CN102342286B - Weeding composition - Google Patents
Weeding composition Download PDFInfo
- Publication number
- CN102342286B CN102342286B CN201110366832.1A CN201110366832A CN102342286B CN 102342286 B CN102342286 B CN 102342286B CN 201110366832 A CN201110366832 A CN 201110366832A CN 102342286 B CN102342286 B CN 102342286B
- Authority
- CN
- China
- Prior art keywords
- penoxsuam
- pendimethalin
- trefanocide
- herbicidal combinations
- composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a weeding composition, relating to the technical field of plant protection compositions, which can be used for resisting harmful plants, such as harmful plants in crop plants, and contains compositions of pendimethalin or trifluralin and penoxsulam as active ingredients. The weeding composition is characterized by containing the active ingredients, namely pendimethalin or trifluralin and penoxsulam. The weight ratio of the pendimethalin to the penoxsulam is 100:1 to 1:100. The weight ratio of the trifluralin to the penoxsulam is 100:1 to 1:100. The mass percentage content of the pendimethalin and the penoxsulam in the composition is 2-80%, preferably 5-60%. The mass percentage content of the trifluralin and the penoxsulam in the composition is 2-80%, preferably 5-60%. The weeding composition is used for preventing and curing weeds in useful crops and weeds in cotton fields.
Description
Technical field
Herbicidal combinations of the present invention relates to plant protection composition technical field, and described plant protection composition can be used for resisting noxious plant, for example the noxious plant in crop plants.It composition that comprises Pendimethalin or trefanocide and penoxsuam is as active substance.
Background technology
Cotton is the main economic crops of China, and effectively controlling weed in cotton field is one of important measures that improve output of cotton and quality.The weeds in cotton field are of a great variety, win honour for, strive fertilizer, strive water with crop, also can bursting mulch film, and be the key factor that causes crop yield loss.
Pendimethalin, belongs to dinitroaniline herbicide.Pendimethalin is the selective herbicide that plays cell division inhibitor effect by suppressing microtubule set.Pendimethalin is a kind of outstanding dry crop selective herbicide, can be widely used in the various crop field weedings such as corn, soybean, peanut, cotton, direct-seeding dry rice, potato, tobacco, vegetables.Pendimethalin is used for preventing and kill off annual gramineous weed, part broad leaved weed and nutgrass flatsedge.Pendimethalin is better than broad leaved weed to the preventive effect of grassy weed, to perennial weed weak effect.The chemical name of Pendimethalin is N-(1-ethyl propyl)-3,4-dimethyl-2,6-dinitroaniline, and its structure can be expressed as:
Trefanocide, belongs to dinitroaniline herbicide.Trefanocide is processing soil treatment agent before selectivity bud, mainly absorbs by coleoptile and the plumular axis of weeds.Invalid to the weeds of being unearthed.Broad leaved weed to grass family and part small-sized seed is effective, and the lasting period is long.Trefanocide is applicable to cotton, soybean, rape, peanut, potato, winter wheat, barley, sunflower, carrot, sugarcane, tomato, eggplant, capsicum, cabbage, cauliflower, celery and orchard, mulberry field, the crop such as melon, for preventing and kill off annual gramineae and the broad-leaved section weeds such as barnyard grass, lady's-grass, eleusine indica, moleplant seed, eragrostis cilianensisLink, amaranth, lamb's-quarters, kitchen garden, chickweed.The chemical name of trefanocide is: 2,6-dinitro-N, N-diη-propyl-4-5-trifluoromethylaniline.And its structure can be expressed as:
Penoxsuam is translocated herbicide, and through cauline leaf, young shoot and Root Absorption, amine can be adsorbed rapidly by soil.Conduct to meristematic tissue by xylem and phloem, suppress plant strain growth, make growing point chlorosis, after processing, 7-14d terminal bud reddens, necrosis, 2-4 week plant death; This agent is strong inhibitor of acetolactate synthetase, and medicament presents slower, needs certain hour weeds just dead gradually.Penoxsuam is rice field broad-spectrum herbicide, can effectively prevent and kill off barnyard grass, moleplant seed and annual sedge weed, and effective to numerous broad leaved weeds, different stamen flower as raw in natural pond, carp intestines, sesbania, ring flower, Monochoria vaginalis etc.The chemical name of penoxsuam is 2-(2,2-difluoro ethoxy)-N-(5,8-dimethoxy (1,2,4) triazole-(1,5-C) pyrimidine-2-base)-6-trifluoromethyl-benzene sulfanilamide (SN).And its structure can be expressed as:
The weed killer herbicide of cotton field application mostly is soil processing herbicide, mainly take Pendimethalin, trefanocide, Acetochlor as main, along with the long-time continuous application of the weed killer herbicides such as Pendimethalin, the weeds increasing year by year that it is developed immunity to drugs, and due to the selectivity of the weed killer herbicides such as Pendimethalin to weeds, cause susceptible weeds quantity to decline, and the quantity such as insensitive weeds black nightshade, oak-leaved goosefeet, barnyard grass, acalypha copperleaf, Tong fiber crops rise, and cause that obvious variation has occurred weed community.
