CN103202309B - Compound herbicide composition - Google Patents
Compound herbicide composition Download PDFInfo
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- CN103202309B CN103202309B CN201310156037.9A CN201310156037A CN103202309B CN 103202309 B CN103202309 B CN 103202309B CN 201310156037 A CN201310156037 A CN 201310156037A CN 103202309 B CN103202309 B CN 103202309B
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Abstract
The invention relates to a compound herbicide composition and in particular relates to a novel compound herbicide composition which is obtained by carrying out ternary compounding on penoxsulam, carfentrazone-ethyl and bensulfuron and is applied in the rice, wheat and corn fields. The compound herbicide composition is prepared from a first active ingredient, a second active ingredient and a third active ingredient, wherein the first active ingredient is penoxsulam; the second active ingredient is carfentrazone-ethyl; the third active ingredient is bensulfuron; and the weight percent ratio of the three active ingredients is (0.1-20):(0.1-20):(0.1-20). The compound herbicide composition has the beneficial effects that the penoxsulam, carfentrazone-ethyl and bensulfuron are subjected to ternary compounding, so that the obtained new composition has a gain effect on control of weeds in the rice fields and also can reduce the overall use cost and expand the weed control spectrum.
Description
Technical field
The present invention relates to a kind of novel built Herbicidal combinations, particularly relate to a kind of by penoxsuam, azoles humulone and bensulfuron-methyl are carried out ternary built, be applied to paddy rice, novel built Herbicidal combinations between wheat, corn field.
Background technology
Paddy rice is one of world's staple food crop, and nearly half population, comprises the population in almost whole East Asia and Southeast Asia in the world, is all food with rice, produces throughout each continent except the South Pole.Eighties of last century late period, View of World Rice annual production average out to about 4,000 hundred million kilograms, cultivated area about 1.45 hundred million hectares.Also be most important cereal crops in China paddy rice.China's rice growing face accounts for 1/4 of national cereal crops, and every year about more than 3,500 ten thousand hectares, output then accounts for over half.No matter cultivated area and output, all ranks first in China cereal crops.
The paddy field with water direct seeding or direct-sowing dry is economized in the rice field, particularly Zhejiang, Jiangxi, Jiangsu, Anhui etc. of all rice workspaces of China, all has a large amount of weeds to occur; Paddy rice all has plantation all over China, and weeds in paddy field is of a great variety, and rice district, various places weeds kind is different.According to statistics, the weeds that national rice field can form harm have more than 200 to plant, wherein the most common, occur general, endanger and serious have more than 40 to plant.According to investigations, crop smothering area of (2 ~ 5 grades) crop smothering more than medium in national rice field reaches 1546.7 ten thousand hm
2, account for more than 46% of total cultivated area, (4 ~ 5 grades) area of wherein seriously causing harm is 3,800,000 hm
2, account for more than 11.5% of Monitoring of Paddy Rice Plant Area.Maximum with harm with barnyard grass occurring area in these weeds, also have the hazard area pole orders of severity such as difformed galingale herb, Monochoria vaginalis, flat stalk Fischer grass, moleplant seed, pondweed, Monochoria korsakowii to take second place, what various places were common also has water silk floss, duckweed, Chinese scholartree leaf duckweed, little najas marina, short arrowhead, eel grass, bent grass, Herba Cyperi Glomerati, firefly Lin, water pepper, alternanthera philoxeroides, water three-coloured amaranth, hornwort, Eclipta prostrata, Sculellaria barbata etc.
Along with the development of agricultural cience and farming techniques and the enforcement of mechanization, live field (water direct seeding and direct-sowing dry) reduces planting patterns that the is artificial and amount of lightening one's labor, but more rely on the chemical weed control in later stage; The simultaneously propagation and employment of chemical herbicide, as saving of labor, save time, enforcement that one of the strong well stimulation that reduces costs supports new mode of heavily planting.
With weed killer herbicide after the seedling that penoxsuam system is developed by Tao Nongke company of the U.S. (Dow AgroSciences), it works by suppressing acetolactate synthestase (ALS).On September 24th, 2004, in the registration of U.S. EPA official register, applies in southern US rice district, within 2008, registers in China for 2005.This medicament very effectively can be prevented and kill off barnyard grass and (comprise Stam F-34, the barnyard grass of dichloro quinolinic acid and anti-acetyl coenzyme A carboxylase tool resistance), moleplant seed and annual sedge weed, simultaneously, it also can prevent and kill off anti-sulfonylurea weeds in paddy field, and to many broad-leaveds and sedge weed and barnyard grass etc., there is residual activity, for the kind that herbicide spectrum in current paddy field weed killer herbicide is the widest, but use cost is high, limit its spread to use, therefore by penoxsuam and other kind combinations of herbicides composite, improve drug effect, expand control of weeds spectrum, reduce usage amount, expanding using of this medicament is current urgent problem.
