 1, it is characterised in that: further include pesticide conven-tional adjuvants.
8. Herbicidal combinations as claimed in claim 7, it is characterised in that: the pesticide conven-tional adjuvants are emulsifier, wetting
Agent, stabilizer, dispersing agent, bleeding agent, thickener, defoaming agent, antifreezing agent, disintegrating agent, binder, filler, carrier, medium,
One or more of surfactant.
9. Herbicidal combinations as claimed in claim 8, it is characterised in that: the pesticide conven-tional adjuvants are dispersing agent, wetting
Agent and filler；The dispersing agent is alkyl naphthalene formaldehyde condensate sulfonate, 2- naphthalene sulfonic acid formaldehyde polymer sodium salt, polycarboxylic acids
One or more of salt, dispersing agent MF and polyethers；The wetting agent is alkylnaphthalene sulfonate, 12
Sodium alkyl sulfate, sodium lignin sulfonate, fatty alcohol polyoxyethylene ether, alkylphenol-polyethenoxy polyethenoxy ether, fatty alcohol polyoxy
One or more of ethylene polyoxypropylene ether sulfate and alkylphenol-polyethenoxy polyoxypropylene ether sulfate；The filler is
One or more of kaolin, bentonite, diatomite, white carbon black, precipitated calcium carbonate and attapulgite.
10. Herbicidal combinations as described in any one of claims 1-9 are in prevention and treatment corn, rice, wheat, sorghum and lawn
The application of weeds, it is characterised in that: the weeds type includes herba bromi japonici, shepherd's purse, herba digitariae, acalypha copperleaf and barnyard grass.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109938034A (en) * | 2019-05-08 | 2019-06-28 | 河南省农业科学院植物保护研究所 | Herbicidal composition, preparation method and application |
| CN111685122A (en) * | 2020-08-04 | 2020-09-22 | 陕西上格之路生物科学有限公司 | Tertiary weeding composition containing terbuthylazine |
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| CN103734148A (en) * | 2013-12-26 | 2014-04-23 | 山东康乔生物科技有限公司 | Weeding composition containing pyroxasulfone |
| CN107821406A (en) * | 2017-11-28 | 2018-03-23 | 联保作物科技有限公司 | A kind of Herbicidal combinations, application and its pharmaceutical preparation |
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| CN101141882A (en) * | 2005-03-18 | 2008-03-12 | 先正达参股股份有限公司 | Herbicidal composition |
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Application publication date: 20190409 |