The object of this research is to solve current Cotton Soil to process weed killer herbicide single, and herbicidal effect declines, and the problem that increases the weight of year by year of herbicide resistance and shift of weed community.Therefore need to develop a kind of new cotton field weed killer herbicide, can improve herbicide effect, delay weeds and develop immunity to drugs.
A kind of method of possible improvement herbicide application characteristic can be that other materials of active substance and one or more are combined.But, for various active material is combined with, there is physics incompatible and biological incompatible appearance is much, for example mix preparation is unstable, reaction between active substance decomposition or active substance.
Summary of the invention
The present invention seeks to provides a kind of Herbicidal combinations for above-mentioned weak point, it is a kind of Herbicidal combinations for Cotton Fields, contain Pendimethalin or trefanocide and penoxsuam, for efficient, economic, the safe herbicidal composition of Cotton Fields controlling weeds.
The discovery that the present invention is surprised, the insensitive weeds black nightshade of the combination of Pendimethalin or trefanocide and penoxsuam to cotton field, oak-leaved goosefeet, barnyard grass, acalypha copperleaf, Tong fiber crops etc. have particularly advantageous action characteristic, can improve preventive effect, delaying drug resistance.
Herbicidal combinations of the present invention takes following technical scheme to realize:
A kind of Herbicidal combinations, contains active ingredient Pendimethalin or trefanocide and penoxsuam, and wherein the weight ratio of Pendimethalin or trefanocide and penoxsuam is 1:100 to 100:1, preferably 1:50 to 50:1, more preferably 1:20 to 20:1.
In described Herbicidal combinations, the quality percentage composition that Pendimethalin or trefanocide and penoxsuam account in Herbicidal combinations is 2%-80%, preferably 5%-60%.
Described Herbicidal combinations formulation is wetting powder, water dispersible granules, coated granule, suspending agent, aqueous emulsion, microcapsule formulations, missible oil, granule.
Described Herbicidal combinations is for preventing and treating the weeds of useful crop.
Described Herbicidal combinations is for preventing and treating the weeds of Cotton Fields.
Described Herbicidal combinations is for preventing and treating the weeds such as black nightshade, oak-leaved goosefeet, barnyard grass, acalypha copperleaf, Tong fiber crops of Cotton Fields.
Specific embodiments
In agricultural management, weeds and other plant that cover crop antagonism suppresses plant growth are problems of constantly reappearing.The object of the invention is to solve current Cotton Soil inorganic agent single, herbicidal effect declines, and the problem that increases the weight of year by year of herbicide resistance and shift of weed community.Research complex preparation in cotton broadcast front or broadcast rear seedling before use, can prevent and kill off the weeds such as most of unifacial leaves and broadleaf weed, particularly black nightshade, oak-leaved goosefeet, barnyard grass, acalypha copperleaf, Tong fiber crops simultaneously.
The present invention seeks to provides a kind of Herbicidal combinations for above-mentioned cotton field Herbicid resistant problem.Herbicidal combinations of the present invention contains Pendimethalin or trefanocide and penoxsuam, its objective is in order to improve herbicidal effect, reduces herbicide resistance, particularly reduces the pesticide resistance of the weeds such as black nightshade, oak-leaved goosefeet, barnyard grass, acalypha copperleaf, Tong fiber crops.
A kind of Herbicidal combinations of the present invention, contain active ingredient Pendimethalin or trefanocide and penoxsuam, wherein the weight ratio of Pendimethalin or trefanocide and penoxsuam is 1:100 to 100:1, preferably 1:50 to 50:1, more preferably 1:20 to 20:1.
In described Herbicidal combinations, the quality percentage composition that Pendimethalin or trefanocide and penoxsuam account in Herbicidal combinations is 2%-80%, preferably 5%-60%.
In practice, composition of the present invention is as comprising known in industry or using for the different auxiliary agent of industry and the preparaton of carrier.Therefore composition of the present invention can be configured to granule (and, compatibly, as the particle of stabilisation, as described below), as granular water-dispersible agent, as missible oil, as powder or pulvis, as can flowable, as solution, as suspending agent or emulsion, or as controlled release forms as micro-capsule.These preparatons can comprise 0.5% to 95% or more active component.Depend on the character of preparaton, application equipment and plant to be controlled for the optimised quantity of any given compound.
Wetting powder be in water or other liquid in be easy to disperse finely divided particle.Described particle comprises the active component being retained in solid matrix.Typical solid matrix comprises carclazyte, kaolin, tripoli, and other organic or inoganic solids that are easy to soak.Wetting powder conventionally comprises approximately 5% and adds a small amount of wetting agent, dispersant or emulsifier to approximately 95% active component.