The English common name penoxsulam of penoxsuam, chemical name 2-(2,2-difluoro ethoxy)-N-(5,8-dimethoxy (1,2,4) triazole-(1,5-C) pyrimidine-2-base)-6-trifluoromethyl-benzene sulfanilamide (SN).Structural formula is:
Penoxsuam is a kind of triazolopyrimidine sulfonamide weed killer herbicide, and by suppressing acetolactate synthase to work, medicine, via grass cutting blade, sheath portion or root absorption, conducts to meristematic tissue, causes weed growth to stop, yellow, then dead.For preventing and kill off paddy field annual weed, to barnyard grass special efficacy, but to the anti-heterodyne of part grassy weed, nutgrass flatsedge and broad leaved weed.The action target of this medicament is acetolactate synthestase (ALS), according to the hodgepodge of the anti-sulfonylurea herbicide of reported literature to the cross resistance level of triazolopyrimidine sulfonamides herbicide significantly lower than to other sulfonylurea medicaments, and the activity of weeding of penoxsuam and other ALS inhibitor have obvious difference.Therefore penoxsuam is the comparatively ideal weed killer herbicide of water prevention weeds in paddy field.。Penoxsuam effectively can prevent and kill off barnyard grass (comprising the barnyard grass to Stam F-34, dichloro quinolinic acid and anti-acetyl coenzyme A carboxylase tool resistance) rice barnyard grass, angustifolia arrowhead herb, sesbania and annual sedge weed in defense sector; For producing the improvement of resistant weed in alternative paddy field to sulfonylurea.
In actual use, penoxsuam weeding has broad spectrum activity, and to the barnyard grass of rice field, a thousand pieces of gold of low age and annual nutgrass flatsedge, and anti-sulfonylurea broad leaved weed is all effective, to barnyard grass special efficacy, but not satisfactory to part grassy weed, broad leaved weed, nutgrass flatsedge preventive effect.In addition, penoxsuam has used nearly 10 years in South Rice Region of China, by initial consumption (active ingredient) 15g/hm
2be increased to present 37.5g/hm
2.Although temporarily have no about the document of weeds to penoxsuam resistance, in actual production, consumption has improved 2-2.5 doubly, and the coming years, consumption will improve again, and concern resistance weed is very important problem.Be used alone penoxsuam cost higher, its herbicide spectrum is not very wide, can not reach the effect of once preventing and kill off multiple weeds.
Azoles humulone, Chinese name is named again good fortune agriculture, to go out spirit, triazolone grass ester, carfentrazone soon, and it is the triazolineone weed killer herbicide developed by rich U.S. real (FMC) company of the U.S..Its chemical name is: the chloro-5-of the chloro-3-{2-of ethyl-2-[4-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxygen-1H-1,2,4-triazol-1-yl]-4-fluorophenyl } ethyl propionate, its structural formula is:
Azoles humulone is a kind of contact killing type selective herbicide, under the condition having light, in chlcrophyll biosynthesis process, by the accumulation suppressing proporphyrinogen oxidase to cause poisonous intermediate, thus destroys the cell membrane of weeds, makes blade withered, dead rapidly.Namely carfentrazoneethyl is absorbed by plant leaf blade in 15 minutes after spray medicine, and it is not drenched with rain affects, and after 3-4 hours, weeds just occur poisoning symptom, and 2-4 days dead.The feature of azoles humulone is that herbicide speed is fast, little by low temperature effect, medication chance is wide, because azoles humulone has good low temperature resistant and resistance of rainwater washing against effect, can medication when temperature drops to very low before the winter, also can get the jump on the timely medication in rainy day gap frequently spring in rainfall, and fool proof to succession crop, be the fine herbicide that wheatland is eliminated spring.
Being mainly used in of azoles humulone prevent and kill off broad leaved weed and nutgrass flatsedge as clearvers, white dead nettle, Veronica, piemarker, Armstrong, lamb's-quarters, red heart lamb's-quarters, blank pipe lead a cow, weasel hemp nettle, pale persicaria, willow leaf thorn knotweed, volume stem knotweed, Amaranthus retroflexus, acalypha copperleaf, precious leaf mustard, corn sow thistle, white dead nettle, fruitlet flax, summer cypress, black nightshade, the weeds such as sinapsis alba.Especially have excellent imitation to clearvers, piemarker, red heart lamb's-quarters, shepherd's purse, wartwort, corn gromwell, the blank pipe weeds such as to lead a cow, the weeds etc. sulfonylurea herbicide being produced to resistance have good activity.
Bensulfuron-methyl (Bensulfuron), Chinese name is named again Nongdeshi or rice without grass, and chemical name is 2-{ ((4,6-dimethoxypyridin-2-base) amino carbonyl nitrogen base] sulfonvlmethvl) methyl benzoate, and its structural formula is:
Bensulfuron-methyl is selectivity inner-adsorption conduction-type herbicide.Active ingredient can spread rapidly in water, transfers to each portion of weeds, the biosynthesis of hindered aminoacid, lysine, isoleucine, stop division and the growth of cell for weeds root and blade absorb.Susceptible weeds GF is obstructed, and tender tissue turns to be yellow too early and suppresses the growth of leaf portion, hinders root growth and downright bad.It is harmless inert chemi-cal thing that active ingredient enters rapid metabolization in paddy rice body, to rice safety.Using method is flexible, and available pesticide-clay mixture, poison are husky, spraying, sprinkle methods such as watering.In soil, mobility is little, and temperature, soil property are little on the impact of its herbicidal effect.Main controlling object has convexutricle sedge herb, Monochoria korsakowii, angustifolia arrowhead herb, arrowhead, short arrowhead, rhizoma alismatis, pondweed, mexicana, alisma canaliculatum, Procumbent Falsepimpernel, miliary fimbristylis herb, flat stalk Fischer grass, needle spikesedge herb, flower Lin, firefly Lin, difformed galingale herb, Herba Cyperi Glomerati, cyperus iria, little najas marina, Tian Yeping, najas marina, water starwort, three calyx waterworts etc.Bensulfuron-methyl has special efficacy to malignant weeds such as convexutricle sedge herb, angustifolia arrowhead herb, pondweeds, barnyard grass is only had to inhibitory action especially, but the field heavier to the convexutricle sedge herb extent of injury needs twice medication, and poor to larger convexutricle sedge herb, preventive effect, and drug cost is high.