Missible oil be in water or other liquid in dispersible homogeneous liquid composition and can be completely by reactive compound and liquid or solid emulsifier or can also comprise liquid-carrier and form, described liquid-carrier is as water, dimethyl sulfoxide (DMSO), 1-METHYLPYRROLIDONE, ethylene glycol, polypropylene glycol, paraffin, aromatic hydrocarbons, aliphatic hydrocarbon, olive oil, castor oil, linseed oil, tung oil, sesame oil, corn oil, peanut oil, cottonseed oil, soybean oil, rapeseed oil and cupu oil, fatty acid ester, ketone is as cyclohexanone, 2-HEPTANONE, isophorone and 4-hydroxy-4-methyl-2-pentanone, with alcohols as methyl alcohol, cyclohexanol, decyl alcohol and oxolane alcohol.In use, these concentrates are dispersed in water or other liquid and usually used as spray application to pending region.The amount of active component can be at approximately 0.5% of concentrate to approximately 95% scope.
Particle assembling preparation comprises extrudate with relative thick particle and is conventionally applied to the region that need to suppress plant without dilution.Typical carrier for granular formulations comprises fertilizer, sand, bleaching earth, attapulgite clay, bentonite, imvite, vermiculite, perlite, calcium carbonate, brick, float stone, pyrophyllite, kaolin, dolomite, plaster, wood powder, levigate corncob, levigate peanut shell, sugar, sodium chloride, sodium sulphate, sodium silicate, Boratex, magnesia, mica, iron oxide, zinc oxide, titanium oxide, antimony oxide, ice crystal, gypsum, diatomite, the organic or inorganic material that calcium sulphate and other adsorption activity compounds maybe can apply with reactive compound.Particularly suitable is fertiliser granulates carrier.Graininess preparaton comprises approximately 5% to approximately 25% active component conventionally.Adhesive is as dextrin, glue or synthetic resin.Compatibly, described graininess preparaton can be the composition of stabilisation, and it comprises at least one granule shape matrix material and comprises at least one Pendimethalin or trefanocide and penoxsuam.Described granular base material can be one of above-mentioned typical carrier and/or can be for example urea/formaldehyde fertilizer, urea, potassium chloride, ammonium compounds, phosphorus compound, sulphur, similar nutrient for plants and trace element and other mixtures or composition of fertilizer.Pendimethalin or trefanocide and penoxsuam can spread all over equably granule or can after granule form, be soaked into or be adsorbed in particulate substrate by spraying.
Pulvis is active component and the free mobility mixture of thin loose solid, and described thin loose solid is as talcum, clay, and flour and other act as the organic and inoganic solids of dispersant and carrier.
Microcapsules is encapsulated in droplet or the particle of the active substance in inertia porous shell typically, and it allows entrapped material to be discharged in surrounding environment with in check speed.Droplet through sealing typically diameter is about 1 to 50 micron.Entrapped liquid typically form capsules weight approximately 50% to 95% and except reactive compound, can also comprise solvent.Micro-capsule granula normally has the porous particle of the perforated membrane in sealing particle aperture, and active component is retained in particle hole with liquid form.Granule typically diameter at 1 millimeter to 1 centimetre, preferably in the scope of 1 to 2 millimeter.Granule by extruding, reunion or air prilling formation or self-assembling formation.The example of such material is that vermiculite, sintered clay, kaolin, attapulgite clay, sawdust and graininess carbon, shell or membrane material comprise natural or synthetic rubber, fibrous material, SB, polyacrylonitrile, polyacrylate, chrysanthemum ester, polyamide, polyureas, polyurethane and starch xanthate.
Suspending agent can be made up of the moisture or non-aqueous suspension of the insoluble active ingredient solid particle segmenting.Suspending agent can be prepared by active ingredient and optional one or more dispersants in suitable medium by ball milling or pearl mill, produces a kind of fine grain compound suspending agent.In composition, can comprise one or more wetting agents, in order to reduce the speed of particles settling, also can comprise suspension reagent.In addition, active ingredient can be dry grinded, and is then added in the water that contains mentioned reagent, produces needed final products.
In preparation process for preparation, adding suitable surface active cpd is to have good emulsification, dispersion and wetting nonionic, cation and anion surfactant and surfactant mixture thereof.Conventional has: polyethoxy alcohol; polyethoxy alkylphenol, polyethoxy fatty acid esters of sorbitan, sulfonyl succinic acid dialkyl ester; alkyl sodium sulfate ester; alkylbenzenesulfonate, organosiloxane, N; N-dialkyl group taurate; lignosulfonates, naphthalenesulfonate formaldehyde condensation compound, polycarboxylate and polyoxyethylene/polyoxypropylene block copolymers.In preparation processing engineering, the conventional surfactant using is also applicable to prepare Herbicidal mixture of the present invention.If used, these reagent comprise 0.1% to 15% of preparaton weight conventionally.
In aqueous liquid preparation, also add accordingly appropriate thickener, for example xanthans, Magnesiumaluminumsilicate etc. in order to increase toughness.The concentration of thickener generally accounts for the 0.02-2% of preparation total amount.
In preparation of the present invention, can also add reduction water slurry, the material of aqueous emulsion fusing point, that is can prevent the material (antifreeze) that preparation freezes at low temperatures.The normally water-soluble salt of this class material, is suitable for reducing the water chill point of aqua in the present invention or emulsion, for example sodium chloride, potassium chloride, ammonium chloride, ammonium nitrate, sodium nitrate and their mixture.Water miscible glycol is also suitable, for example ethylene glycol, propane diols, diethylene glycol (DEG), glycerine and their mixture.The working concentration of this salt and glycol in each case, is the 0.5%-10% of complete aqueous compositions weight.
Although commercially available prod is formulated into concentrate, end user generally can use the preparation of dilution.Composition also can comprise other additives as for example vegetable oil of stabilizing agent or epoxidized vegetable oil (epoxidation cocoa butter, rapeseed oil or soya-bean oil), defoamer for example silicone oil, preservative, viscosity modifier, adhesive, tackifier, also has fertilizer or other active components.
Composition of the present invention can be controlled weeds important on a large amount of agronomy, comprise unifacial leaf and broadleaf weed, as knotgrass, setaria, Europe sinapsis alba genus, Solanum, barnyard grass, false jowar, Rottboellia exaltata genus, Cyperus, abutilon, chrysanthemum harvest spp, Xanthium, Amaranthus, sweet potato genus, Bedstraw, Viola and Veronica.The present composition is specially adapted to prevent and treat the weeds present compositions such as black nightshade in cotton field, oak-leaved goosefeet, barnyard grass, acalypha copperleaf, Tong fiber crops.The crop of useful plants will also be understood that to be to comprise obtaining the crop that weed killer herbicide or classes of herbicides is had to tolerance because of conventional breeding or gene engineering method.
Consumption can change on a large scale, depends on the crop that composition is used, by composition of the present invention by before seedling or postemergence application in the location of needs control, for controlling undesirable plant growth.Therefore, in one embodiment, composition of the present invention is used with preemergence application method.In further embodiment, Herbicidal combinations of the present invention is used with postemergence application method.
The amount of application of composition of the present invention depends on the particular type of weeds to be controlled, degree and time and the application process that needs are controlled.Conventionally, the amount of application that composition of the present invention can 0.001kg/ha to 5.0kg/ha is used, the total amount meter of the active component (Pendimethalin or trefanocide and penoxsuam) based in composition.The amount of application of about 0.001kg/ha to 3.0kg/ha is preferred, and the amount of application of about 0.01kg/ha to 1.0kg/ha is particularly preferred.Notice that the consumption using is in the following embodiments greenhouse consumption and lower than being conventionally applied to those of large Tanaka, because herbicidal effect is exaggerated under such condition.
Described compound of the present invention can while or sequential application.If in succession given, can any order within the applicable time interval, give described composition, for example giving the time of the first composition and giving to be no more than 24 hours within time of last a kind of composition.Compatibly, all components gave within the time period of several hours, as 1 hour.If give described composition simultaneously, can be respectively or as the mixed thing of bucket or as the preformulation mixture of all components or as giving with the preformulation mixture of mixed some composition of residual components bucket.In one embodiment, mixture of the present invention or composition can be that seed treatment is applied to crop at plantation previous crops.
These preparatons can be applied to the region that needs control by conventional method.The composition of pulvis and liquid, for example can be by using power agent, broom and manual sprayer and the injecting type agent of dusting of dusting to use.Described preparaton also can be by aircraft with pulvis or spraying or use by wire rope core dispenser method.In order to change or control the growth of the seed that just germinateing or unearthed seedling, pulvis and liquid preparation only can be applied to soil surface down to the depth profile of not a half inch at soil or by spraying or spraying with soil surface.Described preparation agents also can be used by adding in irrigation water.This allows described preparation agents to be penetrated in soil together with irrigation water.The dust composition, particulate composition or the liquid adjustments that are applied to soil surface can be by conventional methods as the farming of disk facility, and rake operation or married operation are distributed to below soil surface.
The present invention can be for wherein needing weeds control in any case.The present invention is particularly suitable for Selective Control weeds as the black nightshade in Cotton Fields, oak-leaved goosefeet, barnyard grass, acalypha copperleaf, Tong fiber crops.Apply or soak into fertiliser granulates on Pendimethalin or the mixture of trefanocide and penoxsuam be particularly advantageous.
The invention provides the Pendimethalin that comprises herbicidally effective amount and the combination of penoxsuam.Used herein belonging to, " weed killer herbicide " represented to control or change the compound of plant growth.Term " " expression can produce the amount of so a kind of compound or the combined amount of such compound that suppress or change effect to the growth of plant to herbicidally effective amount.Control or change effect and for example comprise, to all deviating from of growth naturally: be lethal, delay, burn leaf, albefaction, dwarfing etc.For example not killed plant normally short and follow that to bloom destroyed be noncompetitive.Belong to all physical pieces that " plant " refers to plant, comprise seed, seedling, treelet, root, stem tuber, stalk, leaf and fruit.