CN200910181775 discloses the Herbicidal composition for rice field of penoxsuam and bensulfuron-methyl.Practical application finds, penoxsuam and bensulfuron-methyl show as not high shakiness for the preventive effect of some malignant weeds of paddy field.Especially to convexutricle sedge herb, angustifolia arrowhead herb, pondweed, above the average age for marriage barnyard grass etc.
Summary of the invention
The present invention seeks to provide a kind of complex herbicidal composition for above-mentioned weak point, said composition, by penoxsuam, azoles humulone and bensulfuron-methyl are carried out ternary built, makes obtained new compositions between rice field, corn field, the control of wheat weeds in field achieves gain effect.
Being undertaken in the Bioexperiment in greenhouse by various weed killer herbicide active ingredient, the new combination of wonderful discovery penoxsuam, azoles humulone and bensulfuron-methyl has synergistic effect.This new combination in use shows good broad spectrum weeding function, and has good ability to bear to paddy rice, corn.In herbicide spectrum and action intensity, this new Herbicidal combination has exceeded the combination of known weed killer herbicide and weed killer herbicide, and usage amount is few.
This new Herbicidal combination also has lasting period long advantage, drug effect sustainable several weeks.So again dispenser the weeds newly sprouting need not be prevented and kill off.Because a dispenser can solve the growth of competitive weeds, so second weeding operation can be saved.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of complex herbicidal composition, comprises
First active component: penoxsuam,
Second active component: azoles humulone,
3rd active component: bensulfuron-methyl,
Above-mentioned three kinds of active components ratio range is by weight percentage 0.1 ~ 20:0.1 ~ 20:0.1 ~ 20.
As a further improvement on the present invention, described three kinds of active components ratio range is by weight percentage 1 ~ 10:1 ~ 10:1 ~ 10, preferably 1 ~ 5:1 ~ 5:1 ~ 5.
State novel built Herbicidal combinations and can be mixed with any formulation agriculturally allowed.Preferred liquor, wetting powder, missible oil, suspending agent, oil-suspending agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, ZC, ultra low volume liquids.
The present invention also provides a kind of novel built Herbicidal combinations, and the active compound comprising described cooperative effective quantity mixes with at least one preparation technique usual auxiliaries.
The present invention also provides the method for the undesirable plant of a kind of collaborative control, comprise described novel built Herbicidal combinations is applied to undesirable plant growth place or leaf or stem on.Described undesirable plant is grassy weed, broad leaved weed and sedge weed.
The preferred barnyard grass of described undesirable plant, clearvers, white dead nettle, Veronica, piemarker, Armstrong, lamb's-quarters, red heart lamb's-quarters, blank pipe is led a cow, weasel hemp nettle, pale persicaria, willow leaf thorn knotweed, volume stem knotweed, Amaranthus retroflexus, acalypha copperleaf, precious leaf mustard, corn sow thistle, white dead nettle, fruitlet flax, summer cypress, black nightshade, sinapsis alba, Monochoria korsakowii, angustifolia arrowhead herb, arrowhead, short arrowhead, rhizoma alismatis, pondweed, mexicana, alisma canaliculatum, Procumbent Falsepimpernel, miliary fimbristylis herb, flat stalk Fischer grass, needle spikesedge herb, flower Lin, firefly Lin, difformed galingale herb, Herba Cyperi Glomerati, cyperus iria, little najas marina, Tian Yeping, najas marina, water starwort, three calyx waterworts, water chestnut.
The present invention also provides the method for the undesirable plant of a kind of collaborative control, comprises and being used under the seed of useful crop plants plant, useful crop plants or other reproductive part of useful crop plants exist by novel built Herbicidal combinations.Wherein said useful crop plants is paddy rice, wheat, corn.Preferred paddy rice and corn crop.
The present invention compared with prior art has following beneficial effect:
Complex herbicidal composition of the present invention, said composition is by carrying out ternary built by penoxsuam, azoles humulone and bensulfuron-methyl, its herbicidal effect has exceeded the herbicidal effect sum wherein desired by each single dose, and the raising of this herbicide effect effect can make the consumption of each active ingredient significantly reduce.The lasting period of the composition of each weed killer herbicide also can be improved or its speed of action fast.These features provide very significant superiority for user when actual management of weeds.The control that it can make weeds is more cheap, and sooner, saving of labor and holding effect more, also can increase the output of crops thus.Also find further, Herbicidal combinations of the present invention does not produce unacceptable increase to the phytotoxicity of crop.And Herbicidal combinations of the present invention especially has special efficacy, to succession crop safety to the weeds developed immunity to drugs in Long-Time Service sulfonylureas weed killer herbicide area.
Embodiment
The combination of active principles of different agricultural chemicals is made agricultural chemicals, is current development novel pesticide and the one of preventing and treating agriculturally resistant weed effectively and efficiently mode.After the pestsides synthesis of different cultivars, usually show three kinds of type of action: summation action, synergistic effect and antagonism.But be specially which kind of effect, unpredictable, only have and just can be known by great many of experiments.Compound synergic is good formula, owing to significantly improving actual control efficiency, reduces the usage amount of agricultural chemicals, thus has delayed drug-fast generation speed widely, is the important means of integrated control disease.
The invention provides a kind of novel built Herbicidal combinations, comprise
First active component: penoxsuam,
Second active component: azoles humulone,
3rd active component: bensulfuron-methyl,
Inventor is by a large amount of screening tests, the different ratio of penoxsuam, azoles humulone, bensulfuron-methyl test and effectiveness analysis have been carried out a large amount of, find in certain ratio range, the Herbicidal combinations obtained has gain effect, and is not only the simple addition of three kinds of medicaments.
Above-mentioned three kinds of active components ratio range is by weight percentage 0.1 ~ 20:0.1 ~ 20:0.1 ~ 20, preferably 1 ~ 10:1 ~ 10:1 ~ 10, preferably 1 ~ 5:1 ~ 5:1 ~ 5.
The present invention also provides a kind of novel built Herbicidal combinations, and the active compound comprising described cooperative effective quantity mixes with at least one preparation technique usual auxiliaries.
The auxiliary agent used in novel built Herbicidal combinations of the present invention comprises liquid-carrier, solid carrier, dispersant, emulsifier, stabilizing agent, antifreezing agent, thickener etc. and other is of value to the known substance that active ingredient is stablized in the formulation and drug effect plays, all various compositions that are conventional in agricultural chemicals or permission use, be not particularly limited, concrete composition and consumption are determined by simple experiment according to recipe requirements.
The liquid-carrier being applicable to preparation novel built Herbicidal combinations of the present invention comprises aromatic hydrocarbons, aliphatic hydrocarbon.Particularly suitable be polar solvent, as alcohols and their ether and ester.In addition vegetable oil and the molten fiber of methyl is also had.Meanwhile, the mixture of different liquids is also applicable.
The solid carrier being applicable to novel built Herbicidal combinations of the present invention is diatomite, Magnesiumaluminumsilicate, atlapulgite, kaolin, clay, gypsum, bentonite, white carbon, precipitated calcium carbonate, lime stone, wood chip, corn starch, soluble starch etc.
The emulsifier being applicable to preparation novel built Herbicidal combinations of the present invention can be anion and/or non-example type emulsifier, such as alkylphenol polyoxyethylene, alkylphenol-polyethenoxy polyethenoxy ether, Ben-zylphenol Polyoxyethyl Ether, polyoxyethylene fatty acid ester, polyoxyethylene aliphatic alcohol ether, polyoxyethylene fatty amine, alkyl phenol polyglycol ether etc.
The dispersant being applicable to preparation novel built Herbicidal combinations of the present invention can be alkylnaphthalene sulfonate, two (alkyl) naphthalenesulfonate formaldehyde condensation compound, naphthalene sulfonic acid-formaldehyde condensation product, alkylphenol-polyethenoxy based phosphates, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol polyoxyethylene phosphate, alkylphenol polyoxyethylene, castor oil ethylene oxide adduct, oxirane-propylene oxide block copolymer, alkylphenol polyoxyethylene formaldehyde condensation is dirty, octylphenol polyethylene oxyethylene group ether sulfate and methylcellulose.Such as sodium lignin sulfonate, calcium lignosulfonate, methyl naphthalene sulfonate formaldehyde condensate, naphthalene sulfonate formaldehyde condensation dirt, methanonaphthalene sodium sulfonate etc.
Other additive, can enumerate when preparation usually with the carboxymethyl cellulose that auxiliary agent form uses, ethylene glycol and propane diols etc.
Novel built Herbicidal combinations in the present invention can also contain colouring agent, such as inorganic pigment iron oxide, titanium oxide or Prussian blue; Organic dyestuff alizarin, azo dyes, metal phthalocyanine orchid or kiton colors etc.
Any conventional form can use composition of the present invention.The blade face Exemplary dosage forms of premix composition is:
GR: granule
WP: wetting powder
WG: water dispersibles granula
SG: soluble granule
SL: soluble concentrate
EC: missible oil
EW: emulsion, aqueous emulsion
ME: microemulsion
SC: suspending agent
CS: microcapsule suspending agent
OD: oil-based suspension
SE: suspension emulsion
The preferred formulation of the present invention can be liquor, wetting powder, missible oil, suspending agent, oil-suspending agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, ZC, ultra low volume liquids.
For water dispersible granules, those skilled in the art are familiar with the corresponding auxiliary agent of use and complete the present invention very much.Dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, alkylphenol polyoxyethylene, EO/PO block polyether; Wetting agent is selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate, sodium lignin sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene; Disintegrant is selected from ammonium sulfate, sodium sulphate, sodium chloride, ammonium chloride, urea, sucrose, glucose, carboxymethyl cellulose, soluble starch, polyvinylpyrrolidone; Binding agent is selected from polyvinyl alcohol, soluble starch, dextrin, xanthans, carboxymethyl (ethyl) cellulose family; Filler is selected from diatomite, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, potter's clay.
To wetting powder, spendable auxiliary agent has: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate; Wetting agent is selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate; Filler is selected from ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, potter's clay.
To suspending agent, spendable auxiliary agent has: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, TERSPERSE 2425 (Huntsman Corporation of the U.S. produces, alkyl naphthalene sulfonic acid salt); Emulsifier is selected from Nongru-700 # (common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60# (common name: sorbitan monostearate), emulsifier T-60 (common name: sorbitan monostearate APEO), agriculture breast 1601# (common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), TERSPERSE 4894 (Huntsman Corporation of U.S. product); Wetting agent is selected from alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE2500 (Huntsman Corporation of U.S. product); Thickener is selected from xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate; Preservative is selected from formaldehyde, benzoic acid, Sodium Benzoate; Defoamer is silicone based defoamer; Antifreezing agent is selected from ethylene glycol, propane diols, glycerine, urea, inorganic salts (as sodium chloride).