Following embodiment is the object for explaining only, and described embodiment is not intended to must represent and be not intended to limit by any way the present invention as the experiment of all enforcements.Those skilled in the art know, and in weeding experiment, a large amount of uppity factors can affect the result of single experiment and they can not be paid attention to.For example described result can depend on environmental factor and change the especially pH of the quantity of illumination and the water yield, soil types, soil, temperature and humidity.Also have the degree of depth of plantation, the amount of application of single and composite weedicide.Result can change within the scope of crop species between different crops.
Embodiment
Embodiment 1:11% Pendimethalin+penoxsuam oil-suspending agent
Pendimethalin 10%
Penoxsuam 1%
Methyl naphthalene sulfonate formaldehyde condensate 10%
Xanthans 1%
Bentonite 1%
Soybean oil complements to 100%
Each components such as active component, dispersant, wetting agent and water are mixed according to the ratio of formula, after grinding and/or high speed shear, obtain 11% Pendimethalin+penoxsuam oil-suspending agent.
Embodiment 2 22% Pendimethalins+penoxsuam wetting powder
Pendimethalin 2%
Penoxsuam 20%
Lauryl sodium sulfate 2%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
Active component, various auxiliary agent and filler etc. are mixed in the ratio composition of formula, after ultra-fine pulverizer disintegrating, obtain 22% Pendimethalin+penoxsuam wetting powder.
Embodiment 3 2% Pendimethalins+penoxsuam aqueous emulsion
Pendimethalin 1%
Penoxsuam 1%
1-METHYLPYRROLIDONE 15%
Calcium dodecyl benzene sulfonate 5%
Agriculture breast 600# 5%
Water complements to 100%
Former medicine, solvent, emulsifier are added together, make to be dissolved into even oil phase; Water-soluble component and water mixing are made to water; Under high-speed stirred, oil phase is mixed with water, make 2% Pendimethalin+penoxsuam aqueous emulsion.
Embodiment 4 60% Pendimethalins+penoxsuam water dispersible granules
Pendimethalin 40%
Penoxsuam 20%
Sodium lignin sulfonate 4%
Lauryl sodium sulfate 5%
Urea 5%
Kaolin complements to 100%
Active component, dispersant, wetting agent, disintegrant and filler are mixed in the ratio of formula, become wetting powder through air-flow crushing, then add a certain amount of water mixing extruding to make material.After drying screening, obtain 60% Pendimethalin+penoxsuam water dispersible granules.
Embodiment 5 51% trefanocide+penoxsuam suspending agent
Trefanocide 50%
Penoxsuam 1%
Methyl naphthalene sulfonate formaldehyde condensate 10%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
Each components such as active component, dispersant, wetting agent and water are mixed in the ratio of formula, after grinding and/or high speed shear, obtain 51% trefanocide+penoxsuam suspending agent.
Embodiment 6 51% Pendimethalins+penoxsuam suspending agent
Pendimethalin 1%
Penoxsuam 50%
Methyl naphthalene sulfonate formaldehyde condensate 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
Each components such as active component, dispersant, wetting agent and water are mixed in the ratio of formula, after grinding and/or high speed shear, obtain 51% Pendimethalin+penoxsuam suspending agent.
Embodiment 7 30.3% Pendimethalins+penoxsuam wetting powder
Pendimethalin 30%
Penoxsuam 0.3%
Lauryl sodium sulfate 10%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
Said components is mixed in proportion, and grind, pulverize, be prepared into wetting powder.
Embodiment 8 10.1% trefanocide+penoxsuam missible oil
Trefanocide 0.1%
Penoxsuam 10%
Dimethyl sulfoxide (DMSO) 10%
Ethoxylated nonylphenol 6%
Calcium dodecyl benzene sulfonate 4%
Solvesso200 complements to 100%
Former medicine after complete solvent, is added to surfactant in solvent, and through stirring and obtaining missible oil.
Embodiment 9 80% Pendimethalins+penoxsuam wetting powder
Pendimethalin 60%
Penoxsuam 20%
Lauryl sodium sulfate 3%
Sodium lignin sulfonate 3%
White carbon 5%
Kaolin complements to 100%
Said components is mixed in proportion, and grind, pulverize, be prepared into wetting powder.
Embodiment 10 45% Pendimethalins+penoxsuam aqueous emulsion
Oil phase:
Pendimethalin 30%
Penoxsuam 15%
Methyl oleate 38%
Polystyrene 3.7%
Water:
Xanthans 0.07%
The sodium salt 1% of the naphthalene sulfonic acids-formaldehyde condensation products of sulfonation
Bactericide 0.2%
Water complements to 100%
Pendimethalin and penoxsuam are dissolved in methyl oleate, add polystyrene to obtain oil phase; Mix and obtain water according to the component in formula; Under agitation add water to obtain aqueous emulsion oil phase.