To dispersibling oil-suspending agent, spendable auxiliary agent has: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), TERSPERSE 2425, emulsifier is selected from the serial emulsifier (BY-110 of BY (castor oil polyoxyethylene ether), BY-125, BY-140) Nongru-700 # (common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60# (common name: sorbitan monostearate), Tween-60 # (common name: sorbitan monostearate APEO), agriculture breast 1601# (common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), TERSPERSE4894, wetting agent is selected from alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500, thickener is selected from white carbon, polyvinyl alcohol, bentonite, aluminium-magnesium silicate, antifreezing agent is selected from ethylene glycol, propane diols, glycerine, urea, inorganic salts (as sodium chloride), stabilizing agent is selected from epoxidized soybean oil, epoxychloropropane, triphenyl phosphate, dispersion medium is selected from soybean oil, rapeseed oil, corn oil, methyl oleate, diesel oil, machine oil, mineral oil.
The Exemplary dosage forms being applicable to bucket mixing composition is solution, dilution emulsion, suspending agent or its mixing and pulvis.
Usually, bucket mixing composition be with solvent (as water) dilution containing different agricultural chemicals, and one or more premix compositions of optionally auxiliary agent further.
Generally, blade face bucket mixture comprises 0.1-20%, the particularly reactive compound of 0.1-15%, and 99.9%-80%, the particularly solid-state or liquid flux (comprising ratio of solvent as water) of 99.9-85%, wherein auxiliary agent can be based on bucket mixture, the surfactant of content 0-20%, particularly 0.1-15%.
The pre-mixing agent of usual foliage applying comprises 0.1-99.9%, the particularly active compound component of 1-95%, and 99.9-0.1%, the particularly solid-state or liquid flux (comprising if ratio of solvent is as water) of 99-5%, wherein auxiliary agent can be based on pre-mixing agent, the surfactant of content 0-50%, particularly 0.5-40%.
Composition through preparation of the present invention comprises 0.5-99.9%, particularly 1-95%, the advantageously active compound component of 1-50%, and 99.5-0.1%, the particularly solid of 99-5% quality or liquid adjuvants (comprising if solvent is as water), wherein said auxiliary agent (or assistant agent) can be the surfactant of 0-50%, particularly 0.5-40% based on pre-mixing agent quality.
The present invention also provides the method for the undesirable plant of a kind of collaborative control, comprise described novel built Herbicidal combinations is applied to undesirable plant growth place or leaf or stem on.Described undesirable plant is grassy weed, broad leaved weed and sedge weed.Preferred barnyard grass, clearvers, white dead nettle, Veronica, piemarker, Armstrong, lamb's-quarters, red heart lamb's-quarters, blank pipe is led a cow, weasel hemp nettle, pale persicaria, willow leaf thorn knotweed, volume stem knotweed, Amaranthus retroflexus, acalypha copperleaf, precious leaf mustard, corn sow thistle, white dead nettle, fruitlet flax, summer cypress, black nightshade, sinapsis alba, Monochoria korsakowii, angustifolia arrowhead herb, arrowhead, short arrowhead, rhizoma alismatis, pondweed, mexicana, alisma canaliculatum, Procumbent Falsepimpernel, miliary fimbristylis herb, flat stalk Fischer grass, needle spikesedge herb, flower Lin, firefly Lin, difformed galingale herb, Herba Cyperi Glomerati, cyperus iria, little najas marina, Tian Yeping, najas marina, water starwort, three calyx waterworts, water chestnut etc.
The present invention also provides the method for the undesirable plant of a kind of collaborative control, comprises and being used under the seed of useful crop plants plant, useful crop plants or other reproductive part of useful crop plants exist by novel built Herbicidal combinations.Wherein said useful crop plants is corn, paddy rice, wheat.Preferred paddy rice and corn crop.
According to formulation properties, application process can be selected from according to expection object and popular environment, as blade face, soak into, spray, dust, scattering selects.
The cooperative effective quantity being applicable to the combination of composition of the present invention can according to condition at that time as changes such as the kinds of weed pressure, time of application, method of application, weather, soil regime, features of terrain, target crop.In practicing, enough provide about 0.10kg/ha-1.00kg/ha, preferably the rate of application of the active component of about 0.25 kg/ha-0.75 kg/ha is suitable.
The inventive method most preferably maybe will be used for the weeds in the region of long-term cropping for preventing and treating plant growth district.When for plant growth district, amount of application should be enough to control weed growth but can not produce serious permanent injury to crop.
Herbicidal combinations of the present invention can also can at postemergence application at preemergence application, and preferred postemergence application, particularly weed growth is early stage.Also be one of feature of the inventive method with Herbicidal combinations early time treatment before planting (particularly soil surface is used).
Herbicidal combinations of the present invention is applied to soil surface before emerging, it or stop weeds to emerge completely, or to stop growing when weeds seedling grows to leaf period, then death completely after 3 to 4 weeks.
Herbicidal combinations is applied to the green portion of plant after emerging, stops growing very soon after administration process.The plant of weeds rests on the vegetative stage or dead rapidly through after a period of time of medication process, and those new compositions crops to weeds the application of the invention of Competition can be made in this way to be removed as early as possible or for good and all.
Although Herbicidal combinations of the present invention has excellent activity of weeding for unifacial leaf and broadleaf weed, very little or be safe from harm completely to the harm of paddy rice.For these reasons, so Herbicidal combinations of the present invention is particularly suitable for preventing and kill off undesirable plant in paddy field.
From the following embodiments can be seen that, herbicide composition of the present invention shows good activity of weeding, and the activity of weeding of single reactive compound or binary activity of weeding more weak, the activity of combination of the present invention exceed simply adding of each single compound activity and binary combination activity and.
When the activity of weeding of active compound exceedes active sum when each reactive compound is used alone, then always there is synergy.
example of formulations
realexecute routine 1:1% penoxsuam+5% azoles humulone+10% bensulfuron-methyl oil-suspending agent
Penoxsuam 1%
Azoles humulone 5%
Bensulfuron-methyl 10%
Methyl naphthalene sulfonate formaldehyde condensate 10%
Bentonite 1%
Glycerine 5%
Corn oil complements to 100%
Active component, dispersant, wetting agent and each component of the corn wet goods ratio according to formula is mixed, after grinding and/or high speed shear, obtains 1% penoxsuam+5% azoles humulone+10% bensulfuron-methyl oil-suspending agent.
Embodiment 2 0.1% penoxsuam+10% azoles humulone+10% bensulfuron-methyl wetting powder
Penoxsuam 0.1%
Azoles humulone 10%
Bensulfuron-methyl 10%
Lauryl sodium sulfate 10%
Sodium lignin sulfonate 5%
Sucrose complements to 100%
By the proportional components mixing by formula such as active component, various auxiliary agent and filler, after ultra-fine pulverizer disintegrating, namely obtain 0.1% penoxsuam+10% azoles humulone+10% bensulfuron-methyl wetting powder.
Embodiment 3 1% penoxsuam+5% azoles humulone+20% bensulfuron-methyl wetting powder
Penoxsuam 1%
Azoles humulone 5%
Bensulfuron-methyl 20%
Calcium dodecyl benzene sulfonate 1%
Sodium lignin sulfonate 2%
White carbon complements to 100%
By the proportional components mixing by formula such as active component, various auxiliary agent and filler, after ultra-fine pulverizer disintegrating, namely obtain 0.1% penoxsuam+5% azoles humulone+20% bensulfuron-methyl Wettable Powder.
Embodiment 4 0.1% penoxsuam+1% azoles humulone+3% bensulfuron-methyl water-soluble granule
Penoxsuam 0.1%
Azoles humulone 1%
Bensulfuron-methyl 3%
Sodium lignin sulfonate 4%
Lauryl sodium sulfate 5%
Urea 5%
Sucrose complements to 100%
Active component, dispersant, wetting agent, disintegrant and the filler ratio in formula is mixed, becomes wetting powder through air-flow crushing, then add a certain amount of water mixing extruding and make material.0.1% penoxsuam+1% azoles humulone+3% bensulfuron-methyl water-soluble granule is obtained after drying screening.
Embodiment 5 1% penoxsuam+10% azoles humulone+10% bensulfuron-methyl ultra low volume liquids
Penoxsuam 1%
Azoles humulone 10%
Bensulfuron-methyl 10%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
Dimethyl sulfoxide (DMSO) complements to 100%
Mentioned component is proportionally prepared, stirs and obtain homogeneous phase.
Embodiment 6 10% penoxsuam+5% azoles humulone+20% bensulfuron-methyl suspension emulsion
Penoxsuam 10%
Azoles humulone 5%
Bensulfuron-methyl 20%
Methyl naphthalene sulfonate formaldehyde condensate 5%
Ethoxylated castor oil 3%
Bentonite 1%
Aromatic solvent 100 20%
Soybean oil complements to 100%
Penoxsuam, bensulfuron-methyl, methyl naphthalene sulfonate formaldehyde condensate are obtained after grinding and/or high speed shear the suspending agent of penoxsuam and bensulfuron-methyl; Azoles humulone, aromatic solvent 100, ethoxylated castor oil mixing and stirring are obtained the missible oil of azoles humulone; The azoles humulone missible oil obtained is joined in the oil-suspending agent of penoxsuam+bensulfuron-methyl, obtains 10% penoxsuam+5% azoles humulone+20% bensulfuron-methyl suspension emulsion.
Embodiment 7 20% penoxsuam+2% azoles humulone+0.1% bensulfuron-methyl wetting powder
Penoxsuam 20%
Azoles humulone 2%
Bensulfuron-methyl 0.1%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
Said components is mixed in proportion, and grinds, pulverize, be prepared into wetting powder.
Embodiment 8 5% penoxsuam+0.1% azoles humulone+20% bensulfuron-methyl water dispersible granules
Penoxsuam 5%
Azoles humulone 0.1%
Bensulfuron-methyl 20%
MODIFIED LIGNOSULPHONATE 5%
Lauryl sodium sulfate 5%
Urea 5%
Kaolin complements to 100%
Penoxsuam, azoles humulone active component, dispersant, wetting agent, disintegrant and the filler ratio in formula is mixed, becomes wetting powder through air-flow crushing; Add bensulfuron-methyl again to mix; Add a certain amount of water mixing extruding again and make material.5% penoxsuam+0.1% azoles humulone+20% bensulfuron-methyl water dispersible granules is obtained after drying screening.