Embodiment 11 21% Pendimethalins+penoxsuam wetting powder
Pendimethalin 20%
Penoxsuam 1%
Sodium lignin sulfonate 4%
NaLS 2%
The silicic acid 1% of high degree of dispersion
Kaolin complements to 100%
Said components is mixed in proportion, and grind, pulverize, be prepared into wetting powder.
Embodiment 12 21% Pendimethalins+penoxsuam coated granule
Pendimethalin 1%
Penoxsuam 20%
Polyethylene glycol 3%
The silicic acid 1% of high degree of dispersion
Calcium carbonate complements to 100%
In blender, levigate active component is evenly applied on the carrier being soaked by polyethylene glycol.Can obtain in this way dustless coated granule.
Embodiment 13 45% trefanocide+penoxsuams are extruded granule
Trefanocide 20%
Penoxsuam 25%
Sodium lignin sulfonate 4%
Carboxymethyl cellulose 2%
Kaolin complements to 100%
Active component is mixed with auxiliary agent and grind, mixture water-wet.This mixture is extruded, then dry in air stream.
Embodiment 14 32% trefanocide+penoxsuam suspending agent
Trefanocide 30%
Penoxsuam 2%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Soybean oil complements to 100%
Above-mentioned each component is mixed in proportion, and through sand milling, be prepared into suspending agent.
Embodiment 15 35% Pendimethalins+penoxsuam ZC
Atlox 4913 4%
Citric acid 0.05%
Catalyzer 0.1%
Water 13%
Pendimethalin 30%
PAPI 1.35%
Solvesso 200 10%
Atlox4913 16%
Dispersant LFH 0.3%
Defoamer 0.16%
Urea 8.4%
Penoxsuam 5%
Water complements to 100%
By PAPI, the oil phase that Pendimethalin and Solvesso 100 form adds in the aqueous solution containing Atlox4913, forms emulsion.Then heat and be incubated and under 50oC, add catalyst reaction 2 hours.After cooling, obtain the microcapsules of Pendimethalin.
Atlox 4913, dispersant LFH, defoamer, urea, penoxsuam and water mix in proportion, and through sand milling, are prepared into suspending agent.
The microcapsules of the Pendimethalin obtaining is added in the aqueous suspension agent of penoxsuam, stir and obtain 30% Pendimethalin+5% penoxsuam ZC.
Embodiment 16 25% Pendimethalins+penoxsuam SE
Pendimethalin 10%
Penoxsuam 15%
Solvesso 200 30%
Ethoxylated castor oil 4%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Soybean oil complements to 100%
Pendimethalin is dissolved in Solvesso 200, adds ethoxylated castor oil, obtain the missible oil of Pendimethalin;
By penoxsuam, fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium, above-mentioned each component mixes in proportion, and through sand milling, is prepared into suspending agent.
Oil phase containing Pendimethalin is joined in the suspending agent containing penoxsuam, obtain suspended emulsion.
Embodiment 17 43% trefanocide+penoxsuam ZC
Atlox 4913 4%
Citric acid 0.05%
Catalyzer 0.1%
Water 13%
Trefanocide 33%
PAPI 1.35%
Solvesso 200 10%
Atlox4913 16%
Dispersant LFH 0.3%
Defoamer 0.16%
Urea 8.4%
Penoxsuam 10%
Water complements to 100%
By PAPI, the oil phase that trefanocide and Solvesso 100 form adds in the aqueous solution containing Atlox4913, forms emulsion.Then heat and be incubated and under 50oC, add catalyst reaction 2 hours.After cooling, obtain the microcapsules of trefanocide.
Atlox 4913, dispersant LFH, defoamer, urea, penoxsuam and water mix in proportion, and through sand milling, are prepared into suspending agent.
The microcapsules of the trefanocide obtaining is added in the aqueous suspension agent of penoxsuam, stir and obtain 33% trefanocide+10% penoxsuam ZC.
Embodiment 18 25% trefanocide+penoxsuam SE
Trefanocide 10%
Penoxsuam 15%
Solvesso 200 30%
Ethoxylated castor oil 4%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
Trefanocide is dissolved in Solvesso 200, adds ethoxylated castor oil, obtain the missible oil of trefanocide;
By penoxsuam, fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium, above-mentioned each component mixes in proportion, and through sand milling, is prepared into suspending agent.
Oil phase containing trefanocide is joined in the suspending agent containing penoxsuam, obtain suspended emulsion.
field examination
the pre-treatment of greenhouse pot culture Fa – bud
Experiment is the sandy loam of preparation with soil, and activity of weeding experiment is 9.5cm with basin alms bowl diameter.