Embodiment 9 0.1% penoxsuam+2% azoles humulone+2% bensulfuron-methyl aqueous emulsion
Oil phase:
Penoxsuam 0.1%
Azoles humulone 2%
Methyl oleate 10%
Ethoxylated castor oil 5%
Aqueous phase:
Bensulfuron-methyl 2%
The sodium salt 1% of the naphthalene sulfonic acids-formaldehyde condensation products of sulfonation
Water complements to 100%
Azoles humulone and bensulfuron-methyl are dissolved in methyl oleate, add ethoxylated castor oil and obtain oil phase; According to the sodium salt of formula by the naphthalene sulfonic acids-formaldehyde condensation products of penoxsuam and sulfonation, water, mix and obtain aqueous phase; Under agitation oil phase is added aqueous phase and obtain aqueous emulsion.
Embodiment 10 15% penoxsuam+5% azoles humulone+5% bensulfuron-methyl wetting powder
Penoxsuam 15%
Azoles humulone 5%
Bensulfuron-methyl 5%
Sodium lignin sulfonate 1%
NaLS 2%
The silicic acid 1% of high degree of dispersion
Kaolin complements to 100%
Said components is mixed in proportion, and grinds, pulverize, be prepared into wetting powder.
Embodiment 11 0.1% penoxsuam+0.1% azoles humulone+0.1% bensulfuron-methyl coated granule
Penoxsuam 0.1%
Azoles humulone 0.1%
Bensulfuron-methyl 0.1%
Polyethylene glycol 3%
The silicic acid 1% of high degree of dispersion
Calcium carbonate complements to 100%
In a mixer, by levigate active component even spread on the carrier soaked by polyethylene glycol.Dust-free coated granules agent can be obtained in this way.
Embodiment 12 20% penoxsuam+20% azoles humulone+10% bensulfuron-methyl wetting powder
Penoxsuam 20%
Azoles humulone 20%
Bensulfuron-methyl 10%
Lauryl sodium sulfate 1%
Sodium lignin sulfonate 1%
Kaolin complements to 100%
Said components is mixed in proportion, and grinds, pulverize, be prepared into wetting powder.
Embodiment 13 10% penoxsuam+1% azoles humulone+10% bensulfuron-methyl extrudes granule
Penoxsuam 10%
Azoles humulone 1%
Bensulfuron-methyl 10%
Sodium lignin sulfonate 4%
Carboxymethyl cellulose 2%
Kaolin complements to 100%
Active component is mixed with auxiliary agent and grinds, mixture water-wet.This mixture is extruded, then dry in the air stream.
Embodiment 14 1% penoxsuam+20% azoles humulone+1% bensulfuron-methyl aqueous emulsion
Penoxsuam 1%
Azoles humulone 20%
Bensulfuron-methyl 1%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Methyl oleate 5%
Water complements to 100%
Bensulfuron-methyl, azoles humulone are dissolved in methyl oleate, add ethoxylated castor oil and obtain oil phase; According to the sodium salt of formula by the naphthalene sulfonic acids-formaldehyde condensation products of penoxsuam and sulfonation, water, mix and obtain aqueous phase; Under agitation oil phase is added aqueous phase and obtain aqueous emulsion.
Embodiment 15 3% penoxsuam+10% azoles humulone+5% bensulfuron-methyl ZC
Atlox 4913 4%
Citric acid 0.05%
Catalyzer 0.1%
Water 13%
Bensulfuron-methyl 5%
PAPI 1.35%
Solvesso 200 10%
Atlox4913 16%
Dispersant LFH 0.3%
Defoamer 0.16%
Urea 8.4%
Penoxsuam 3%
Azoles humulone 10%
Water complements to 100%
By PAPI, the oil phase that azoles humulone, Solvesso 100 are formed adds in the aqueous solution containing Atlox4913, forms emulsion.Then heat and be incubated 50
ocatalyst reaction is added 2 hours under C.The microcapsules of azoles humulone is obtained after cooling.
Atlox 4913, dispersant LFH, defoamer, urea, penoxsuam+bensulfuron-methyl and water mix in proportion, and through sand milling, are prepared into suspending agent.
The microcapsules of the azoles humulone obtained is added in the suspending agent of penoxsuam+bensulfuron-methyl, stirs and obtain 3% penoxsuam+10% azoles humulone+5% bensulfuron-methyl ZC.
Embodiment 16 5% penoxsuam+15% azoles humulone+15% bensulfuron-methyl suspended emulsion
Penoxsuam 5%
Azoles humulone 15%
Bensulfuron-methyl 15%
Solvesso 200 10%
Ethoxylated castor oil 4%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 5%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
Azoles humulone is dissolved in Solvesso 200, adds ethoxylated castor oil, obtain the missible oil of azoles humulone;
By penoxsuam+bensulfuron-methyl, 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 azoles humulone is joined containing in penoxsuam+bensulfuron-methyl suspending agent, obtains suspended emulsion.
Embodiment 17 5% penoxsuam+5% azoles humulone+20% bensulfuron-methyl missible oil
Penoxsuam 5%
Azoles humulone 5%
Bensulfuron-methyl 20%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
Solvesso100 complements to 100%
By above-mentioned each component mixing, be stirred to and obtain transparent homogeneous phase.