Before greenhouse pot culture method is carried out bud, experiment is processed.Carrying out one day after soil surface spraying in sowing processes, the liquid of processing is preparation and the single dose 33% pendimethalin missible oil (Jiangsu Feng Shan group) of embodiment 1-18,480g/L trifluralin ec (Jiangsu Feng Shan group), 25g/L penoxsuam oil-suspending agent (above Haitai standing grain group). thin up is the dosage needing.
The basin alms bowl of processing left standstill after 1 day, put into greenhouse, regularly water, and the activity of weeding of each repetition of ocular estimate observed and recorded compound after 14-21 days.
With the activity of weeding of hazard of plant symptom (inhibition, deformity, yellow, albefaction) performance degree range estimation compound, 0 expression there is no herbicidal effect or to crop safety, 100% represents to kill completely weeds or crop.Activity of weeding and crop safety ocular estimate evaluation criterion are in table 1, and the biological activity determination experiment target of selection is in table 2.
Table 1 activity of weeding and crop safety ocular estimate evaluation criterion
The weeds kind of table 2 biological activity determination experiment use
Greenhouse pot culture experimental result is in table 3
Experiment is treated to:
Embodiment 1-18,50ml/ ha
1: 33% pendimethalin missible oil of single dose, 100ml/ ha
Single dose 2: 480g/L trifluralin ec 100ml/ ha
Single dose 3:25g/L penoxsuam oil-suspending agent 100ml/ ha
Blank: CK
Experimental result shows: the Herbicidal combinations containing Pendimethalin or trefanocide and penoxsuam according to the present invention shows more than 90% preventive effect to supplying to try weeds under 50ml/ ha dosage, single dose with Pendimethalin, the single dose of trefanocide, the single dose of penoxsuam is compared, and shows the high activity of weeding to specific weeds.And said composition can optionally be controlled weeds object under recommended dose, simultaneously to target crop safety.
Herbicidal result before the bud of table 3 composition and single dose
the post processing of carry out-seedling of greenhouse pot culture method
After greenhouse pot culture method is carried out seedling, experiment is processed.After emerging, the cauline leaf of careful processing weeds seedling, the liquid of processing is preparation and the single dose 33% pendimethalin missible oil (Jiangsu Feng Shan group) of embodiment 1-18,480g/L trifluralin ec (Jiangsu Feng Shan group), 25g/L penoxsuam oil-suspending agent (above Haitai standing grain group). thin up is the dosage needing.
Activity of weeding and crop safety ocular estimate evaluation criterion are in table 1, and the biological activity determination experiment target of selection is in table 2.
Greenhouse pot culture experimental result is in table 4
Experiment is treated to:
Embodiment 1-18,50ml/ ha
1: 33% pendimethalin missible oil 100ml/ ha of single dose
Single dose 2: 480g/L trifluralin ec 100ml/ ha
Single dose 3:25g/L penoxsuam oil-suspending agent 100ml/ ha
Blank: CK
Experimental result shows: the Herbicidal combinations that contains the happy spirit of two the Sino-Japanese Wars or trefanocide and penoxsuam according to the present invention shows more than 85% preventive effect to supplying to try weeds under 50ml/ ha dosage, single dose with Pendimethalin, the single dose of trefanocide, the single dose of penoxsuam is compared, and shows the high activity of weeding to specific weeds.And said composition can optionally be controlled weeds object under recommended dose, simultaneously to target crop safety.
Herbicidal result after the bud of table 4 composition and single dose
Claims (11)
1. a Herbicidal combinations, is characterized in that: contain active ingredient Pendimethalin or trefanocide and penoxsuam; The weight proportion of described Pendimethalin and penoxsuam is 100:1 to 1:100; The weight proportion of described trefanocide and penoxsuam is 100:1 to 1:100.
2. Herbicidal combinations according to claim 1, is characterized in that: the weight proportion of described Pendimethalin and penoxsuam is 50:1 to 1:50.
3. Herbicidal combinations according to claim 1, is characterized in that: the weight proportion of described Pendimethalin and penoxsuam is 20:1 to 1:20.
4. Herbicidal combinations according to claim 1, is characterized in that: the weight proportion of described trefanocide and penoxsuam is 50:1 to 1:50.
5. Herbicidal combinations according to claim 1, is characterized in that: the weight proportion of described trefanocide and penoxsuam is 20:1 to 1:20.
6. according to the Herbicidal combinations of claim 1, the quality percentage composition that described Pendimethalin or trefanocide and penoxsuam account in composition is 2-80%.
7. according to the Herbicidal combinations of claim 6, the quality percentage composition that described Pendimethalin or trefanocide and penoxsuam account in composition is 5-60%.
8. Herbicidal combinations according to claim 1, is characterized in that: described combination dosage form is water dispersible granules, missible oil, wetting powder, suspending agent, coated granule, extrudes granule, microcapsules, suspending agent, aqueous emulsion.