Embodiment 19 30% penoxsuam+30% azoles humulone+40% bensulfuron-methyl
Penoxsuam 30%
Azoles humulone 30%
Bensulfuron-methyl 40%
Penoxsuam, azoles humulone, bensulfuron-methyl are proportionally mixed.
biological test example
When the effect of active compound combinations exceedes the summation of the effect when each reactive compound is used separately, there is synergistic function.The predictive role of the particular combination of two kinds of reactive compounds can use so-called " Colby formula " (see S.R. Colby, " Calculating Synergistic and Antagonistic Responses of Herbicide Combinations ", Weeds 1967,15,20-22) calculate as follows: if
A is the activity when using the reactive compound A that consumption is mppm for mg/ha or concentration;
B is the activity when using the reactive compound B that consumption is nppm for ng/ha or concentration, is expressed as the percentage accounting for untreated control;
C is the activity when using the reactive compound C that consumption is hppm for hg/ha or concentration, is expressed as the percentage accounting for untreated control;
E is when use consumption for m, n, h g/ha or concentration are the reactive compound A of m, n, hppm, and expection activity during C,
E=A×B×C/ 100(N-1)
N is 3;
If the activity of actual observation (O) is greater than expection active (E), so said composition super add and, namely there is synergistic effect.
In order to better explain invention main points of the present invention, provide several preferably embodiment below.
Inventor is by a large amount of screening tests, the different ratio of penoxsuam, azoles humulone and bensulfuron-methyl test and effectiveness analysis have been carried out a large amount of, find in certain ratio range, the Herbicidal combinations obtained has gain effect, and be not only the simple addition of three kinds of medicaments, be specifically illustrated with following biologicall test example.
1. herbicidal effect before bud
The seed of unifacial leaf and broadleaf weed or stem tuber are placed in the plastic basin of dauk, cover with soil above.The seed of weeds in paddy field is being cultivated with in water saturated soil, adds water to the depth of water and cross soil surface or exceed soil surface number centimeter in cultivation in basin.Active ingredient of the present invention is carried out spraying process or being joined in irrigation water by medicament when there being rice plant to potted plant topsoil according to proportioning and rate of application.
After process, basin is placed among greenhouse, maintains the condition being conducive to weed growth.The non-dispenser control group of 3 to 4 Zhou Houyu is compared, the plant victimization state after germinateing with visually rank method evaluation test plant or germinateing.Result of the test confirms that Herbicidal combinations of the present invention has herbicidal effect before good wide spectrum bud for broad-leaved section and grassy weed.
Its herbicidal effect of active ingredient composition of the present invention is used alone desired effect (calculated value according to Colby formula) higher than wherein each single component.So Herbicidal combinations of the present invention is synergy.
Control to grassy weed:
Control to broad-leaved section weeds:
2. herbicidal effect after bud
The seed of unifacial leaf and broadleaf weed or stem tuber are placed in the plastic basin of dauk, topped and cultivate under being placed on the greenhouse experiment being conducive to growing with soil.The potted plant cultivation of weeds in paddy field, the water surface in nurturing period basin maintains 2 centimeters, more than soil layer surface.The medication process when test plant grew to for 3 leaf phase in after planting 3 weeks.Test plant in greenhouse under the best growing condition the contrast of the non-medication process of 3-4 Zhou Houyu compare, evaluate the herbicidal effect of each proportioning with visual method.Medicament of the present invention uses as post-emergence herbicide, has good broad-spectrum weed-killing effect for the broad-leaved and grassy weed with Important Economic meaning.According to the interpretation of result of Colby formulae discovery, combinations of herbicides of the present invention has synergistic effect.
To the control of grassy weed
To the control of broad-leaved section weeds
。
Claims (9)
1. a complex herbicidal composition, is characterized in that: comprise
First active component: penoxsuam,
Second active component: azoles humulone,
3rd active component: bensulfuron-methyl,
Above-mentioned three kinds of active components ratio range is by weight percentage 1:1:1.
2. complex herbicidal composition according to claim 1, it is characterized in that: described complex herbicidal composition can be mixed with any formulation agriculturally allowed, described formulation is wetting powder, missible oil, suspending agent, oil-suspending agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, ultra low volume liquids.
3. a complex herbicidal composition, is characterized in that: the active compound comprising the cooperative effective quantity in claim 1 mixes with at least one preparation technique usual auxiliaries.
4. a method for the undesirable plant of collaborative control, is characterized in that: comprise the complex herbicidal composition of claim 1 is applied to undesirable plant growth place or leaf or stem on.
5. method according to claim 4, is characterized in that: described undesirable plant is grassy weed, broad leaved weed and sedge weed.
6. method according to claim 4, it is characterized in that: described undesirable plant has convexutricle sedge herb, clearvers, white dead nettle, Veronica, piemarker, Armstrong, lamb's-quarters, red heart lamb's-quarters, blank pipe is led a cow, weasel hemp nettle, pale persicaria, willow leaf thorn knotweed, volume stem knotweed, Amaranthus retroflexus, acalypha copperleaf, precious leaf mustard, corn sow thistle, fruitlet flax, summer cypress, black nightshade, sinapsis alba, Monochoria korsakowii, angustifolia arrowhead herb, arrowhead, short arrowhead, rhizoma alismatis, pondweed, mexicana, alisma canaliculatum, Procumbent Falsepimpernel, miliary fimbristylis herb, flat stalk Fischer grass, needle spikesedge herb, flower Lin, firefly Lin, difformed galingale herb, Herba Cyperi Glomerati, cyperus iria, little najas marina, Tian Yeping, najas marina, water starwort, three calyx waterworts.
7. method according to claim 4, is characterized in that: comprise and the complex herbicidal composition of claim 1 being used under the seed of useful crop plants plant, useful crop plants or other reproductive part of useful crop plants exist.
8. method according to claim 7, is characterized in that: described useful crop plants is cereal.
9. method according to claim 7, is characterized in that: described useful crop plants is paddy rice, corn, wheat.
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