9. Herbicidal combinations according to claim 1 is for preventing and treating the weeds of useful crop.
10. Herbicidal combinations according to claim 1 is for preventing and treating the weeds of Cotton Fields.
11. according to the Herbicidal combinations described in right 1 for preventing and treating black nightshade, oak-leaved goosefeet, barnyard grass, acalypha copperleaf, the Tong fiber crops weeds of Cotton Fields.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110366832.1A CN102342286B (en) | 2011-11-18 | 2011-11-18 | Weeding composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110366832.1A CN102342286B (en) | 2011-11-18 | 2011-11-18 | Weeding composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102342286A CN102342286A (en) | 2012-02-08 |
| CN102342286B true CN102342286B (en) | 2014-06-11 |
Family
ID=45541665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110366832.1A Active CN102342286B (en) | 2011-11-18 | 2011-11-18 | Weeding composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102342286B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017125786A1 (en) * | 2016-01-21 | 2017-07-27 | Upl Limited | An improved herbicidal formulation |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2013015321A (en) * | 2011-06-24 | 2014-02-17 | Dow Agrosciences Llc | Synergistic herbicidal composition containing penoxsulam and pendimethalin. |
| CN103058766A (en) * | 2012-12-29 | 2013-04-24 | 广东中迅农科股份有限公司 | Weeding fertilizer granules of penoxsulam and preparation method thereof |
| CN105875618B (en) * | 2016-04-19 | 2018-03-02 | 泰安市农业科学研究院 | A kind of Synergistic herbicide compositions of humulone containing polybenzobisoxazole and dinitroanilines |
| CN110612980A (en) * | 2019-09-27 | 2019-12-27 | 吉林省白城市农业科学院(吉林省向日葵研究所) | Method for preventing and controlling field weeds of castor-oil plants |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128115A (en) * | 2005-02-11 | 2008-02-20 | 美国陶氏益农公司 | Penoxsulam as a turfgrass, vineyard and orchard floor herbicide |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001233718A (en) * | 2000-02-22 | 2001-08-28 | Dow Chem Japan Ltd | Herbicide composition |
-
2011
- 2011-11-18 CN CN201110366832.1A patent/CN102342286B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128115A (en) * | 2005-02-11 | 2008-02-20 | 美国陶氏益农公司 | Penoxsulam as a turfgrass, vineyard and orchard floor herbicide |
Non-Patent Citations (4)
| Title |
|---|
| 25g/L五氟磺草胺OF防除直播水稻田杂草的效果及安全性;颜春妹 等;《上海农业科技》;20110205;第115-116页 * |
| 五氟磺草胺防除水直播稻田杂草的效果;唐为爱 等;《杂草科学》;20051225(第4期);第34-36页 * |
| 唐为爱 等.五氟磺草胺防除水直播稻田杂草的效果.《杂草科学》.2005,(第4期),第34-36页. |
| 颜春妹 等.25g/L五氟磺草胺OF防除直播水稻田杂草的效果及安全性.《上海农业科技》.2011,第115-116页. |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017125786A1 (en) * | 2016-01-21 | 2017-07-27 | Upl Limited | An improved herbicidal formulation |
| EP3405031A4 (en) * | 2016-01-21 | 2019-07-10 | UPL Limited | An improved herbicidal formulation |
| EP4046490A1 (en) * | 2016-01-21 | 2022-08-24 | UPL Limited | An improved herbicidal formulation |
| KR102495604B1 (en) * | 2016-01-21 | 2023-02-03 | 유피엘 리미티드 | Improved Herbicide Formulation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102342286A (en) | 2012-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102342281A (en) | Weeding composition | |
| CN102665408B (en) | Plant growth regulation | |
| CN104135862B (en) | Plant growth regulating | |
| CN101647450A (en) | Herbicide compound containing penoxsulam | |
| CN103271066B (en) | Herbicidal composition | |
| CN102665409A (en) | Plant growth regulation | |
| TW200819048A (en) | Herbicidal composition and method of use thereof | |
| CN103271059B (en) | Weeding composition | |
| CN102342286B (en) | Weeding composition | |
| CN103271067B (en) | Herbicidal composition | |
| CN101801184B (en) | Herbicidal compositions | |
| WO2017166565A1 (en) | Synergistic plant growth regulator composition | |
| CN102763658A (en) | Safety herbicide for corn field | |
| CN103271064A (en) | Weeding composition | |
| CN103271065B (en) | Weeding composition | |
| WO2010119791A1 (en) | Granular fertilizer containing herbicidal agrochemical | |
| CN101801183B (en) | Herbicidal composition and method of use thereof | |
| CN101790307A (en) | Herbicidal composition and method of use thereof | |
| WO2017166564A1 (en) | Plant growth regulator composition | |
| CN103271063B (en) | Weeding composition | |
| CN101511178B (en) | Herbicidal composition and method of use thereof | |
| CN108308184A (en) | A kind of Herbicidal composition for paddy fields | |
| CN102258044A (en) | Defoliating agent | |
| CN102258024B (en) | Herbicide composition | |
| CN105707087B (en) | A kind of Synergistic herbicide compositions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |